Fatigue strength improvement by peening treatment in degassing processed cast aluminum alloys

被引：3
|
作者：
Ochi, Yasuo [1 ]
Masaki, Kiyotaka
Matsumura, Takashi
Kumagai, Yohei
Hamaguchi, Tatsuhiko
Sano, Yuji
机构：
[1] Univ Electrocommun, Dept Mech Engn & Intelligent Syst, Tokyo 1828585, Japan
[2] Univ Electrocommun, Grad Sch, Tokyo 1828585, Japan
[3] Aisin Takaoka Corp, Aluminum Dev Div, Toyota, Aichi 4730934, Japan
[4] Toshiba Co Ltd, Power & Ind Syst Res & Dev Ctr, Kanagawa 2358523, Japan
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 25-27期
关键词：
fatigue strength; shot peening; laser peening; degassing process; cast aluminum alloy;
D O I：
10.1142/S0217979206040040
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Rotating bending fatigue tests were carried out in order to investigate effects of shot peening and laser peening treatment on fatigue properties of degassing processed cast aluminum alloys. Degassing was useful for decreasing cast defects and increasing the range of fatigue life and fatigue strength at 10(7) cycles compared with those of non-degassed cast alloys. The shot peening and the laser peening treatments also showed remarkable effects for increasing the resistance of crack propagation behaviors and improving the fatigue strength of the degassing processed cast aluminum alloys.
引用
收藏
页码：3593 / 3598
页数：6
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