Surface layer condition and the fatigue strength of an AZ91 alloy after ball peening

被引：12
|
作者：
Korzynski, Mieczyslaw [1 ]
Zarski, Tomasz [1 ]
Korzynska, Katarzyna [2 ]
机构：
[1] Rzeszow Univ, Fac Math & Nat Sci, Inst Technol, PL-35959 Rzeszow, Poland
[2] Rzeszow Univ Technol, Mech Engn & Aeronaut Fac, PL-35959 Rzeszow, Poland
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2011年 / 211卷 / 12期
关键词：
Fatigue strength limit; Ball peening; Surface layer properties; Surface texture; MAGNESIUM; AZ80;
D O I：
10.1016/j.jmatprotec.2011.06.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work compares the states of the surface textures and the oscillatory fatigue strengths of specimens made of an AZ91 alloy after turning and dynamic bearing ball peening. It was found that the specimens ball peened at different time have similar surface geometric structure parameters but different strengthening intensity. It was shown that fatigue strength follows greater peening intensity and random and isotropic surface. It was also ascertained that improving (by peening) the condition of the surface layer means enhancing fatigue strength by 20-87% compared with turning. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1982 / 1988
页数：7
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