Effects of annealing treatment and pre-refinement of raw material on microstructures and properties of mechanically alloyed Cr-Al composite coatings on Ti-6Al-4V alloy
Mechanical alloying method was applied to form Cr–Al coatings.
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Annealing treatment was applied to improve the properties of the coating.
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Coating with highly homogenized structure was prepared with refined Cr particles.
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Wear and oxidation resistance of the coatings were investigated.
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The coating could effectively protect the substrate.
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