{"id":9471,"date":"2023-07-06T02:50:05","date_gmt":"2023-07-06T02:50:05","guid":{"rendered":"https:\/\/china-maching.com\/?p=9471"},"modified":"2023-08-29T01:57:37","modified_gmt":"2023-08-29T01:57:37","slug":"what-is-annealing","status":"publish","type":"post","link":"https:\/\/china-maching.com\/cs\/co-je-zihani\/","title":{"rendered":"Co je \u017e\u00edh\u00e1n\u00ed?"},"content":{"rendered":"<h2>Jak\u00fd je proces \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-9480\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6.png\" alt=\"Jak\u00fd je proces \u017e\u00edh\u00e1n\u00ed?\" width=\"512\" height=\"512\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6-12x12.png 12w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-6-200x200.png 200w\" sizes=\"(max-width: 512px) 100vw, 512px\"><\/p>\n<p><strong>\u017d\u00edh\u00e1n\u00ed <\/strong>je metalurgick\u00fd proces, kter\u00fd zahrnuje zah\u0159\u00e1t\u00ed materi\u00e1lu na ur\u010ditou teplotu a n\u00e1sledn\u00e9 pomal\u00e9 ochlazov\u00e1n\u00ed pro zlep\u0161en\u00ed jeho mechanick\u00fdch vlastnost\u00ed. \u00da\u010delem \u017e\u00edh\u00e1n\u00ed je u\u010dinit l\u00e1tku m\u011bk\u010d\u00ed, poddajn\u011bj\u0161\u00ed a m\u00e9n\u011b k\u0159ehkou. Toho je dosa\u017eeno sn\u00ed\u017een\u00edm vnit\u0159n\u00edho pnut\u00ed a zlep\u0161en\u00edm mikrostruktury materi\u00e1lu.<\/p>\n<h3>Jak prob\u00edh\u00e1 proces \u017e\u00edh\u00e1n\u00ed?<\/h3>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Co je \u017e\u00edh\u00e1n\u00ed | Typy procesu \u017e\u00edh\u00e1n\u00ed | \u00da\u010del a v\u00fdhody \u017e\u00edh\u00e1n\u00ed\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/GnCaCXNTNgw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>B\u011bhem procesu \u017e\u00edh\u00e1n\u00ed se materi\u00e1l zah\u0159eje na ur\u010ditou teplotu v z\u00e1vislosti na materi\u00e1lu, kter\u00fd se \u017e\u00edh\u00e1. Tato teplota je pak udr\u017eov\u00e1na dostate\u010dn\u011b dlouho, aby se zajistila transformace mikrostruktury materi\u00e1lu a uvoln\u011bn\u00ed v\u0161ech vnit\u0159n\u00edch pnut\u00ed. Pot\u00e9 se materi\u00e1l pomalu ochlad\u00ed, aby si zachoval svou novou mikrostrukturu.<\/p>\n<h3>Jak\u00e9 jsou v\u00fdhody \u017e\u00edh\u00e1n\u00ed?<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed m\u00e1 v metalurgii n\u011bkolik v\u00fdhod. D\u00edky tomu je materi\u00e1l tv\u00e1rn\u011bj\u0161\u00ed a l\u00e9pe se s n\u00edm pracuje, sni\u017euje vnit\u0159n\u00ed pnut\u00ed a zvy\u0161uje jeho pru\u017enost. Zlep\u0161uje tak\u00e9 odolnost proti prask\u00e1n\u00ed a tvrdost a pevnost materi\u00e1lu. Krom\u011b toho m\u016f\u017ee \u017e\u00edh\u00e1n\u00ed zlep\u0161it elektrickou a tepelnou vodivost materi\u00e1lu a jeho <a class=\"wpil_keyword_link\" href=\"https:\/\/china-maching.com\/cs\/konecny-pruvodce-odolnosti-proti-korozi\/\" target=\"_blank\" rel=\"noopener\" title=\"odolnost proti korozi\" data-wpil-keyword-link=\"linked\">odolnost proti korozi<\/a>.<\/p>\n<h3>Typy \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>Existuje n\u011bkolik typ\u016f \u017e\u00edh\u00e1n\u00ed, z nich\u017e ka\u017ed\u00fd m\u00e1 sv\u016fj specifick\u00fd \u00fa\u010del a proces. Jedn\u00edm z b\u011b\u017en\u00fdch typ\u016f je \u00fapln\u00e9 \u017e\u00edh\u00e1n\u00ed, kter\u00e9 zahrnuje zah\u0159\u00e1t\u00ed materi\u00e1lu na teplotu nad kritick\u00fdm bodem a n\u00e1sledn\u00e9 pomal\u00e9 ochlazen\u00ed v peci. To se pou\u017e\u00edv\u00e1 ke sn\u00ed\u017een\u00ed vnit\u0159n\u00edho stresu a zlep\u0161en\u00ed flexibility. Dal\u0161\u00edm typem je odleh\u010dovac\u00ed \u017e\u00edh\u00e1n\u00ed, kter\u00e9 sni\u017euje vnit\u0159n\u00ed tlak v materi\u00e1lu, ani\u017e by se zm\u011bnila jeho mikrostruktura. Jin\u00e9 typy \u017e\u00edh\u00e1n\u00ed zahrnuj\u00ed normaliza\u010dn\u00ed, sf\u00e9roidiza\u010dn\u00ed a rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed.