【摘要】 采用真空雾化制备了CoCrAlTaY高温合金粉末。结果表明:该合金粉末呈球形,粉末粒度呈近正态分布,粉末由CoAl、γ、Cr27C3和TaC相组成;合金粉末涂层与基体结合良好,其结合力达到52 MPa。更多还原

【Abstract】 CoCrAlTaY alloy powders have been produced by means of gas atomization technique.The results show that the powder microstructure is composed of CoAl、γ、Cr₂₇C₃ and TaC phases and the mean size of powders is 48 μm with a nearly spherical morphology.The adhesive strength of coating by detonation gun spraying is up to 52 MPa.更多还原