The Effects of Annealing Treatment Temperatures on Mechanical Performance of Aluminum-Coated Magnesium Composite plates

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Abstract:

Aluminum-coated magnesiumcomposite plates were fabricated by clad-rolling, then diffusion annealingtreated at 200°C, 250°C, 300°C, 350°C for 1h . The mechanicalperformance of aluminum-coated magnesium composite plates was investigated bythe test of tensile behavior. The best tensile strength and elongation wasfound at 250°C, 148.3Mpa and 6.48%.The changesof microstructure were investigated by metallographic microscope and scanningelectronic microscope. It was found that theinterface intermetallic compounds generated great influence to the interface bondingperformance because of its brittleness andthickness.

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345-349

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May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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