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Effects of surface coating on wear properties of A356-20vol.SiCp composites

机译:表面涂层对A356-20VOL磨损性能的影响。%SICP复合材料

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Thick alumina coatings were performed on A356-20vol.% SiCp composites by micro-arc oxidation (MAO) process with different processing time. The dry sliding wear tests were performed on A356-20vol.% SiCp composites with and without surface coating. The samples were tested by pin-on-disc wear test equipment with different applied load and sliding velocity. It is revealed that MAO coating improves resistance to wear of A356-20vol.% SiCp composites in the severe wear conditions. On the basis of the observations and analysis of the worn surface, worn subsurface, wear debris and variation of friction coefficient, the role of MAO coating layer is examined.
机译:在A356-20VOL上进行厚氧化铝涂层。通过微电弧氧化(MAO)工艺进行不同的加工时间。在A356-20VOL上进行干滑动磨损试验。%SICP复合材料,具有且没有表面涂层。通过具有不同施加的载荷和滑动速度的引脚盘式磨损测试设备测试样品。据透露,毛泽造涂层可提高对A356-20VOL的磨损的耐磨性。%SICP复合材料在严重磨损条件下。在磨损表面的观察和分析的基础上,磨损地下,磨损碎片和摩擦系数的变化,检查了茂涂层的作用。

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