Glow discharge plasma nitriding of AISI 304 stainless steel

被引：9
|
作者：
Qayyum, A. [1 ]
Naveed, M. A.
Zeb, S.
Murtaza, G.
Zakaullah, M.
机构：
[1] Natl Tokamakak Fus Program, Islamabad, Pakistan
[2] Quaid I Azam Univ, Dept Phys, Islamabad 45320, Pakistan
[3] Govt Coll Univ, Salam Chair Phys, Lahore 54000, Pakistan
来源：
PLASMA SCIENCE & TECHNOLOGY | 2007年 / 9卷 / 04期
关键词：
optical diagnostics; plasma nitriding; austenitic stainless steel;
D O I：
10.1088/1009-0630/9/4/18
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Glow discharge plasma nitriding of AISI 304 austenitic stainless steel has been carried out for different processing time under optimum discharge conditions established by spectroscopic analysis. The treated samples were analysed by X-ray difrraction (XRD) to explore the changes induced in the crystallographic structure. The XRD pattern confirmed the formation of an expanded austenite phase (gamma N) owing to incorporation of nitrogen as an interstitial solid solution in the iron lattice. A Vickers microhardness tester was used to evaluate the surface hardness as a function of indentation depth (mu m). The results showed clear evidence of surface changes with substantial increase in surface hardness.
引用
收藏
页码：463 / 468
页数：6
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