[1]谢 飞.奥氏体不锈钢离子渗氮层相结构与性能研究[J].常州大学学报(自然科学版),2004,(03):1-4.
 XIE Fei.Study of Phase Structures and Properties of Plasma Nitrided Austenitic Stainless Steel[J].Journal of Changzhou University(Natural Science Edition),2004,(03):1-4.
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奥氏体不锈钢离子渗氮层相结构与性能研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2004年03期
页码:
1-4
栏目:
出版日期:
2004-09-25

文章信息/Info

Title:
Study of Phase Structures and Properties of Plasma Nitrided Austenitic Stainless Steel
作者:
谢 飞
江苏工业学院材料科学与工程系, 江苏 常州 213016
Author(s):
XIE Fei
Department of Materials Science and Engineering , J iangsu Polytechnic University , Changzhou 213016 , Chi2 na
关键词:
不锈钢 离子渗氮 相结构 性能
Keywords:
austenitic stainless steel plasma nit riding phase st ructure property
分类号:
TG 174.453 ; TG 174.444 ; TG 156.82
文献标志码:
A
摘要:
对1Cr18Ni9Ti 奥氏体不锈钢进行离子渗氮处理, 研究不同渗氮条件下渗氮层的相结构与性能。结果表明: 1Cr18Ni9Ti 不锈钢离子渗氮时, 钢中Cr 与氮反应仅形成CrN , 而非Cr2N ; 伴随CrN 的形成, 渗层原奥氏体转变为马氏体。经V (N2) ∶V (H2) 为1∶9 及1∶3 气氛氮化, 渗氮层韧性很高; 当气氛V (N2) ∶V (H2) 达3∶1 时, 形成大量γ′、ε相, 渗层韧性剧减; 气 氛V (N2) ∶V (H2) 为1∶3 时, 耐磨性最佳。
Abstract:
Plasma nitriding was employed for 1Cr18Ni9Ti austenitic stainless steel (ASS) . Phase st ructures and properties of the nit rided layers at different nit riding atmospheres were investigated. It is shown that the chromium nit ride in the nit rided layers on all occasions is CrN rather than Cr2N. The surface layer′s austenite has t ransformed to martensite with the formation of CrN. When V (N2 ) ∶V ( H2 ) in the nit riding atmo2 sphere is 1∶9 or 1∶3 , the nit rided layer has very high toughness. When V (N2 ) ∶V ( H2 ) is 3∶1 , large amount s ofγ′andεnit rides appear. Thus the nit rided layer′s toughness decreases dramatically. When V (N2) ∶V (H2) is 1∶3 , the nit rided layer has the best wear resistance.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 谢飞(1964 - ) , 男, 上海人, 博士, 主要从事新材料与新材料表面工程方面的研究。
更新日期/Last Update: 2004-09-25