<\/p>\n<h3>Teplota materi\u00e1lu b\u011bhem \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>B\u011bhem \u017e\u00edh\u00e1n\u00ed se teplota materi\u00e1lu typicky udr\u017euje mezi 500 \u00b0C a\u017e 900 \u00b0C, v z\u00e1vislosti na typu materi\u00e1lu a po\u017eadovan\u00e9m v\u00fdsledku. Tyto teploty jsou \u010dasto t\u011bsn\u011b pod nebo t\u011bsn\u011b nad kritickou teplotou materi\u00e1lu, co\u017e je teplota, nad kterou se struktura materi\u00e1lu dramaticky m\u011bn\u00ed. Teplota a doba oh\u0159evu materi\u00e1lu jsou z\u00e1sadn\u00ed pro dosa\u017een\u00ed po\u017eadovan\u00e9ho v\u00fdsledku. Spr\u00e1vn\u00e1 regulace teploty b\u011bhem \u017e\u00edh\u00e1n\u00ed je z\u00e1sadn\u00ed pro dosa\u017een\u00ed konzistentn\u00edch v\u00fdsledk\u016f a zaji\u0161t\u011bn\u00ed kvality materi\u00e1lu, kter\u00e1 nen\u00ed ohro\u017eena.<\/p>\n<h2>Pro\u010d se pou\u017e\u00edv\u00e1 \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<figure id=\"attachment_9481\" aria-describedby=\"caption-attachment-9481\" style=\"width: 801px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-9481\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7.png\" alt=\"Rovnov\u00e1\u017en\u00fd diagram \u017eelezo-uhl\u00edk zobrazuj\u00edc\u00ed teplotn\u00ed rozsah pro pln\u00fd rozsah\" width=\"801\" height=\"652\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7.png 801w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7-300x244.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7-768x625.png 768w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7-15x12.png 15w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-7-246x200.png 246w\" sizes=\"(max-width: 801px) 100vw, 801px\"><figcaption id=\"caption-attachment-9481\" class=\"wp-caption-text\"><strong>Rovnov\u00e1\u017en\u00fd diagram \u017eelezo-uhl\u00edk zobrazuj\u00edc\u00ed teplotn\u00ed rozsah pro pln\u00fd rozsah<\/strong><\/figcaption><\/figure>\n<p>\u017d\u00edh\u00e1n\u00ed je proces tepeln\u00e9ho zpracov\u00e1n\u00ed b\u011b\u017en\u011b pou\u017e\u00edvan\u00fd v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch ke zlep\u0161en\u00ed mechanick\u00fdch vlastnost\u00ed materi\u00e1l\u016f, jako jsou kovy, sklo a keramika. Tento proces zahrnuje zah\u0159\u00e1t\u00ed materi\u00e1lu na ur\u010ditou teplotu, jeho udr\u017een\u00ed na t\u00e9to teplot\u011b po ur\u010dit\u00e9 mno\u017estv\u00ed a n\u00e1sledn\u00e9 pomal\u00e9 ochlazen\u00ed. \u017d\u00edh\u00e1n\u00ed sni\u017euje tvrdost materi\u00e1lu, zvy\u0161uje pru\u017enost a zlep\u0161uje zpracovatelnost a tvarovatelnost.<\/p>\n<h3>Kdy je \u017e\u00edh\u00e1n\u00ed nutn\u00e9?<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-9482\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4.png\" alt=\"Kdy je \u017e\u00edh\u00e1n\u00ed nutn\u00e9?\" width=\"512\" height=\"512\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4-12x12.png 12w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/3-4-200x200.png 200w\" sizes=\"(max-width: 512px) 100vw, 512px\"><\/p>\n<h3>Jak \u017e\u00edh\u00e1n\u00ed sni\u017euje tvrdost materi\u00e1lu?<\/h3>\n<p>Proces \u017e\u00edh\u00e1n\u00ed sni\u017euje tvrdost materi\u00e1lu sn\u00ed\u017een\u00edm vnit\u0159n\u00edch pnut\u00ed zp\u016fsoben\u00fdch rozd\u00edly v rozlo\u017een\u00ed teplot b\u011bhem odl\u00e9v\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed nebo deformace. Kdy\u017e se materi\u00e1l zah\u0159eje, jeho atomy se mohou pohybovat voln\u011bji a jeho vnit\u0159n\u00ed pnut\u00ed se uvoln\u00ed. Mikrostruktura materi\u00e1lu je zu\u0161lecht\u011bna, aby se sn\u00ed\u017eila tvrdost a zv\u00fd\u0161ila flexibilita \u0159\u00edzen\u00edm procesu oh\u0159evu a chlazen\u00ed.<\/p>\n<h3>Jak \u017e\u00edh\u00e1n\u00ed zvy\u0161uje ta\u017enost materi\u00e1lu?<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed zvy\u0161uje pru\u017enost materi\u00e1lu sn\u00ed\u017een\u00edm po\u010dtu dislokac\u00ed nebo defekt\u016f, kter\u00e9 se mohly vytvo\u0159it b\u011bhem odl\u00e9v\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed nebo deformace. Mikrostruktura materi\u00e1lu je p\u0159eskupena t\u00edm, \u017ee se atomy mohou voln\u011b pohybovat a jeho defekty jsou odstran\u011bny. V\u00fdsledkem je jednotn\u011bj\u0161\u00ed struktura zrna, kter\u00e1 zlep\u0161uje schopnost materi\u00e1lu protahovat se bez l\u00e1m\u00e1n\u00ed nebo l\u00e1m\u00e1n\u00ed.<\/p>\n<h3>Co se d\u011bje b\u011bhem \u017e\u00edh\u00e1n\u00ed?