Fracture Toughness of Friction Stir-Welded Lap Joints of Aluminum Alloys

被引：6

作者：

Kulekci, M. Kemal ^{[1
]}

Sevim, Ibrahim ^{[2
]}

Esme, Ugur ^{[1
]}

机构：

[1] Mersin Univ, Tarsus Tech Educ Fac, Dept Mech Educ, TR-33480 Tarsus, Turkey

[2] Mersin Univ, Fac Engn, Dept Mech Engn, TR-33343 Ciftlikkoy, Mersin, Turkey

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2012年 / 21卷 / 07期

关键词：

fatigue; fracture toughness; friction stir welding; friction welding; PARAMETERS; TOOL;

D O I：

10.1007/s11665-011-0017-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of this study is to determine the fracture toughness of friction stir-welded (FSW) lap joints of aluminum alloys. FSW lap joints of AA 2014 and AA 6063 aluminum alloy plates were performed on a conventional semiautomatic milling machine. FSW lap joints were produced on alloy plates. Fracture toughness of FSW lap joints were calculated from the results of tensile shearing tests. New empirical equations were developed for fracture toughness and energy release rate based on the relation between the hardness and fracture toughness values. Fracture toughness of FSW lap joints increases exponentially as the hardness reduces. The results of the experiments showed that the amount of Si content in Al alloys affects the fracture toughness of the FSW lap joints.

引用

页码：1260 / 1265

页数：6

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