Fatigue behavior of high-pressure die-cast magnesium alloys

被引：0
|
作者：
Bar-Yosef, O. [1 ]
Nagar, N. [1 ]
Gertsberg, G. [1 ]
Moscovitch, N. [1 ]
Ramati, S. [1 ]
Bronfin, B. [1 ]
机构：
[1] Dead Sea Magnesium Ltd, Magnesium Res Inst, Beer Sheva, Israel
来源：
MAGNESIUM TECHNOLOGY 2006, PROCEEDINGS | 2006年
关键词：
fatigue properties; porosity; shoot peening; Goodman diagram;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Die-casting magnesium alloys offer excellent opportunities for achieving high performance, low weight, cost-efficient, and fully recyclable solutions to complex engineering design challenges. Magnesium alloys that are being widely used in safety-related parts and other applications are mainly subjected to complicated repetitive or fluctuating dynamic stresses at service conditions. Thus, the fatigue behavior that, to large degree, depends on the component soundness and particularly its surface condition is becoming one of the crucial factors that may pave the way for expanding magnesium alloy applications in the automotive industry. The present paper addresses fatigue behavior of AM50A and AZ91D magnesium alloys and the effects of porosity and surface condition. These were varied by alteration of HPDC parameters and applying shot peening treatment, respectively. The effect of the above parameters on the fatigue life is discussed in terms of the Goodman diagram.
引用
收藏
页码：401 / +
页数：2
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