Abstract
In situ synthesized VC–VB particles reinforced Fe-based composite coatings were produced by laser beam melting mixture of ferrovanadium (Fe–V) alloy, boron carbide (B4C), CaF2 and Fe-based self-melting powders. The results showed that VB particles with black regular and irregular blocky shape and VC with black flower-like shape were uniformly distributed in the coatings. The type, amount, and size of the reinforcements were influenced by the content of FeV[Formula: see text]40 and B4C powders. Compared to the substrate, the hardness and wear resistance of the composite coatings were greatly improved.
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