Low Temperature Nitriding of a Martensitic Stainless Steel

被引：1

作者：

Karadas, Riza ^{[1
]}

Celik, Ozgur ^{[1
]}

Cimenoglu, Huseyin ^{[1
]}

机构：

[1] Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Maslak, Turkey

来源：

DIFFUSION IN SOLIDS AND LIQUIDS VI, PTS 1 AND 2 | 2011年 / 312-315卷

关键词：

Martensitic stainless steel; nitriding; wear; corrosion;

D O I：

10.4028/www.scientific.net/DDF.312-315.994

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, AISI 420 grade martensitic stainless steel was subjected to low temperature gas nitriding in a fluidized bed reactor. Penetration of nitrogen into the steel produced a CrN free surface layer (about 15 mu m thick) consisted of iron nitride (epsilon and gamma') and expanded martensite (alpha(N)). Formation of this surface layer accompanied not only by remarkable increase in the surface hardness, but also caused significant improvement in wear and corrosion resistances.

引用

页码：994 / 999

页数：6

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