Friction Stir Welding of 7075-T651 Aluminum Plates and Its Fatigue Crack Growth Property

被引：2

作者：

Kim, Chi Ok ^{[1
]}

Sohn, Hye Jeong ^{[1
]}

Kim, Seon Jin ^{[2
]}

机构：

[1] Pukyong Natl Univ, Grad Sch, Dept Mech Design Engn, Busan, South Korea

[2] Pukyong Natl Univ, Dept Mech & Automot Engn, Busan, South Korea

来源：

TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS A | 2011年 / 35卷 / 10期

关键词：

Friction Stir Welding; Rotation Speed; Travelling Speed; Fatigue Crack Growth; Crack Driving Force;

D O I：

10.3795/KSME-A.2011.35.10.1347

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Friction stir welding (FSW) method has extensively been used in manufacturing methods because of the several advantages over conventional welding methods, such as better mechanical properties, reduced occurrence of joining defects, high material saving, and low production time, etc. The aim of this paper is to review the optimal FSW conditions using the previous experimental results and is to investigate the fatigue crack growth rate in three different zones, WM, HAZ and BM for FSWed Al7075-T651 aluminum plates. As far as our experiments are concerned, the optimal conditions are obtained as rotation speed, 800rpm and travelling speed, 0.5mm/sec. The fatigue crack growth rate showed strong dependency on three different zones WM, HAZ and BM, and crack driving force.

引用

页码：1347 / 1353

页数：7

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