Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 68, Issue 1-4, Pages 277-292Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-013-4728-0
Keywords
AZ61A magnesium alloy; Friction stir welding; Design of experiments; Response surface methodology; Optimization; Tensile strength
Funding
- University Grants Commission (UGC), New Delhi
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This paper deals with the development of an empirical relationship to predict tensile strength of friction stir welded AZ61A magnesium alloy. The process parameters such as tool rotational speed, welding speed, axial force and tool pin profile play a major role in deciding the tensile strength. The response surface method (RSM) was used to develop the empirical relationship. The four-factor, five-level central composite design was used to minimize the number of experimental conditions. The developed empirical relationship can be effectively used to predict tensile strength of friction stir welded AZ61A magnesium alloy joints at 95 % confidence level.
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