Cu/Mo_5Si_(3p)复合材料的摩擦磨损性能研究
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摘要
采用销—盘式摩擦磨损试验机研究了液相烧结制备Mo5Si3颗粒弥散强化铜合金在滑动干摩擦条件下的摩擦磨损行为。结果表明:Cu/Mo5Si3p复合材料具有优良的摩擦磨损性能。随着Mo5Si3含量的增加Cu/Mo5Si3p复合材料的硬度增加,摩擦系数和磨损失重量降低。Mo5Si3含量低时,Cu/Mo5Si3p复合材料的磨损机制为犁沟变形和粘着磨损为主,而Mo5Si3含量高时则为犁沟变形磨损为主。
The friction and wear behaviors of Mo5Si3particles dispersion reinforced copper matrix composite material prepared by liquid sintering were investigated by pin- on- disk tester under the condition of dry sliding against 45#steel. The results show that the Cu / Mo5Si3pcomposite material has excellent friction and wear properties. The hardness of Cu / Mo5Si3pcomposite material would be increased,and the friction coefficient and wear weight- loss would be decreased,with the increase of Mo5Si3content. The wear mechanism of Cu / Mo5Si3pcomposite material is dominated by groove deformation and adhesive wear when Mo5Si3content is lower,but is dominated by groove deformation when Mo5Si3content is higher.
The friction and wear behaviors of Mo5Si3particles dispersion reinforced copper matrix composite material prepared by liquid sintering were investigated by pin- on- disk tester under the condition of dry sliding against 45#steel. The results show that the Cu / Mo5Si3pcomposite material has excellent friction and wear properties. The hardness of Cu / Mo5Si3pcomposite material would be increased,and the friction coefficient and wear weight- loss would be decreased,with the increase of Mo5Si3content. The wear mechanism of Cu / Mo5Si3pcomposite material is dominated by groove deformation and adhesive wear when Mo5Si3content is lower,but is dominated by groove deformation when Mo5Si3content is higher.
引文
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[12]S.G.Sapate,A.Uttarwar,R.C.Rathod,R.K.Paretkar.Analyzing dry sliding wear behaviour of copper matrix composites reinforced with pre-coated SiCp particles[J].Materials&Design,2009,30(2):376-386.
[2]Dai,F.Z.,Xu,X.J.,Lu,J.Z.,Zhang,Y.K.,Cai,L.Friction behaviors of SiC particle-reinforced Cu matrix composites[J].Key Engineering Materials,2011,464:492-495.
[3]Eunji Hong,Bradley Kaplin,Taehoon You,Min-soo Suh,Yong-Suk Kim,Heeman Choe[J].Tribological properties of copper alloy-based composites reinforced with tungsten carbide particles.Wear,2011,270(9-10):591-597.
[4]G.Celebi Efe,M.Ipek,S.Zeytin,C.Bindal.An investigation of the effect of SiC particle size on Cu-SiC composites[J].Composites Part B:Engineering,2012,43(4):1813-1822.
[5]马勤,杨延清,康沫狂.二硅化钼基复合材料的现状与前景[J].复合材料学报,1998,15(3):1-5.
[6]焦德辉.金属陶瓷二硅化钼的性质及应用[J].中国搪瓷,1997,18(5):33-36.
[7]郭铁明,陈辉,贾建刚,等.MoSi2增强铜基复合材料的组织与性能[J].材料热处理学报,2009,30(6):31-35.
[8]席俊杰,李会芳,吴中.MoSi2基高温结构材料氧化性能研究进展[J].热加工工艺,42(12):25-28.
[9]张厚安,胡小平,王军,等.MoSi2低温氧化生成相的热力学分析[J].湘潭矿业学院学报,2000,15(3):29-32.
[10]李丹,张永胜,周惠娣,等.MoSi2增强镍基合金复合材料的摩擦磨损性能研究[J].摩擦学学报,2007,27(4):336-340.
[11]Yang Jianming,He Yiqiang,Li Huaqiang,Qiao Bin,Chen Jinsong.Friction and wear behavior of SiCp/Cu composite prepared by powder injection molding[J].Advanced Materials Research,2011,314-316:1083-1086.
[12]S.G.Sapate,A.Uttarwar,R.C.Rathod,R.K.Paretkar.Analyzing dry sliding wear behaviour of copper matrix composites reinforced with pre-coated SiCp particles[J].Materials&Design,2009,30(2):376-386.