Paslanmaz \u00e7elik, dayan\u0131kl\u0131l\u0131\u011f\u0131 ve korozyona kar\u015f\u0131 direnci nedeniyle mutfak e\u015fyalar\u0131nda ve di\u011fer ticari uygulamalarda kullan\u0131lan en pop\u00fcler metaldir. Ancak paslanmaz \u00e7elikler tuzlu suya ve baz\u0131 kimyasallara maruz kald\u0131\u011f\u0131nda korozyona kar\u015f\u0131 hassast\u0131r. Do\u011fru paslanmaz \u00e7elik kalitelerini sat\u0131n al\u0131rken a\u015fa\u011f\u0131daki d\u00f6rt terimin (Korozyona dayan\u0131kl\u0131l\u0131k, mekanik \u00f6zellikler, i\u015flenebilirlik, kaynaklanabilirlik, y\u00fczey i\u015flemleri), son i\u015flem veya baharatlama s\u0131ras\u0131nda kar\u015f\u0131la\u015f\u0131lan a\u015f\u0131nma ve a\u015f\u0131nd\u0131r\u0131c\u0131 \u00e7\u00f6z\u00fcmlere kar\u015f\u0131 diren\u00e7 derecesine ba\u011fl\u0131 oldu\u011fundan emin olmal\u0131s\u0131n\u0131z. i\u015flem. Ayr\u0131ca, kullan\u0131lan bitirme t\u00fcr\u00fc ve yap\u0131daki ala\u015f\u0131mlama derecesi, son kalitenin bile\u015fimini belirler.<\/p>\n
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Korozyona dayan\u0131kl\u0131<\/strong><\/p>\n Korozyon direnci, paslanmayan ve asit, alkali, tuz ve di\u011fer a\u015f\u0131nd\u0131r\u0131c\u0131 ortam performans\u0131n\u0131n yan\u0131 s\u0131ra y\u00fcksek s\u0131cakl\u0131kta oksidasyon direnci, korozyon direnci ve di\u011fer \u00f6zellikleri i\u00e7erir. Paslanmaz \u00e7elik projesini se\u00e7mek, m\u00fchendislikte kar\u015f\u0131la\u015f\u0131lan \u00e7e\u015fitli korozyon sorunlar\u0131n\u0131 \u00e7\u00f6zmek i\u00e7indir ve bu nedenle paslanmaz \u00e7eli\u011fin korozyon ortam\u0131ndaki korozyon direnci, ekipman\u0131n g\u00fcvenli \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in ekipman\u0131n servis \u00f6mr\u00fc boyunca korozyona kar\u015f\u0131 yeterli dayan\u0131kl\u0131l\u0131\u011fa sahip olmas\u0131n\u0131 garanti edebilir. Malzeme se\u00e7iminde \u00f6ncelik \u015fu hususlara dikkat edilmelidir: Korozyona dayan\u0131kl\u0131l\u0131k standard\u0131 insanlar taraf\u0131ndan belirlenir, bununla s\u0131n\u0131rland\u0131r\u0131lamaz ve g\u00f6z ard\u0131 edilemez, uygun olan\u0131 belirlemek i\u00e7in kullan\u0131m ko\u015fullar\u0131n\u0131n gerekliliklerini kullanmal\u0131s\u0131n\u0131z. seviye.<\/p>\n \u015eimdiye kadar, herhangi bir ortamda iyi pas direncine, korozyon direncine sahip bir paslanmaz \u00e7elik yoktur, ancak belirli bir ortam i\u00e7in daha uygun bir kalite vard\u0131r. Paslanmaz \u00e7elik se\u00e7iminde sadece genel korozyon direncinin de\u011fil ayn\u0131 zamanda yerel korozyon direncinin de dikkate al\u0131nmas\u0131 gerekti\u011fini belirtmekte fayda var. \u00d6zellikle su ortam\u0131nda ve kimyasal ortamda ikincisi \u00f6zellikle \u00f6nemlidir. Deneyim kullan\u0131m\u0131, paslanmaz \u00e7elik ekipman ve bile\u015fenlerin ani tahribat\u0131n\u0131n, yerel korozyonun genel korozyondan daha zararl\u0131 oldu\u011funu kan\u0131tlam\u0131\u015ft\u0131r. \u00c7e\u015fitli k\u0131lavuzlarda ve literat\u00fcrde paslanmaz \u00e7eli\u011fin korozyon direnci verilerinden al\u0131nt\u0131 yaparken, bunlar\u0131n \u00e7o\u011funun test verileri oldu\u011funa ve ger\u00e7ek ortam ortam\u0131yla genellikle b\u00fcy\u00fck farkl\u0131l\u0131klar bulundu\u011funa dikkat edilmelidir.