2016年 第11卷 第3期
《机械工程前沿（英文）》 >> 2016年 第11卷 第3期 doi: 10.1007/s11465-016-0401-2
Response surface regression analysis on FeCrBSi particle in-flight properties by plasma spray
National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China
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摘要
This work discusses the interactive effects between every two of argon flow rate, voltage, and spray distance on in-flight particles by plasma spray and constructs models that can be used in predicting and analyzing average velocity and temperature. Results of the response surface methodology show that the interactive effects between voltage and spray distance on particle in-flight properties are significant. For a given argon flow rate, particle velocity and temperature response surface are obviously bending, and a saddle point exists. With an increase in spray distance, the interactive effects between voltage and argon flow rate on particle in-flight properties appear gradually and then weaken. With an increase in voltage, the interactive effects between spray distance and argon flow rate on particle in-flight properties change from appearing to strengthening and then to weakening.
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