Electroless Ni-La-P Coatings on 2024 Aluminum Alloys for Aircraft Structure

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2024 aluminium alloys are widely used in airframe construction.However,this series of alloys are susceptible to corrosion to limit their usefulness,In this study,electroless Ni-La-P alloy plating on aluminum alloy and the effects of pH value,temperature and concentration of LaNiO3 on deposition rate were investigated.Surface morphology and corosion-resistant of the electroless Ni-La-P deposits were evaluated.The results showed the corrosion-resistant in 5% NaC1 solutions obviously enhance compared with original aluminum alloy using electroless Ni-La-P deposition method.

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348-351

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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