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采用超声气体雾化技术制备了NiCoCrAITaY合金粉末,结果表明: 该合金粉末呈球形,平均粒度为32μm,颗粒组织由α-Cr+γ双相组成;采用真空等 离子喷涂方法制备的该合金粉末涂层,具有良好的抗高温氧化性能,1000℃和 1100℃,200小时的静态氧化增重分别为0.3mg/cm2和0.35mg/cm2。
NiCoCrAITaY alloy powder was prepared by ultrasonic atomizing technique. The results show that the alloy powder is spherical with an average particle size of 32μm and the granular structure is composed of α-Cr + γ dual phase. The alloy powder coating prepared by vacuum plasma spraying has Good resistance to high temperature oxidation, 1000 ℃ and 1100 ℃, 200 hours of static oxidation weight gain were 0.3mg / cm2 and 0.35mg / cm2.