{"id":750,"date":"2017-08-19T08:50:59","date_gmt":"2017-08-19T08:50:59","guid":{"rendered":"http:\/\/wldstainless.com\/?p=750"},"modified":"2020-09-15T07:58:02","modified_gmt":"2020-09-15T07:58:02","slug":"why-the-stainless-steel-pipe-need-solution-annealing","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/why-the-stainless-steel-pipe-need-solution-annealing\/","title":{"rendered":"Paslanmaz \u00e7elik borunun neden \u00e7\u00f6zelti tavlamas\u0131na ihtiyac\u0131 var?"},"content":{"rendered":"<p>\u00c7\u00f6zelti tavlamas\u0131 ayn\u0131 zamanda karb\u00fcr \u00e7\u00f6zelti tavlamas\u0131 olarak da adland\u0131r\u0131l\u0131r, karb\u00fcr \u00e7\u00f6kelmesini (paslanmaz \u00e7elik kat\u0131 \u00e7\u00f6zeltiden Karbon) \u00e7\u0131karmak i\u00e7in i\u015f par\u00e7as\u0131n\u0131 1010 \u00b0 C veya daha y\u00fcksek bir s\u0131cakl\u0131\u011fa \u0131s\u0131tan bir i\u015flemdir ve daha sonra h\u0131zl\u0131 so\u011futma, genellikle su s\u00f6nd\u00fcrme ve karb\u00fcr paslanmaz \u00e7elik kat\u0131 \u00e7\u00f6zeltisine geri d\u00f6nd\u00fc. \u00c7\u00f6zelti tavlama i\u015flemi ala\u015f\u0131ml\u0131 \u00e7elik ve paslanmaz \u00e7eli\u011fe uygulanabilir. \u0130\u00e7in <a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\"><em>304 paslanmaz \u00e7elik<\/em> <\/a>D\u00f6k\u00fcmlerde, \u00e7\u00f6zelti i\u015flemi, karb\u00fcr safs\u0131zl\u0131klar\u0131 olmadan tekd\u00fcze bir mikro yap\u0131 \u00fcretebilir. Genel olarak, paslanmaz \u00e7elik boru, karb\u00fcr ve \u00e7e\u015fitli ala\u015f\u0131m elementlerinin \u00d6stenit i\u00e7inde tamamen ve e\u015fit bir \u015fekilde \u00e7\u00f6z\u00fclmesini sa\u011flamak i\u00e7in uzun bir s\u00fcre yakla\u015f\u0131k 950 ~ 1150 \u00b0 C&#039;ye \u0131s\u0131t\u0131l\u0131r ve daha sonra karbon ve di\u011fer ala\u015f\u0131mlardan dolay\u0131 saf \u00d6stenit yap\u0131s\u0131n\u0131 elde etmek i\u00e7in h\u0131zl\u0131 bir \u015fekilde su so\u011futmas\u0131 s\u00f6nd\u00fcr\u00fcl\u00fcr. ge\u00e7 ya\u011f\u0131\u015fa neden olan unsurlar. Paslanmaz \u00e7elik borunun neden \u00e7\u00f6zelti tavlamas\u0131na ihtiya\u00e7 duydu\u011fu sorusu ortaya \u00e7\u0131k\u0131yor? \u00d6ncelikle \u00e7\u00f6zelti tavlama i\u015fleminin i\u015flevini bilmelisiniz.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-1763 aligncenter\" src=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace.jpg\" alt=\"\" width=\"500\" height=\"322\" srcset=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace.jpg 500w, https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace-300x193.jpg 300w, https:\/\/wldstainless.com\/wp-content\/uploads\/2017\/08\/Solid-solution-heat-treatment-furnace-450x290.jpg 450w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><strong>D\u00fczg\u00fcn metalografik yap\u0131<\/strong><\/p>\n<p>Bu \u00f6zellikle hammaddeler i\u00e7in \u00f6nemlidir. S\u0131cak haddelenmi\u015f \u00e7elik borular\u0131n haddeleme s\u0131cakl\u0131\u011f\u0131 ve so\u011fuma h\u0131z\u0131ndaki tutars\u0131zl\u0131klar yap\u0131da ayn\u0131 sonu\u00e7lara neden olur. Y\u00fcksek s\u0131cakl\u0131klarda atomik aktivite artt\u0131\u011f\u0131nda, \u03c3 \u00e7\u00f6z\u00fcl\u00fcr ve kimyasal bile\u015fim tekd\u00fcze olma e\u011filiminde olur, h\u0131zl\u0131 so\u011futman\u0131n ard\u0131ndan tek fazl\u0131 tek fazl\u0131 bir yap\u0131 elde edilir.