<\/h3>\n<p>B\u011bhem \u017e\u00edh\u00e1n\u00ed se materi\u00e1l zah\u0159eje na ur\u010ditou teplotu, udr\u017euje se na t\u00e9to teplot\u011b po ur\u010ditou dobu a pot\u00e9 se pomalu ochlad\u00ed. Proces oh\u0159evu a chlazen\u00ed se obvykle prov\u00e1d\u00ed v kontrolovan\u00e9m prost\u0159ed\u00ed, aby se zabr\u00e1nilo oxidaci materi\u00e1lu nebo reakci s jin\u00fdmi prvky. P\u0159esn\u00e1 teplota, \u010das a rychlost chlazen\u00ed z\u00e1vis\u00ed na typu materi\u00e1lu a po\u017eadovan\u00fdch vlastnostech. Jak se materi\u00e1l zah\u0159\u00edv\u00e1, jeho vnit\u0159n\u00ed pnut\u00ed se uvol\u0148uj\u00ed a jeho mikrostruktura se zjem\u0148uje. Proces chlazen\u00ed ur\u010duje kone\u010dnou strukturu a mechanick\u00e9 vlastnosti materi\u00e1lu.<\/p>\n<h3>Jak\u00e9 jsou \u00fa\u010dinky \u017e\u00edh\u00e1n\u00ed?<\/h3>\n<p>\u00da\u010dinky \u017e\u00edh\u00e1n\u00ed z\u00e1vis\u00ed na typu zpracov\u00e1van\u00e9ho materi\u00e1lu. U kov\u016f \u017e\u00edh\u00e1n\u00ed sni\u017euje tvrdost, zvy\u0161uje pru\u017enost, zjem\u0148uje strukturu zrna a usnad\u0148uje obr\u00e1b\u011bn\u00ed a tvarov\u00e1n\u00ed materi\u00e1lu. U skla \u017e\u00edh\u00e1n\u00ed sni\u017euje vnit\u0159n\u00ed pnut\u00ed, zlep\u0161uje pr\u016fhlednost a zvy\u0161uje odolnost proti tepeln\u00fdm \u0161ok\u016fm. U keramiky \u017e\u00edh\u00e1n\u00ed sni\u017euje vnit\u0159n\u00ed pnut\u00ed, zvy\u0161uje pru\u017enost, zlep\u0161uje odolnost proti tepeln\u00fdm \u0161ok\u016fm a sni\u017euje k\u0159ehkost. \u017d\u00edh\u00e1n\u00ed v\u0161ak m\u016f\u017ee m\u00edt tak\u00e9 omezen\u00ed, jako jsou vy\u0161\u0161\u00ed n\u00e1klady na materi\u00e1l, del\u0161\u00ed doba zpracov\u00e1n\u00ed a potenci\u00e1ln\u00ed povrchov\u00e9 vady. Je nezbytn\u00e9 dos\u00e1hnout rovnov\u00e1hy mezi po\u017eadovan\u00fdmi vlastnostmi materi\u00e1lu a praktick\u00fdmi omezen\u00edmi procesu \u017e\u00edh\u00e1n\u00ed.<\/p>\n<h2>Jak\u00e9 jsou \u00fa\u010dinky \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<div class=\"internal-linking-related-contents-pro\"><a href=\"https:\/\/china-maching.com\/cs\/komplexni-pruvodce-kreslenim-cad-pro-cnc-stroj\/\" class=\"template-9\"><img width=\"200\" height=\"200\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/1-8.png\" class=\"alignleft wp-post-image\" alt=\"Komplexn\u00ed pr\u016fvodce CAD v\u00fdkresem pro CNC stroj\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/1-8.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/1-8-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/1-8-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/1-8-100x100.png 100w\" sizes=\"(max-width: 200px) 100vw, 200px\"><div class=\"postTitle\"><span><strong>Pokra\u010dovat ve \u010dten\u00ed<\/strong>Komplexn\u00ed pr\u016fvodce CAD v\u00fdkresem pro CNC stroj<\/span><\/div><\/a><\/div><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9483\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7.png\" alt=\"Jak\u00e9 jsou \u00fa\u010dinky \u017e\u00edh\u00e1n\u00ed?\" width=\"512\" height=\"512\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7-12x12.png 12w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/4-7-200x200.png 200w\" sizes=\"(max-width: 512px) 100vw, 512px\"><\/p>\n<h3>Vliv \u017e\u00edh\u00e1n\u00ed na mechanick\u00e9 vlastnosti materi\u00e1lu<\/h3>\n<p>Mechanick\u00e9 vlastnosti, jako je pevnost, pru\u017enost a hou\u017eevnatost, lze zlep\u0161it \u017e\u00edh\u00e1n\u00edm. Zah\u0159\u00edv\u00e1n\u00edm kovu na ur\u010ditou teplotu umo\u017e\u0148uje dislokaci v krystalov\u00e9 struktu\u0159e migrovat a vytv\u00e1\u0159et stabiln\u011bj\u0161\u00ed orientaci, co\u017e vede k materi\u00e1lu s vy\u0161\u0161\u00ed pevnost\u00ed a pru\u017enost\u00ed. Nap\u0159\u00edklad \u017e\u00edhan\u00e1 ocel je m\u00e9n\u011b k\u0159ehk\u00e1 a ta\u017en\u011bj\u0161\u00ed ne\u017e neo\u0161et\u0159en\u00e1 ocel, co\u017e z n\u00ed \u010din\u00ed ide\u00e1ln\u00ed materi\u00e1l pro v\u00fdrobu sou\u010d\u00e1st\u00ed stroj\u016f.<\/p>\n<h3>Vliv \u017e\u00edh\u00e1n\u00ed na mikrostrukturu materi\u00e1lu<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed m\u016f\u017ee tak\u00e9 ovlivnit mikrostrukturu materi\u00e1lu, co\u017e se t\u00fdk\u00e1 uspo\u0159\u00e1d\u00e1n\u00ed atom\u016f nebo molekul v l\u00e1tce. Kdy\u017e je materi\u00e1l \u017e\u00edh\u00e1n, zp\u016fsob\u00ed to zm\u011bnu mikrostruktury, co\u017e m\u00e1 za n\u00e1sledek rovnom\u011brn\u011bj\u0161\u00ed rozlo\u017een\u00ed velikosti zrna a sn\u00ed\u017een\u00ed p\u00f3rovitosti. V\u00fdsledkem je materi\u00e1l, kter\u00fd m\u00e1 zlep\u0161enou pevnost a snadnou v\u00fdrobu. Nap\u0159\u00edklad \u017e\u00edh\u00e1n\u00ed m\u016f\u017ee usnadnit tvarov\u00e1n\u00ed hlin\u00edkov\u00fdch slitin, co\u017e je nezbytn\u00e9 p\u0159i v\u00fdrob\u011b sou\u010d\u00e1st\u00ed letadel.