<\/p>\n <\/p>\n Mekanik \u00f6zellikler<\/strong><\/p>\n Mekanik \u00f6zellikler; mukavemet, sertlik, plastisite, tokluk, yorulma ve di\u011fer \u00f6zellikleri i\u00e7erir. Bu \u00f6zelliklerin \u00e7o\u011funun, g\u00fc\u00e7l\u00fc a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlar\u0131n bulunmad\u0131\u011f\u0131 atmosferik ortamlarda \u00f6l\u00e7\u00fcld\u00fc\u011f\u00fcn\u00fc unutmay\u0131n. A\u015f\u0131nd\u0131r\u0131c\u0131 ortamdayken yorulma mukavemeti gibi mekanik \u00f6zellikler \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r ve bazen statik \u00e7ekme gerilimi ve ortam alt\u0131nda dayan\u0131kl\u0131l\u0131k s\u0131n\u0131rlar\u0131n\u0131n \u00e7ok alt\u0131na d\u00fc\u015fer. S\u0131k y\u00fck alt\u0131ndaki ekipman i\u00e7in, dayan\u0131kl\u0131l\u0131k tasar\u0131m\u0131na ek olarak, d\u00fc\u015f\u00fck s\u0131cakl\u0131kta \u00e7al\u0131\u015fmak ve paslanmaz \u00e7elik bile\u015fenlerin darbe y\u00fck\u00fcn\u00fc ta\u015f\u0131mak i\u00e7in yorulma tasar\u0131m\u0131 yapmak i\u00e7in de gerekli olan, d\u00fc\u015f\u00fck s\u0131cakl\u0131ktaki toklu\u011funu, k\u0131r\u0131lganl\u0131\u011f\u0131n\u0131, ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131 dikkate almal\u0131d\u0131r. d\u00fc\u015f\u00fck s\u0131cakl\u0131kta k\u0131r\u0131lma dayan\u0131kl\u0131l\u0131\u011f\u0131; Bazen do\u011frusal genle\u015fme katsay\u0131s\u0131n\u0131n dikkate al\u0131nmas\u0131 gerekir.<\/p>\n <\/p>\n \u0130\u015flenebilirlik, kaynaklanabilirlik, y\u00fczey i\u015fleme<\/strong><\/p>\n Bunlar s\u00f6zde teknolojidir, paslanmaz \u00e7eli\u011fin ekipman imalat s\u00fcrecine uyum sa\u011flama yetene\u011fidir, \u00f6rne\u011fin: \u015fekil, boyut, hassasiyet, p\u00fcr\u00fczs\u00fczl\u00fck vb. i\u015flendikten sonra; Kaynak y\u00f6ntemi.<\/p>\n Asitlere ve oksidasyona kar\u015f\u0131 iyi direnci belirlemek i\u00e7in paslanmaz \u00e7eli\u011fin bile\u015fimine dikkat etmek \u00f6nemlidir. Bu ala\u015f\u0131m\u0131n d\u00fc\u015f\u00fck karbonlu malzeme ile iyi bir kombinasyonu, m\u00fckemmel korozyon direnci ve yabanc\u0131 maddelere kar\u015f\u0131 m\u00fckemmel diren\u00e7 kombinasyonu ile sonu\u00e7lanacakt\u0131r. Ortaya \u00e7\u0131kan kombinasyon, y\u00fcksek ala\u015f\u0131ml\u0131 ostenitik anlam\u0131na gelen 904L olarak adland\u0131r\u0131lm\u0131\u015ft\u0131r. Bu ala\u015f\u0131mla, yaln\u0131zca sa\u011flam bir makine de\u011fil, ayn\u0131 zamanda her t\u00fcrl\u00fc y\u00fczeyi kesebilme yetene\u011fi de garanti edilir.<\/p>\n