Number Modeling of Forming Behavior for Al-Based Coating on Magnesium Alloy Fabricated by Supersonic Particles Deposition

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Abstract:

The forming behavior of Al-Si coating on magnesium alloy fabricated by supersonic particles deposition was investigated by numerical stimulation. The results indicated that the later deposited particles generated horizontal spread effect at interface and interlocked mechanically with metal jet produced by the former deposited particles, which promoted the formation of mechanical bonding of Al-Si coating. Temperature of deposited particles at bottom of Al-Si coating was higher obviously than that on the top layer, the maximum value was about 498°C at the collision contacting points among deposited particles at bottom of the coating, which would promote metallic bonding and physical bonding, proved that magnesium alloy and Al-Si particles were matched pair suited for supersonic particles deposition.

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23-26

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July 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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