<\/p>\n<h3>Vliv \u017e\u00edh\u00e1n\u00ed na elektrickou vodivost materi\u00e1lu<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9485\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8.png\" alt=\"Vliv \u017e\u00edh\u00e1n\u00ed na elektrickou vodivost materi\u00e1lu\" width=\"1000\" height=\"652\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8.png 1000w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8-300x196.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8-768x501.png 768w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8-18x12.png 18w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-8-250x163.png 250w\" sizes=\"(max-width: 1000px) 100vw, 1000px\"><\/p>\n<p>\u017d\u00edh\u00e1n\u00ed m\u016f\u017ee tak\u00e9 ovlivnit elektrickou vodivost materi\u00e1lu, zejm\u00e9na kov\u016f. Tepeln\u00e9 zpracov\u00e1n\u00ed eliminuje jak\u00e9koli ne\u010distoty v m\u0159\u00ed\u017ece materi\u00e1lu, co\u017e m\u00e1 za n\u00e1sledek efektivn\u011bj\u0161\u00ed tok elektron\u016f materi\u00e1lem. To lze vid\u011bt na m\u011bd\u011bn\u00fdch dr\u00e1tech, \u010dasto \u017e\u00edhan\u00fdch, aby byly vodiv\u011bj\u0161\u00ed a efektivn\u011bj\u0161\u00ed p\u0159i p\u0159enosu elektrick\u00fdch sign\u00e1l\u016f.<\/p>\n<h3>Vliv \u017e\u00edh\u00e1n\u00ed na obrobitelnost materi\u00e1lu<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed m\u016f\u017ee m\u00edt tak\u00e9 d\u016fsledky pro obrobitelnost materi\u00e1lu, co\u017e se t\u00fdk\u00e1 jeho schopnosti \u0159ezat, vrtat nebo jinak manipulovat b\u011bhem v\u00fdroby. \u017d\u00edh\u00e1n\u00edm se materi\u00e1l m\u016f\u017ee st\u00e1t poddajn\u011bj\u0161\u00edm a m\u011bk\u010d\u00edm, co\u017e usnad\u0148uje pr\u00e1ci s obr\u00e1b\u011bc\u00edmi stroji bez povrchov\u00fdch trhlin nebo jin\u00e9ho po\u0161kozen\u00ed. To je d\u016fvod, pro\u010d mnoho v\u00fdrobc\u016f ocel p\u0159ed \u0159ez\u00e1n\u00edm na kusy \u017e\u00edh\u00e1, co\u017e usnad\u0148uje tvarov\u00e1n\u00ed a sni\u017euje opot\u0159eben\u00ed obr\u00e1b\u011bc\u00edch stroj\u016f.<\/p>\n<h3>Vliv \u017e\u00edh\u00e1n\u00ed na f\u00e1zov\u00e9 slo\u017een\u00ed materi\u00e1lu<\/h3>\n<p>Kone\u010dn\u011b, \u017e\u00edh\u00e1n\u00ed m\u016f\u017ee ovlivnit f\u00e1zov\u00e9 slo\u017een\u00ed materi\u00e1lu, co\u017e se t\u00fdk\u00e1 r\u016fzn\u00fdch f\u00e1z\u00ed nebo stav\u016f hmoty, ve kter\u00fdch materi\u00e1l existuje. \u017d\u00edh\u00e1n\u00ed m\u016f\u017ee podporovat r\u016fst konkr\u00e9tn\u00edch krok\u016f, zp\u016fsobit rozpou\u0161t\u011bn\u00ed jin\u00fdch nebo v\u00e9st k tvorb\u011b nov\u00fdch f\u00e1z\u00ed. celkem. Toho lze vyu\u017e\u00edt k vytvo\u0159en\u00ed specifick\u00fdch po\u017eadovan\u00fdch vlastnost\u00ed materi\u00e1l\u016f, jako je zv\u00fd\u0161en\u00ed odolnosti proti korozi nebo jejich odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m.<\/p>\n<h3>Omezen\u00ed nebo v\u00fdzvy \u017e\u00edh\u00e1n\u00ed v r\u016fzn\u00fdch materi\u00e1lech<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed je sice \u00fa\u010dinn\u00fd zp\u016fsob, jak zlep\u0161it vlastnosti materi\u00e1lu, ale nemus\u00ed v\u017edy vyhovovat ka\u017ed\u00e9mu materi\u00e1lu. N\u011bkter\u00e9 materi\u00e1ly mohou vy\u017eadovat r\u016fzn\u00e9 procesy tepeln\u00e9ho zpracov\u00e1n\u00ed k dosa\u017een\u00ed po\u017eadovan\u00fdch v\u00fdsledk\u016f, nebo samotn\u00e1 operace \u017e\u00edh\u00e1n\u00ed m\u016f\u017ee b\u00fdt pro konkr\u00e9tn\u00ed materi\u00e1ly p\u0159\u00edli\u0161 n\u00e1kladn\u00e1 nebo nepraktick\u00e1. N\u011bkter\u00e9 materi\u00e1ly nelze \u017e\u00edhat kv\u016fli jejich specifick\u00fdm chemick\u00fdm vlastnostem nebo strukturn\u00edm charakteristik\u00e1m. Je nezbytn\u00e9 zv\u00e1\u017eit omezen\u00ed a v\u00fdzvy \u017e\u00edh\u00e1n\u00ed konkr\u00e9tn\u00edho materi\u00e1lu p\u0159ed jeho pou\u017eit\u00edm jako proces \u00fapravy.<\/p>\n<p><strong>Doporu\u010duji p\u0159e\u010d\u00edst:<\/strong> <a href=\"https:\/\/china-maching.com\/cs\/zivy-nastrojovy-soustruh-vse-co-potrebujete-vedet\/\" target=\"_blank\">Live Tooling Soustruh: V\u0161e, co pot\u0159ebujete v\u011bd\u011bt.