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Research on Microstructure and Properties of Coating Produced by High Velocity Electric Wire Arc Spraying of TiB2/Al2O3 Cored Wire
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Abstract
In the paper, a newly composite TiB2/Al2O3 coating prepared by High Velocity Electric Wire Arc Spraying and cored wire with ceramic powders composed of refractory Al2O3 and TiB2 filling inside was introduced. The microstructure and composition of the TiB2/Al2O3 coating were investigated by metallgraphic microscope, scanning electron microscope and X-rayed diffraction, Bonding strength and hardness and mechanics properties were tested. The experimental results show the TiB2/Al2O3 composite coating possessed high hardness and higher bonding strength with substrate and excellent comprehensive mechanical properties. It can be used for improving shoot-proof properties in the surface of arms.
ASM International
Title: Research on Microstructure and Properties of Coating Produced by High Velocity Electric Wire Arc Spraying of TiB2/Al2O3 Cored Wire
Description:
Abstract
In the paper, a newly composite TiB2/Al2O3 coating prepared by High Velocity Electric Wire Arc Spraying and cored wire with ceramic powders composed of refractory Al2O3 and TiB2 filling inside was introduced.
The microstructure and composition of the TiB2/Al2O3 coating were investigated by metallgraphic microscope, scanning electron microscope and X-rayed diffraction, Bonding strength and hardness and mechanics properties were tested.
The experimental results show the TiB2/Al2O3 composite coating possessed high hardness and higher bonding strength with substrate and excellent comprehensive mechanical properties.
It can be used for improving shoot-proof properties in the surface of arms.
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