Microstructure and mechanical properties of friction stir welded AA6063–B4C metal matrix composites
作者： X.-G. Chen , M. da Silva , P. Gougeon , L. St-Georges
DOI: 10.1016/J.MSEA.2009.04.052
关键词:
摘要: Abstract The weldability, microstructure evolution and mechanical properties of an AA6063 aluminium alloy two composites with matrix reinforced 6 10.5 vol.% B4C during friction stir welding are investigated. A joint efficiency higher than 60% was obtained increased to over 80% after artificial ageing. particles size shape were not affected by the process particle distribution in kept uniform weld zone. Evolution grain structure from coarse grains base material refined, equiaxed centre is described. microhardness profiles various concentration materials measured both as-weld conditions post-weld heat treatments. Other changes Al–B4C MMCs treatment also reported.
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