<\/a><\/p>\n<h2>Jak se prov\u00e1d\u00ed \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9484\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3.png\" alt=\"Jak se prov\u00e1d\u00ed \u017e\u00edh\u00e1n\u00ed?\" width=\"512\" height=\"512\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3-12x12.png 12w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/5-3-200x200.png 200w\" sizes=\"(max-width: 512px) 100vw, 512px\"><\/p>\n<h3>Kroky procesu \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>Proces \u017e\u00edh\u00e1n\u00ed se skl\u00e1d\u00e1 z n\u011bkolika krok\u016f. Nejprve se kov zah\u0159eje na ur\u010ditou teplotu, kter\u00e1 se li\u0161\u00ed podle druhu kovu. Pot\u00e9 se udr\u017euje na t\u00e9to teplot\u011b po ur\u010ditou dobu, co\u017e umo\u017e\u0148uje rekrystalizaci a r\u016fst zrn kovu. D\u00e1le se kov pomalu ochlad\u00ed na pokojovou teplotu, co\u017e m\u016f\u017ee trvat n\u011bkolik hodin nebo n\u011bkolik dn\u00ed, v z\u00e1vislosti na tlou\u0161\u0165ce kovu.<\/p>\n<h3>Procesy tepeln\u00e9ho zpracov\u00e1n\u00ed a \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>Tepeln\u00e9 zpracov\u00e1n\u00ed je proces pou\u017e\u00edvan\u00fd v metalurgii ke zm\u011bn\u011b fyzik\u00e1ln\u00edch a mechanick\u00fdch vlastnost\u00ed kovu. \u017d\u00edh\u00e1n\u00ed je jednou z nejb\u011b\u017en\u011bj\u0161\u00edch technik tepeln\u00e9ho zpracov\u00e1n\u00ed pou\u017e\u00edvan\u00fdch v pr\u016fmyslu. Mezi dal\u0161\u00ed techniky pat\u0159\u00ed kalen\u00ed, popou\u0161t\u011bn\u00ed, normalizace a cementov\u00e1n\u00ed. Ka\u017ed\u00e1 z t\u011bchto technik zahrnuje specifick\u00e9 kroky oh\u0159evu, chlazen\u00ed a temperov\u00e1n\u00ed v z\u00e1vislosti na po\u017eadovan\u00fdch vlastnostech kovu.<\/p>\n<h3>Pr\u00e1ce za studena a pot\u0159eba \u017e\u00edh\u00e1n\u00ed<\/h3>\n<div class=\"internal-linking-related-contents-pro\"><a href=\"https:\/\/china-maching.com\/cs\/polomery-zaobleni-vse-co-potrebujete-vedet\/\" class=\"template-9\"><img width=\"200\" height=\"200\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/2-7.png\" class=\"alignleft wp-post-image\" alt=\"Polom\u011bry zaoblen\u00ed: V\u0161e, co pot\u0159ebujete v\u011bd\u011bt\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/2-7.png 512w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/2-7-300x300.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/2-7-150x150.png 150w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/05\/2-7-100x100.png 100w\" sizes=\"(max-width: 200px) 100vw, 200px\"><div class=\"postTitle\"><span><strong>Pokra\u010dovat ve \u010dten\u00ed<\/strong>Polom\u011bry zaoblen\u00ed: V\u0161e, co pot\u0159ebujete v\u011bd\u011bt<\/span><\/div><\/a><\/div><p>Zpracov\u00e1n\u00edm za studena se rozum\u00ed deformace kovu p\u0159i pokojov\u00e9 teplot\u011b, obvykle v\u00e1lcov\u00e1n\u00edm, kov\u00e1n\u00edm nebo vytla\u010dov\u00e1n\u00edm. Tento proces m\u016f\u017ee zv\u00fd\u0161it pevnost a tvrdost kovu, ale tak\u00e9 m\u016f\u017ee zp\u016fsobit jeho k\u0159ehkost. Zde p\u0159ich\u00e1z\u00ed na \u0159adu \u017e\u00edh\u00e1n\u00ed. \u017d\u00edh\u00e1n\u00ed m\u016f\u017ee pomoci obnovit pru\u017enost, hou\u017eevnatost a dal\u0161\u00ed mechanick\u00e9 vlastnosti kovu a zajistit tak trvanlivost a integritu materi\u00e1lu.<\/p>\n<h3>Faktory ovliv\u0148uj\u00edc\u00ed \u00fa\u010dinnost \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>\u00da\u010dinnost \u017e\u00edh\u00e1n\u00ed z\u00e1vis\u00ed na n\u011bkolika faktorech, v\u010detn\u011b rychlosti chlazen\u00ed, teploty tepeln\u00e9ho zpracov\u00e1n\u00ed a atmosf\u00e9ry. Nap\u0159\u00edklad rychlost ochlazov\u00e1n\u00ed m\u016f\u017ee v\u00fdznamn\u011b ovlivnit velikost zrna kovu, p\u0159i\u010dem\u017e pomal\u00e9 rychlosti ochlazov\u00e1n\u00ed maj\u00ed za n\u00e1sledek v\u011bt\u0161\u00ed zrna. Podobn\u011b m\u016f\u017ee teplota tepeln\u00e9ho zpracov\u00e1n\u00ed zm\u011bnit vlastnosti kovu, p\u0159i\u010dem\u017e vy\u0161\u0161\u00ed teploty vedou k m\u011bk\u010d\u00edmu a poddajn\u011bj\u0161\u00edmu kovu. Nav\u00edc atmosf\u00e9ra, ve kter\u00e9 prob\u00edh\u00e1 proces \u017e\u00edh\u00e1n\u00ed, m\u016f\u017ee ovlivnit tvorbu oxid\u016f na povrchu kovu.