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导电陶瓷Ti₃SiC₂-Cu-C复合材料的制备与性能研究

Preparation and properties of conductive ceramic Ti₃SiC₂-Cu-C composites

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【Author】 XU Shao-fan~1,XU Shao-ping~2,JIANG Feng~1,ZHANG Zhong-bao~1(1.School of Materials Science and Engineering,Hefei University of Technology, Hefei 230009,China;2.School of Mechanical and Automobile Engineering,Hefei University of Technology,Hefei 230009,China)

【机构】合肥工业大学材料学院；合肥工业大学机械与汽车学院；

【摘要】用粉末冶金法制备了一定含量的镀铜和不镀铜Ti3SiC2-Cu-C复合材料,以及Cu-C复合材料,对它们的物理和力学性能进行了测试,并在滑动速度为10m/s,载荷为4.9N的干摩擦条件下进行了36h磨损试验,结果表明:镀铜Ti3SiC2-Cu-C复合材料的导电性、硬度、抗弯强度和耐磨性优于不镀铜Ti3SiC2-Cu-C复合材料和Cu-C复合材料。更多还原

【Abstract】 Copper-coated Ti₃SiC₂-Cu-C composite,Ti₃SiC₂-Cu-C composite with the same Ti₃SiC₂ content and Cu-C composite were prepared by powder metallurgy method.Physical and mechanical properties of the composites were tested.The dry friction tests of the composites under sliding velocity of 10m/s and load of 4.9N were conducted for 36h.The results show that the properties of the copper-coated Ti₃SiC₂-Cu-C composite such as electric conductivity,hardness,bending strength and wear resistance are superior to those of the Ti₃SiC₂-Cu-C and Cu-C composites.更多还原