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Indexed by:期刊论文

Date of Publication:2013-03-01

Journal:China welding

Included Journals:EI、Scopus

Volume:22

Issue:1

Page Number:21-26

Abstract:Adhesive is used in the laser weld bonding Mg to Al alloys process, in order to improve the property of laser welding joint. The effect of adhesive on the microstructures in laser weld bonding AZ31B Mg alloy to 6061Al alloy are observed by scanning electron microscopy and transmission electron microscope. The results show that the decomposition of the adhesive makes influence on the crystal structure of the Mg fusion zone, which forms the C-Mn precipitates. The morphology of Mg-Al intermetallics is changed, when the adhesive decomposition gas bubble floats out of the fusion zone. Dislocations are formed at the bottom of Al fusion zone with the effect of adhesive decomposition and pulse laser power. ? 2013 Editorial Board of CHINA WELDING.