Feasibility of joining AZ31B magnesium metal matrix composite by friction welding

被引：19
|
作者：
Srinivasan, M. [1 ]
Loganathan, C. [2 ]
Balasubramanian, V. [3 ]
Nguyen, Q. B. [4 ]
Gupta, M. [4 ]
Narayanasamy, R. [5 ]
机构：
[1] Saranathan Coll Engn, Dept Mech Engn, Tiruchirappalli 620012, Tamil Nadu, India
[2] St Jospehs Coll Engn & Technol, Thanjavur 613403, Tamil Nadu, India
[3] Annamalai Univ, Ctr Mat Joining & Res, Chidambaram 608002, Tamil Nadu, India
[4] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore
[5] Natl Inst Technol, Dept Prod Engn, Tiruchirappalli 620015, Tamil Nadu, India
来源：
MATERIALS & DESIGN | 2011年 / 32卷 / 03期
关键词：
MICROSTRUCTURE; STEEL; ALLOY; SIZE;
D O I：
10.1016/j.matdes.2010.09.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present study investigates the feasibility of joining AZ31B magnesium nanocomposites by rotational friction welding. The AZ31B magnesium metal matrix composite, which was reinforced with alumina (Al2O3, average particle size of 50 nm) and calcium (Ca), was produced by a hybrid casting process and hot extruded at 350 degrees C. joining processes were done by varying the friction welding parameters. The integrity of the joints was investigated by optical microscopy. The mechanical properties of the joints were examined by tension tests and micro hardness tests. The efficiencies of the joints were analysed using statistical analysis. The fracture mode was studied using a scanning electron microscope. It was observed that as the friction pressure and forging pressure increased, the joint efficiency increased. Also, as the friction time increased, the efficiency of the joint decreased. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1672 / 1676
页数：5
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