EVALUATION OF THE MECHANICAL STRENGTH OF WELDED JOINTS BY SFA AND GTAW PROCESS OF MAGNESIUM ALLOY AZ31B

被引：0
|
作者：
Arnaldo Avila, Julian [1 ,2 ,3 ]
Jaramillo Suarez, Hector Enrique [2 ]
Franco Arenas, Fernando [3 ,4 ]
机构：
[1] Univ Autonoma Occidente, Ingn Mat, Cali, Colombia
[2] Univ Autonoma Occidente, Grp Invest Ciencia & Ingn Mat, Cali, Colombia
[3] Univ Valle, Grp Invest Mat Compuestos, Cali, Colombia
[4] Univ Valle, Escuela Ingn Mat, Cali, Colombia
来源：
HOMBRE Y LA MAQUINA | 2010年 / 35期
关键词：
stirring-friction agitation welding; Mg AZ31B alloy; fractographic; strength;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper present the results of the evaluation of mechanical behavior of magnesium alloy welded joints AZ31B using stirring-friction agitation welding (SFA) and GTAW, to the assessment of the tensile strength and microhardness of welded joints, made an analysis of explanatory type of correlation with changes in microstructure, grain sizes present in different zones, and quality defects, further fractographic analysis was performed to determine the cause of failure in welded specimens and tested. The results showed a higher tensile strength of welded joints for GTAW, compared with SFA joins.
引用
收藏
页码：166 / 171
页数：6
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