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Wear-Resistant Carbon-Fiber-Reinforced Ti-Based Composite Obtained by Laser Metal Deposition

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Carbon-fiber-reinforced metal-matrix composites (Ti6Al4V/CFs) were tailored by laser metal deposition. Ti6Al4V/CFs represents a Ti-based matrix, inside which distributed carbon fibers, prime crystal-like titanium carbide (TiC) precipitates, and secondary TiC precipitates… Click to show full abstract

Carbon-fiber-reinforced metal-matrix composites (Ti6Al4V/CFs) were tailored by laser metal deposition. Ti6Al4V/CFs represents a Ti-based matrix, inside which distributed carbon fibers, prime crystal-like titanium carbide (TiC) precipitates, and secondary TiC precipitates were formed. The metal matrix was provided by α ′ martensitic phase and needle-like TiC distributed into the prior β grains. Soaking for 1 h at a temperature of 950 °C, quenching in water obtain coagulation and spheroidization of the α-phase and a decrease in the size of the primary β grain. Wear resistance of Ti6Al4V/CFs by heat treatment was improved to compare Ti6Al4V specimens.

Keywords: carbon fiber; carbon; fiber reinforced; laser metal; metal deposition

Journal Title: Journal of Materials Engineering and Performance
Year Published: 2020

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