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Optimization of process parameters to maximize ultimate tensile strength of friction stir welded dissimilar aluminum alloys using response surface methodology 被引量:6

Optimization of process parameters to maximize ultimate tensile strength of friction stir welded dissimilar aluminum alloys using response surface methodology
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摘要 Aluminium alloys generally present low weldability by traditional fusion welding process. Development of the friction stir welding (FSW) has provided an alternative improved way of producing aluminium joints in a faster and reliable manner. The quality of a weld joint is stalwartly influenced by process parameter used during welding. An approach to develop a mathematical model was studied for predicting and optimizing the process parameters of dissimilar aluminum alloy (AA6351 T6-AA5083 Hlll)joints by incorporating the FSW process parameters such as tool pin profile, tool rotational speed welding speed and axial force. The effects of the FSW process parameters on the ultimate tensile strength (UTS) of friction welded dissimilar joints were discussed. Optimization was carried out to maximize the UTS using response surface methodology (RSM) and the identified optimum FSW welding parameters were reported. Aluminium alloys generally present low weldability by traditional fusion welding process.Development of the friction stir welding(FSW)has provided an alternative improved way of producing aluminium joints in a faster and reliable manner.The quality of a weld joint is stalwartly influenced by process parameter used during welding.An approach to develop a mathematical model was studied for predicting and optimizing the process parameters of dissimilar aluminum alloy(AA6351 T6 AA5083 H111)joints by incorporating the FSW process parameters such as tool pin profile,tool rotational speed welding speed and axial force.The effects of the FSW process parameters on the ultimate tensile strength(UTS)of friction welded dissimilar joints were discussed.Optimization was carried out to maximize the UTS using response surface methodology(RSM)and the identified optimum FSW welding parameters were reported.
出处 《Journal of Central South University》 SCIE EI CAS 2013年第11期2929-2938,共10页 中南大学学报(英文版)
关键词 frictions stir welding dissimilar aluminum alloy tool pin profile design of experiments RSM material flow behavior OPTIMIZATION 优化工艺参数 摩擦搅拌焊接 极限拉伸强度 响应曲面法 异种接头 铝合金 搅拌摩擦焊 焊接工艺参数
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