Research of Al2O3 influences on the abrasion resistance of E-coatings on magnesium alloy
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Abstract:
The cathodic electrodeposition coatings(E-coatings) with silane modifying ceramics are prepared on magnesium alloy for improving the abrasion resistance of organic E-coating. Hardness, adhesion, corrosion resistance, circle-drawing method and abrasion resistance are evaluated by pencil hardness, UMT abrasion test system, and Machu test. The results show that the abrasion resistance and hardness of E-coatings are enhanced by adding Al2O3 ceramic powders. Meanwhile, corrosion resistance and adhesion of E-coatings remain unchanged.