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u0130\u015f sertle\u015fmesinin ortadan kald\u0131r\u0131lmas\u0131<\/strong><\/p>\n<p>Kat\u0131 \u00e7\u00f6zelti i\u015flemi, b\u00fck\u00fclm\u00fc\u015f kafesi onar\u0131r ve k\u0131r\u0131lan taneci\u011fi yeniden kristalle\u015ftirir. S\u00fcrekli so\u011fuk \u00e7al\u0131\u015fmay\u0131 kolayla\u015ft\u0131rmak i\u00e7in uzama oran\u0131 artarken \u00e7elik borunun i\u00e7 gerilimi ve \u00e7ekme mukavemeti azal\u0131r.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Artan korozyon direnci<\/strong><\/p>\n<p>Paslanmaz \u00e7eli\u011fin korozyon direnci, karb\u00fcr\u00fcn \u00e7\u00f6kelmesiyle azal\u0131r ve \u00e7elik borunun korozyon direnci, kat\u0131 \u00e7\u00f6zelti i\u015fleminden sonra en iyi seviyeye d\u00f6ner. Paslanmaz \u00e7eli\u011fin \u00e7\u00f6zelti i\u015fleminde s\u0131cakl\u0131k, bekletme s\u00fcresi ve so\u011fuma h\u0131z\u0131 en \u00f6nemli fakt\u00f6rlerdir.<\/p>\n<p>Kat\u0131 \u00e7\u00f6zelti s\u0131cakl\u0131\u011f\u0131 kimyasal bile\u015fime ba\u011fl\u0131d\u0131r. Genel olarak konu\u015fursak, kat\u0131 \u00e7\u00f6zelti s\u0131cakl\u0131\u011f\u0131, daha fazla ala\u015f\u0131m elementi ve y\u00fcksek i\u00e7erik i\u00e7eren kalite i\u00e7in, \u00f6zellikle de y\u00fcksek manganez, molibden, nikel ve silikon i\u00e7eri\u011fine sahip \u00e7elik i\u00e7in uygun \u015fekilde art\u0131r\u0131lmal\u0131d\u0131r. Yumu\u015fatma etkisi yaln\u0131zca kat\u0131 \u00e7\u00f6zelti s\u0131cakl\u0131\u011f\u0131n\u0131n y\u00fckseltilmesi ve tamamen \u00e7\u00f6z\u00fcnmesiyle sa\u011flanabilir.<\/p>\n<p>Ancak 316Ti gibi baz\u0131 istisnalar da vard\u0131r. Kat\u0131 \u00e7\u00f6zelti s\u0131cakl\u0131\u011f\u0131 y\u00fcksek oldu\u011funda, stabilize edilmi\u015f elemanlar\u0131n karb\u00fcrleri \u00d6stenit i\u00e7inde tamamen \u00e7\u00f6z\u00fcl\u00fcr, bu da tanecik s\u0131n\u0131r\u0131nda Cr23C6 \u015feklinde \u00e7\u00f6kelir ve sonraki so\u011futmada tanecikler aras\u0131 korozyona neden olur. Stabilizasyon elemanlar\u0131ndaki karb\u00fcr\u00fcn (TiC ve Nbc) ayr\u0131\u015fmas\u0131n\u0131 ve kat\u0131 \u00e7\u00f6zeltiyi \u00f6nlemek i\u00e7in daha d\u00fc\u015f\u00fck kat\u0131 \u00e7\u00f6zelti s\u0131cakl\u0131\u011f\u0131 \u00f6nerilir.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00c7\u00f6zelti tavlamas\u0131 ayn\u0131 zamanda karb\u00fcr \u00e7\u00f6zelti tavlamas\u0131 olarak da adland\u0131r\u0131l\u0131r, karb\u00fcr \u00e7\u00f6kelmesini (paslanmaz \u00e7elik kat\u0131 \u00e7\u00f6zeltiden Karbon) \u00e7\u0131karmak i\u00e7in i\u015f par\u00e7as\u0131n\u0131 1010 \u00b0 C veya daha y\u00fcksek bir s\u0131cakl\u0131\u011fa \u0131s\u0131tan bir i\u015flemdir ve daha sonra h\u0131zl\u0131 so\u011futma, genellikle su s\u00f6nd\u00fcrme ve karb\u00fcr paslanmaz \u00e7elik kat\u0131 \u00e7\u00f6zeltisine geri d\u00f6nd\u00fc. \u00c7\u00f6zelti tavlama i\u015flemi [\u2026]<\/p>","protected":false},"author":1,"featured_media":929,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/comments?post=750"}],"version-history":[{"count":8,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/750\/revisions"}],"predecessor-version":[{"id":1764,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/750\/revisions\/1764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/929"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}