<\/p>\n<h3>B\u011b\u017en\u00e9 techniky \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>N\u011bkolik standardn\u00edch \u017e\u00edhac\u00edch technik zahrnuje \u00fapln\u00e9 \u017e\u00edh\u00e1n\u00ed, normaliza\u010dn\u00ed \u017e\u00edh\u00e1n\u00ed a \u017e\u00edh\u00e1n\u00ed pro uvoln\u011bn\u00ed nap\u011bt\u00ed. \u00dapln\u00e9 \u017e\u00edh\u00e1n\u00ed zahrnuje zah\u0159\u00e1t\u00ed kovu na ur\u010ditou teplotu a jeho udr\u017een\u00ed tam po del\u0161\u00ed dobu. Na druh\u00e9 stran\u011b normalizace spo\u010d\u00edv\u00e1 v zah\u0159\u00e1t\u00ed kovu na vy\u0161\u0161\u00ed teplotu ne\u017e p\u0159i \u00fapln\u00e9m \u017e\u00edh\u00e1n\u00ed p\u0159ed jeho pomal\u00fdm ochlazen\u00edm. Kone\u010dn\u011b \u017e\u00edh\u00e1n\u00ed na odleh\u010den\u00ed pnut\u00ed spo\u010d\u00edv\u00e1 v zah\u0159\u00e1t\u00ed kovu na teplotu ni\u017e\u0161\u00ed, ne\u017e je teplota \u00fapln\u00e9ho \u017e\u00edh\u00e1n\u00ed, a jeho pomal\u00e9m ochlazov\u00e1n\u00ed. Ka\u017ed\u00e1 technika m\u00e1 sv\u00e9 specifick\u00e9 aplikace a v\u00fdhody v z\u00e1vislosti na typu kovu a po\u017eadovan\u00fdch mechanick\u00fdch vlastnostech.<\/p>\n<p><strong>Doporu\u010duji p\u0159e\u010d\u00edst:<\/strong> <a href=\"https:\/\/china-maching.com\/cs\/vse-co-potrebujete-vedet-o-precipitacne-kalene-nerezove-oceli\/\" target=\"_blank\">V\u0161e, co pot\u0159ebujete v\u011bd\u011bt o sr\u00e1\u017ekov\u00e9m kalen\u00ed nerezov\u00e9 oceli.<\/a><\/p>\n<h2>Aplikace \u017e\u00edh\u00e1n\u00ed<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9486\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9.png\" alt=\" Diagram izotermick\u00e9ho \u017e\u00edh\u00e1n\u00ed\" width=\"873\" height=\"809\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9.png 873w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9-300x278.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9-768x712.png 768w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9-13x12.png 13w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-9-216x200.png 216w\" sizes=\"(max-width: 873px) 100vw, 873px\"><\/p>\n<h3>Pr\u016fmyslov\u00e9 aplikace \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed je \u0161iroce pou\u017e\u00edv\u00e1no v pr\u016fmyslov\u00e9m sektoru, zejm\u00e9na v kovoobr\u00e1b\u011bn\u00ed a odl\u00e9v\u00e1n\u00ed. V pr\u016fmyslu odl\u00e9v\u00e1n\u00ed kov\u016f odstra\u0148uje \u017e\u00edh\u00e1n\u00ed pnut\u00ed p\u0159i lit\u00ed a sni\u017euje riziko prask\u00e1n\u00ed b\u011bhem f\u00e1ze ochlazov\u00e1n\u00ed. V kovozpracuj\u00edc\u00edm pr\u016fmyslu se \u017e\u00edh\u00e1n\u00ed pou\u017e\u00edv\u00e1 ke zm\u011bk\u010den\u00ed kovu pro snadn\u011bj\u0161\u00ed obr\u00e1b\u011bn\u00ed a tv\u00e1\u0159en\u00ed a ke sn\u00ed\u017een\u00ed rizika prask\u00e1n\u00ed p\u0159i sva\u0159ov\u00e1n\u00ed. \u017d\u00edh\u00e1n\u00ed se tak\u00e9 pou\u017e\u00edv\u00e1 k \u0159\u00edzen\u00ed mikrostruktury kov\u016f v pokro\u010dil\u00fdch aplikac\u00edch, jako je v\u00fdroba magnetick\u00fdch materi\u00e1l\u016f.<\/p>\n<h3>Aplikace \u017e\u00edh\u00e1n\u00ed ve v\u011bd\u011b o materi\u00e1lech<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed m\u00e1 \u0161irok\u00e9 pou\u017eit\u00ed v materi\u00e1lov\u00e9 v\u011bd\u011b, od synt\u00e9zy nov\u00fdch materi\u00e1l\u016f a\u017e po zlep\u0161ov\u00e1n\u00ed st\u00e1vaj\u00edc\u00edch. Proces \u017e\u00edh\u00e1n\u00ed lze pou\u017e\u00edt ke zlep\u0161en\u00ed vlastnost\u00ed, jako je tvrdost, hou\u017eevnatost a flexibilita, co\u017e z n\u011bj \u010din\u00ed v\u0161estrann\u00fd n\u00e1stroj pro materi\u00e1lov\u00e9 in\u017een\u00fdry. Krom\u011b toho lze \u017e\u00edh\u00e1n\u00edm odstranit vady materi\u00e1l\u016f, kter\u00e9 b\u011bhem pou\u017e\u00edv\u00e1n\u00ed pro\u0161ly po\u0161kozen\u00edm nebo degradac\u00ed.<\/p>\n<h3>Jak \u017e\u00edh\u00e1n\u00ed zlep\u0161uje vlastnosti kov\u016f<\/h3>\n<p>\u017d\u00edh\u00e1n\u00ed funguje tak, \u017ee se m\u011bn\u00ed mikrostruktura materi\u00e1lu. Kdy\u017e se materi\u00e1l zah\u0159eje na teplotu \u017e\u00edh\u00e1n\u00ed, atomy se stanou pohybliv\u011bj\u0161\u00edmi a vytvo\u0159\u00ed nov\u00e9 krystalov\u00e9 struktury. Tento proces m\u00e1 za n\u00e1sledek stabiln\u011bj\u0161\u00ed, vyrovnanou krystalovou strukturu, zlep\u0161uj\u00edc\u00ed mechanick\u00e9 vlastnosti. U kov\u016f m\u016f\u017ee \u017e\u00edh\u00e1n\u00ed sn\u00ed\u017eit dislokace, kter\u00e9 zp\u016fsobuj\u00ed k\u0159ehkost a tvrdnut\u00ed, co\u017e vede ke zlep\u0161en\u00ed ta\u017enosti a hou\u017eevnatosti.