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HEPJet等离子喷涂Al₂O₃性能试验研究

Properties of Al₂O₃ Coatings by HEPJet Plasma Spray Method

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【Author】 ZHAI Chang-sheng1,WU Rui-zhi1, WANG Hai-jun2,ZHOU Shi-kui2 ,SUN Bao-de1 (1 Material Science and Engineering School, Shanghai Jiaotong University, Shanghai 200030,China;2 Material Science and Engineering School, Armored Force Engineering Institute, Beijing 100072,China)

【机构】上海交通大学材料科学与工程学院；装甲兵工程学院材料科学与工程系；上海交通大学材料科学与工程学院上海200030；上海200030；北京100072；上海200030；

【摘要】研究了新开发的高效能超音速等离子喷涂系统(HEPJet-HighEfficiencyPlasmaJet)的射流特性,及所制备的Al2O3陶瓷涂层的结合强度、显微硬度和孔隙率等性能以及显微结构,并与一种普通等离子喷涂系统进行了对比试验研究。结果表明,HEPJet系统制备Al2O3涂层的性能及显微结构明显优于普通等离子喷涂的Al2O3涂层。更多还原

【Abstract】 WT5BZ]The jet property of high efficiency plasma jet （HEPJet） system,and the characteristics such as bond strength, Vickers hardness, porosity and microstructure of the Al₂O₃ coatings prepared by this system were studied.Comparison of Al₂O₃ coatings was made between conventional plasma spray system and HEPJet system. The results showed that the characteristics of the Al₂O₃ coatings prepared by the HEPJet system were superior to those sprayed by the latter system.更多还原