Microstructure and wear behavior of a porous nanocrystalline nickel-free austenitic stainless steel developed by powder metallurgy

被引：32
|
作者：
Salahinejad, E. [1 ]
Amini, R. [2 ]
Marasi, M. [1 ]
Hadianfard, M. J. [1 ]
机构：
[1] Shiraz Univ, Sch Engn, Dept Mat Sci & Engn, Shiraz 7134851154, Iran
[2] Shiraz Univ Technol, Dept Mat Sci & Engn, Shiraz 3619995161, Iran
来源：
MATERIALS & DESIGN | 2010年 / 31卷 / 04期
关键词：
HIGH-NITROGEN; MECHANICAL-PROPERTIES; SLIDING WEAR; BIOMEDICAL APPLICATIONS; CORROSION BEHAVIOR;
D O I：
10.1016/j.matdes.2009.10.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper investigates the microstructure and dry sliding wear characteristics of a porous Cr-Mn-N austenitic stainless steel prepared by powder metallurgy. The densification of the mechanically alloyed 18Cr-8Mn-0.9N stainless steel powder is performed by sintering at 1100 degrees C for 20 h and subsequently water-quenching. This procedure gives rise to the development of a nanostructured austenitic stainless steel with a relative density of 85%. The porous biocompatible stainless steel exhibits an outstanding wear resistance compared with AISI 316L stainless steel samples. This is attributed to its considerable intrinsic hardness and its specific configuration of pores. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2259 / 2263
页数：5
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