<\/p>\n<h3>P\u0159\u00edklady materi\u00e1l\u016f, kter\u00e9 proch\u00e1zej\u00ed \u017e\u00edh\u00e1n\u00edm<\/h3>\n<p>Jedn\u00edm z nejb\u011b\u017en\u011bj\u0161\u00edch materi\u00e1l\u016f, kter\u00e9 proch\u00e1zej\u00ed \u017e\u00edh\u00e1n\u00edm, je ocel. Proces \u017e\u00edh\u00e1n\u00ed oceli zlep\u0161uje jej\u00ed hou\u017eevnatost, usnad\u0148uje pr\u00e1ci a je odoln\u011bj\u0161\u00ed proti prask\u00e1n\u00ed b\u011bhem pou\u017e\u00edv\u00e1n\u00ed. Mezi dal\u0161\u00ed materi\u00e1ly, kter\u00e9 mohou t\u011b\u017eit z \u017e\u00edh\u00e1n\u00ed, pat\u0159\u00ed m\u011b\u010f, hlin\u00edk a <a class=\"wpil_keyword_link\" href=\"https:\/\/china-maching.com\/cs\/porozumeni-slitinam-titanu-zkoumani-typu-a-aplikaci\/\" target=\"_blank\" rel=\"noopener\" title=\"slitiny titanu\" data-wpil-keyword-link=\"linked\">slitiny titanu<\/a>, co\u017e m\u016f\u017ee zlep\u0161it jejich flexibilitu a zpracovatelnost.<\/p>\n<h3>Budouc\u00ed v\u00fdvoj technologie \u017e\u00edh\u00e1n\u00ed<\/h3>\n<p>Jak se materi\u00e1lov\u00e1 v\u011bda a in\u017een\u00fdrstv\u00ed vyv\u00edjej\u00ed, vyv\u00edjej\u00ed se nov\u00e9 techniky \u017e\u00edh\u00e1n\u00ed pro zlep\u0161en\u00ed proces\u016f a materi\u00e1l\u016f. Nap\u0159\u00edklad se vyv\u00edjej\u00ed pokro\u010dil\u00e9 techniky \u017e\u00edh\u00e1n\u00ed, jako je rychl\u00e9 tepeln\u00e9 \u017e\u00edh\u00e1n\u00ed a bleskov\u00e9 \u017e\u00edh\u00e1n\u00ed, aby se urychlil proces \u017e\u00edh\u00e1n\u00ed p\u0159i zachov\u00e1n\u00ed zlep\u0161en\u00fdch mechanick\u00fdch vlastnost\u00ed. Vyv\u00edjej\u00ed se tak\u00e9 nov\u00e9 techniky, jako je deforma\u010dn\u00ed \u017e\u00edh\u00e1n\u00ed a jiskrov\u00e9 plazmov\u00e9 slinov\u00e1n\u00ed, kter\u00e9 poskytuj\u00ed nov\u00e9 aplikace pro technologii \u017e\u00edh\u00e1n\u00ed. Tyto pokroky v technologii \u017e\u00edh\u00e1n\u00ed umo\u017en\u00ed v\u00fdvoj nov\u00fdch materi\u00e1l\u016f, kter\u00e9 mohou zp\u016fsobit revoluci v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch procesech.<\/p>\n<p><strong>Doporu\u010duji p\u0159e\u010d\u00edst:<\/strong> <a href=\"https:\/\/china-maching.com\/cs\/vse-co-potrebujete-vedet-o-nerezove-oceli-420\/\" target=\"_blank\">V\u0161e, co pot\u0159ebujete v\u011bd\u011bt o nerezov\u00e9 oceli 420<\/a><\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9487\" src=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-10.png\" alt=\"Diagram proses homogenisasi\" width=\"727\" height=\"523\" srcset=\"https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-10.png 727w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-10-300x216.png 300w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-10-18x12.png 18w, https:\/\/china-maching.com\/wp-content\/uploads\/2023\/07\/2-10-250x180.png 250w\" sizes=\"(max-width: 727px) 100vw, 727px\"><\/p>\n<h2>Ot\u00e1zka: Co je to \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed je proces tepeln\u00e9ho zpracov\u00e1n\u00ed, p\u0159i kter\u00e9m se kov zah\u0159eje na ur\u010ditou teplotu a pot\u00e9 se pomalu ochlad\u00ed na pokojovou teplotu, aby se zm\u011bnily jeho vlastnosti.<\/p>\n<h2>Ot\u00e1zka: Jak funguje \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p>Odpov\u011b\u010f: B\u011bhem \u017e\u00edh\u00e1n\u00ed se kov zah\u0159eje na vysokou teplotu a udr\u017euje se na t\u00e9to teplot\u011b po ur\u010ditou dobu. To umo\u017e\u0148uje p\u0159eskupen\u00ed krystalov\u00e9 m\u0159\u00ed\u017eky kovu, sn\u00ed\u017een\u00ed po\u010dtu dislokac\u00ed a zv\u011bt\u0161en\u00ed velikosti krystalov\u00e9ho zrna. Proces pomal\u00e9ho ochlazov\u00e1n\u00ed pak pom\u00e1h\u00e1 zm\u00edrnit vnit\u0159n\u00ed pnut\u00ed a umo\u017e\u0148uje atom\u016fm migrovat v krystalov\u00e9 m\u0159\u00ed\u017ece, co\u017e m\u00e1 za n\u00e1sledek po\u017eadovan\u00e9 vlastnosti materi\u00e1lu.<\/p>\n<h2>Ot\u00e1zka: Jak\u00e9 jsou v\u00fdhody \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed m\u016f\u017ee zlep\u0161it pru\u017enost a sn\u00ed\u017eit tvrdost kovu. Pom\u00e1h\u00e1 tak\u00e9 zjem\u0148ovat strukturu krystalov\u00e9ho zrna, \u010d\u00edm\u017e zlep\u0161uje tvarovatelnost a zpracovatelnost materi\u00e1lu. Krom\u011b toho m\u016f\u017ee \u017e\u00edh\u00e1n\u00ed zm\u011bnit fyzik\u00e1ln\u00ed a n\u011bkdy i chemick\u00e9 vlastnosti kovu.