CHARACTERISTICS OF AA7075-T6 AND AA6061-T6 FRICTION WELDED JOINTS

被引：4

作者：

Rengarajan, Sathish ^{[1
]}

Rao, Vaddi Seshagiri ^{[2
]}

机构：

[1] SCSVMV Univ, Kanchipuram, India

[2] St Josephs Coll Engn, Dept Mech Engn, Madras, Tamil Nadu, India

来源：

TRANSACTIONS OF THE CANADIAN SOCIETY FOR MECHANICAL ENGINEERING | 2015年 / 39卷 / 04期

关键词：

aluminum alloys; friction pressure; upset pressure; microstructure; PARAMETERS; MICRO; LASER;

D O I：

10.1139/tcsme-2015-0067

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this experimental study dissimilar materials of AA6061-T6 and AA7075-T6 having distinctive difference in physical and thermal properties were welded using continuous direct drive friction welding. High strength was achieved by high friction, upset pressure, low burn off length and medium rotational speed. Mechanical characterization and Micro structural behavior of the joint were given the paramount importance in this experimental analysis. The macro structure indicates that change in the direction of flow of grains perpendicular to the initial grain direction of the parent metal. Also the micro structural analysis at the interface zone showed the presence of eutectic particles that are formed as fragmented agglomerates.

引用

页码：845 / 854

页数：10

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