Dry Sliding Wear Characteristics of Gravity Die-Cast Magnesium Alloys

被引：22
|
作者：
Poddar, Palash [1 ]
Das, Arpan [2 ]
Sahoo, K. L. [1 ]
机构：
[1] CSIR, Met Extract & Forming Div, Natl Met Lab, Jamshedpur 831007, Bihar, India
[2] CSIR, Mat Sci & Technol Div, Natl Met Lab, Jamshedpur 831007, Bihar, India
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2014年 / 45A卷 / 04期
关键词：
TENSILE PROPERTIES; MATRIX COMPOSITES; CREEP-BEHAVIOR; MG ALLOYS; SN ALLOYS; MICROSTRUCTURE; PERFORMANCE; SUBSURFACE; MECHANISM;
D O I：
10.1007/s11661-013-2146-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper deals with the wear behavior of conventional cast Mg-Sn-based alloys. The alloys were studied through pin-on-disk wear test under four different loading conditions; namely, 9.8, 19.6, 29.4, and 39.2 N. The study highlights the cumulative wear loss, volumetric wear loss, dry sliding wear rate, and coefficient of friction of the alloys. The volumetric wear increased with increasing applied load. The wear mechanism was studied with scanning electron microscope. The wear occurs mainly by plowing mechanism and also by delamination. During wear, extensive plastic deformation and work hardening occurred. Microstructural analysis has been carried out for all the alloys at different loading conditions. (C) The Minerals, Metals & Materials Society and ASM International 2013
引用
收藏
页码：2270 / 2283
页数：14
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