<\/p>\n<h2>Ot\u00e1zka: Jak\u00e1 je role pece p\u0159i \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p>Odpov\u011b\u010f: K oh\u0159evu kovu na po\u017eadovanou teplotu pro \u017e\u00edh\u00e1n\u00ed se pou\u017e\u00edv\u00e1 pec. \u0158\u00edzen\u00fd proces oh\u0159evu a chlazen\u00ed v peci pom\u00e1h\u00e1 dos\u00e1hnout po\u017eadovan\u00fdch zm\u011bn vlastnost\u00ed materi\u00e1lu.<\/p>\n<h2>Ot\u00e1zka: Jak ovliv\u0148uje proces chlazen\u00ed p\u0159i \u017e\u00edh\u00e1n\u00ed kov?<\/h2>\n<p>Odpov\u011b\u010f: Rychlost ochlazov\u00e1n\u00ed b\u011bhem \u017e\u00edh\u00e1n\u00ed je kritick\u00e1, proto\u017ee ur\u010duje kone\u010dn\u00e9 vlastnosti kovu. Pomal\u00e9 chlazen\u00ed umo\u017e\u0148uje postupnou dif\u00fazi a sni\u017euje tvorbu vnit\u0159n\u00edch pnut\u00ed, co\u017e m\u00e1 za n\u00e1sledek pru\u017en\u011bj\u0161\u00ed a jemn\u011bj\u0161\u00ed strukturu. Na druhou stranu rychl\u00e9 ochlazen\u00ed m\u016f\u017ee v\u00e9st k kalen\u00ed, kter\u00e9 m\u016f\u017ee zv\u00fd\u0161it tvrdost kovu.<\/p>\n<h2>Ot\u00e1zka: Jak\u00e9 druhy kov\u016f lze \u017e\u00edhat?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed lze aplikovat na r\u016fzn\u00e9 kovy, v\u010detn\u011b uhl\u00edkov\u00e9 oceli, nerezov\u00e9 oceli, hlin\u00edku, m\u011bdi, mosazi a mnoha dal\u0161\u00edch.<\/p>\n<h2>Ot\u00e1zka: Kdy je nutn\u00e9 \u017e\u00edh\u00e1n\u00ed?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed se pou\u017e\u00edv\u00e1, kdy\u017e je t\u0159eba kov zm\u011bk\u010dit, u\u010dinit ho kujn\u011bj\u0161\u00edm nebo kdy\u017e jsou po\u017eadov\u00e1ny po\u017eadovan\u00e9 vlastnosti, jako je zlep\u0161en\u00e1 tvarovatelnost, obrobitelnost nebo redukovatelnost. B\u011b\u017en\u011b se tak\u00e9 pou\u017e\u00edv\u00e1 k uvoln\u011bn\u00ed vnit\u0159n\u00edho pnut\u00ed v obrobku.<\/p>\n<h2>Ot\u00e1zka: Lze \u017e\u00edhat slo\u017eit\u00e9 d\u00edly?<\/h2>\n<p>Odpov\u011b\u010f: Ano, slo\u017eit\u00e9 d\u00edly mohou tak\u00e9 proj\u00edt \u017e\u00edh\u00e1n\u00edm. Proces v\u0161ak m\u016f\u017ee vy\u017eadovat pe\u010dlivou kontrolu procesu oh\u0159evu a chlazen\u00ed, aby se zajistily rovnom\u011brn\u00e9 zm\u011bny vlastnost\u00ed materi\u00e1lu v cel\u00e9m d\u00edlu.<\/p>\n<h2>Ot\u00e1zka: Jak\u00fd je rozd\u00edl mezi \u017e\u00edh\u00e1n\u00edm a temperov\u00e1n\u00edm?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed a temperov\u00e1n\u00ed jsou procesy tepeln\u00e9ho zpracov\u00e1n\u00ed, ale slou\u017e\u00ed r\u016fzn\u00fdm \u00fa\u010del\u016fm. \u017d\u00edh\u00e1n\u00ed se prim\u00e1rn\u011b prov\u00e1d\u00ed za \u00fa\u010delem zm\u011bk\u010den\u00ed kovu a \u00fapravy jeho struktury, zat\u00edmco popou\u0161t\u011bn\u00ed se prov\u00e1d\u00ed za \u00fa\u010delem dosa\u017een\u00ed specifick\u00e9 rovnov\u00e1hy mezi tvrdost\u00ed a pru\u017enost\u00ed kovu.<\/p>\n<h2>Ot\u00e1zka: Prov\u00e1d\u00ed se \u017e\u00edh\u00e1n\u00ed v\u017edy p\u0159i vysok\u00fdch teplot\u00e1ch?<\/h2>\n<p>Odpov\u011b\u010f: \u017d\u00edh\u00e1n\u00ed lze prov\u00e1d\u011bt p\u0159i r\u016fzn\u00fdch teplot\u00e1ch v z\u00e1vislosti na materi\u00e1lu a po\u017eadovan\u00e9m v\u00fdsledku. Zat\u00edmco se v procesu \u010dasto pou\u017e\u00edvaj\u00ed vysok\u00e9 teploty, ur\u010dit\u00e9 materi\u00e1ly mohou tak\u00e9 podl\u00e9hat \u017e\u00edh\u00e1n\u00ed p\u0159i ni\u017e\u0161\u00edch teplot\u00e1ch.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is the annealing process? Annealing is a metallurgical process that involves heating a material to a specific temperature and then cooling it slowly to improve its mechanical properties. The purpose of annealing is to make the fabric softer, more malleable, and less brittle. This is accomplished by reducing internal stress and improving the material&rsquo;s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cnc-machining-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is Annealing? - ETCN<\/title>\n<meta name=\"description\" content=\"Unlock the secrets of the annealing process with ETCN&#039;s informative blog. 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