Effect of cathodic cage size on plasma nitriding of AISI 304 steel

被引:41
|
作者
Naeem, M. [1 ]
Shafiq, M. [1 ]
Zaka-ul-Islam, M. [2 ]
Nawaz, Naila [1 ]
Diaz-Guillen, J. C. [3 ]
Zakaullah, M. [1 ]
机构
[1] Quaid I Azam Univ, Dept Phys, Islamabad 45320, Pakistan
[2] Jazan Univ, Dept Phys, Fac Sci, Jazan 45142, Saudi Arabia
[3] Mexican Corp Mat Res, Saltillo, Coahuila, Mexico
关键词
Plasma nitriding; Surfaces; Indentation and hardness; Phase transformation; Corrosion; AUSTENITIC STAINLESS-STEEL; SCREEN; 304-STAINLESS-STEEL; TEMPERATURE; PRESSURE; BEHAVIOR; SAMPLE;
D O I
10.1016/j.matlet.2016.05.144
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The aim of this work is to investigate the influence of cathodic cage size on active screen plasma nitriding of AISI 304 stainless steels. The specimens are nitrided in fixed processing conditions while using CC with diameters of 13, 15, 17, 19 and 21 cm. The surface morphology, compound layer thickness and elemental composition, phase composition, hardness profile and corrosion resistance of the processed specimens is assessed. The results show that when the CC diameter is reduced, surface hardness profile and corrosion resistance significantly improve, while iron nitrides (Fe2-3N, Fe4N) are formed along with the expanded austenite phase (gamma(N)). (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:78 / 81
页数:4
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