Abstract
This experiment studied essential parameters for dissimilar diffusion bonding of SSM- ADC12 Al Alloy to SSM 6063 Al Alloy and the mechanism of diffused elements. This experiment indicated that 776 K for bonding temperature and 150 min for bonding time were suitable for welding this material because the bond line is complete. No physical deformation and no defects from welding were identified. The concentration of Si elements matrix composition diffused from 11.88 %wt to 8 %wt on SSM-ADC12 Al Alloy to SSM 6063 Al Alloy with a diffusion distance of 7.577 mm. The hardness was significantly increased by heat, stress compressive, and Mg2Si intermetallic precipitation in the solid solution for 110.72 HV from SSM-ADC12 Al Alloy and 76.10 HV from SSM 6063 Al Alloy.
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