{"id":2114,"date":"2021-03-09T09:03:34","date_gmt":"2021-03-09T09:03:34","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2114"},"modified":"2021-03-09T12:46:29","modified_gmt":"2021-03-09T12:46:29","slug":"whats-18ni-maraging-steel","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/whats-18ni-maraging-steel\/","title":{"rendered":"18Ni Maraging \u00e7eli\u011fi nedir?"},"content":{"rendered":"

Maraging \u00e7eli\u011fi, ultra y\u00fcksek mukavemetli bir \u00e7elik t\u00fcr\u00fcd\u00fcr; matris olarak karbonsuz veya ultra d\u00fc\u015f\u00fck karbonlu Fe-Ni Martensit bazl\u0131d\u0131r ve metal bile\u015fiklerinin \u00e7\u00f6kelmesini ve sertle\u015fmesini sa\u011flar. 1400, 1700 ve 1900 MPa akma dayan\u0131m\u0131na sahip Maraging \u00e7elik s\u0131n\u0131flar\u0131 18Ni(200), 18Ni(250) ve 18Ni(300) \u00e7elikleri, INCO taraf\u0131ndan Fe-Ni Martensitik i\u00e7erisine farkl\u0131 Co, Mo ve Ti i\u00e7erikleri eklenerek elde edildi. Ya\u015fland\u0131rma sertle\u015ftirmesi yoluyla ala\u015f\u0131m. 18Ni(200) ve 18Ni(250) \u00e7elikler<\/a> \u0130lk olarak roket motorunun kabu\u011funa veya ultra y\u00fcksek mukavemete ihtiya\u00e7 duyulan baz\u0131 \u00f6zel gereksinimlere uyguland\u0131. Maraging \u00e7eli\u011finin g\u00fcc\u00fc karbondan de\u011fil, intermetalik bile\u015fiklerin \u00e7\u00f6kelmesinden gelir. AISI 18Ni \u00e7eli\u011fi, Maraging \u00e7eli\u011finin temsili kalitesidir. \u00c7eli\u011fin \u00e7ekme mukavemeti \u015fu \u015fekilde ayr\u0131labilir:<\/p>\n\n\n\n\n\n\n\n
AISI<\/strong><\/td>\nSeviye<\/strong><\/td>\nBM<\/strong><\/td>\nB\u00fcy\u00fck Britanya<\/strong><\/td>\n<\/tr>\n
18Ni(200)<\/td>\nMaraging 200<\/td>\nK92810<\/td>\n00Ni18Co8Mo3TiAl<\/td>\n<\/tr>\n
18Ni(250)<\/td>\nMaraging 250<\/td>\nK92890<\/td>\n00Ni18Co8Mo5TiAl<\/td>\n<\/tr>\n
18Ni(300)<\/td>\nMaraging 300<\/td>\nK93120<\/td>\n00Ni18Co9Mo5TiAl<\/td>\n<\/tr>\n
18Ni(350)<\/td>\nMaraging 350<\/td>\nK93160<\/td>\n00Ni18Co12Mo4Ti2Al<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

18Ni Maraging \u00e7eli\u011finin kimyasal bile\u015fimi (MIL-S-46850D)<\/h3>\n\n\n\n\n\n\n\n
Notlar<\/strong><\/td>\nC<\/strong><\/td>\nSi<\/strong><\/td>\nMn<\/strong><\/td>\nP<\/strong><\/td>\nS<\/strong><\/td>\nNi<\/strong><\/td>\nortak<\/strong><\/td>\nAy<\/strong><\/td>\nTi<\/strong><\/td>\nAl<\/strong><\/td>\n<\/tr>\n
200. S\u0131n\u0131f<\/td>\n\u22640,03<\/td>\n\u22640,10<\/td>\n\u22640,10<\/td>\n\u22640,01<\/td>\n\u22640,01<\/td>\n17.0~19.0<\/td>\n8.0~9.0<\/td>\n3.0~3.5<\/td>\n0.15~0.25<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
250. S\u0131n\u0131f<\/td>\n\u22640,03<\/td>\n\u22640,10<\/td>\n\u22640,10<\/td>\n\u22640,01<\/td>\n\u22640,01<\/td>\n17.0~19.0<\/td>\n7.0~8.5<\/td>\n4.6~5.2<\/td>\n0.3~0.5<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
300. S\u0131n\u0131f<\/p>\n

&300A<\/td>\n

\u22640,03<\/td>\n\u22640,10<\/td>\n\u22640,10<\/td>\n\u22640,01<\/td>\n\u22640,01<\/td>\n18.0~19.0<\/td>\n8.5~9.5<\/td>\n4.6~5.2<\/td>\n0.5~0.8<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
350. S\u0131n\u0131f<\/td>\n\u22640,03<\/td>\n\u22640,10<\/td>\n\u22640,10<\/td>\n\u22640,01<\/td>\n\u22640,01<\/td>\n18.0~19.0<\/td>\n11.5~12.5<\/td>\n4.6~5.2<\/td>\n1.3~1.6<\/td>\n0.05~0.15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kat\u0131 \u00e7\u00f6zeltiden sonra 18Ni \u00e7elik<\/a> 28~30HRC sertli\u011fe sahip ultra d\u00fc\u015f\u00fck karbonlu Martensit olu\u015fturur. Ya\u015fland\u0131rma i\u015fleminden sonra \u00e7e\u015fitli metalleraras\u0131 bile\u015fiklerin \u00e7\u00f6z\u00fcnmesi ve \u00e7\u00f6kelmesi nedeniyle ya\u015flanma sertle\u015fmesine u\u011frar. Sertlik 50HRC'ye kadar \u00e7\u0131kabilir. 18Ni \u00e7eli\u011fin m\u00fckemmel \u00f6zelli\u011fi, ultra y\u00fcksek mukavemet ve y\u00fcksek sertlik ko\u015fullar\u0131nda hala iyi toklu\u011fa ve y\u00fcksek k\u0131r\u0131lma toklu\u011funa sahip olmas\u0131d\u0131r. Ayn\u0131 zamanda, so\u011fuk sertle\u015fme olmadan, k\u00fc\u00e7\u00fck ya\u015flanma \u0131s\u0131l i\u015flem deformasyonu, iyi kaynak performans\u0131, metal y\u00fczey nitr\u00fcrleme i\u015flemi olabilir.<\/p>\n

18Ni maraging \u00e7eli\u011fi, y\u00fcksek mukavemet ve sertli\u011fin, iyi tokluk ve plastisitenin m\u00fckemmel bir birle\u015fimidir. Havac\u0131l\u0131k, havac\u0131l\u0131k, hassas kal\u0131p ve roket motoru kabu\u011fu, f\u00fcze kabu\u011fu, uranyum izotop santrif\u00fcj\u00fc y\u00fcksek h\u0131zl\u0131 d\u00f6nen silindir ve malzemenin di\u011fer y\u00fcksek hassasiyetli y\u00fck ta\u015f\u0131yan par\u00e7alar\u0131 gibi di\u011fer end\u00fcstriyel alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2080,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2114","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\/2114","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=2114"}],"version-history":[{"count":1,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2114\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2114\/revisions\/2115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/2080"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=2114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=2114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=2114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}