Effect of post-weld heat treatment on dissimilar friction stir welded AA6063 and A319 aluminium alloys
作者： M. Krishnan , K. Marimuthu
DOI: 10.3139/146.111054
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摘要: Abstract The effects of post-weld heat treatment at a solution temperature 540 °C for 5 hrs 30 mins followed by ageing 190 6 on microstructure and mechanical properties friction stir welded dissimilar aluminium alloys A319 AA6063 have been examined. Post-weld results in improved properties. effect the morphology second phase particles silicon, copper iron zone has studied. hardness both as-welded was found to be lower than that but higher base metal. Microstructural studies reveal dominates zone.
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