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Abstract：
This paper reports a study on the effect of heat input on themicrostructure and mechanical properties of dissimilar aluminiumalloys joint by MIGwelding. The two alloys used are 6N01S-T5 and 7N01P-T4. The 6N01S-T5 alloy exhibited two distinctive sub-zones within its heat affected zone, with the one adjacent to the unaffected parent alloy being theweakest during tensile deformation. The remarkable reduction in themechanical properties in the weakest region is attributed to the transformation of the precipitates upon welding from smaller sized beta ＇＇ and beta＇ precipitates with strong strengthening effect to larger sized beta precipitate. The 7N01P-T4 alloy exhibited nucleation of new grains, dissolution of precipitate, and loss of strength in the heat affect zone. (C) 2015 Elsevier Ltd. All rights reserved.
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MATERIALS & DESIGN
ISSN： 0264-1275
Year： 2016
Volume： 90
Page： 230-237
8 . 4 0 0
JCR@2022
ESI Discipline： MATERIALS SCIENCE;
ESI HC Threshold：305
CAS Journal Grade：2
Cited Count：
WoS CC Cited Count： 28
SCOPUS Cited Count： 32
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
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