F6NM和GH4169摩擦副动摩擦系数研究
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摘要
利用多功能摩擦磨损Plint TE-92试验机对镍基高温合金GH4169、F6NM和A不锈钢以不同配副方式组成的4组摩擦副在不同载荷和转速下的摩擦系数进行研究。研究结果表明,F6NM/F6NM、F6NM/A不锈钢摩擦副的摩擦系数随载荷增加而减小,随转速增加先减小后增大;GH4169/F6NM摩擦副的摩擦系数随载荷、转速增加先减小后增大;GH4169/A不锈钢摩擦副的摩擦系数随载荷增加先增大后减小,随转速增加缓慢减小。随着载荷速度(PV)值的增加,GH4169/F6NM,F6NM/F6NM两组摩擦副的摩擦系数呈先减小后增大趋势,GH4169/A不锈钢和F6NM/A不锈钢两组摩擦副的摩擦系数呈逐渐减小趋势。
The coefficient of friction(COF)of four friction pairs composed of nickel-based superalloys GH4169,F6 NM and a stainless steel with different matching modes was studied by using the multi-function friction and wear test machine Plint TE-92 under different loads and rotational speeds.Research result indicates that the COF of F6NM/F6 NM and F6NM/A stainless steel friction pairs decreases with the increase of the load,and decreases first and then increases with the increase of the speed.The COF of GH4169/F6 NM friction pair decreases first and then increases with the increase of load and speed.The COF of GH4169/A stainless steel friction pair increases first and then decreases with the increase of load,and decreases slowly with the increase of rotational speed.With the increase of PV value,the COF of GH4169/F6 NM and F6NM/F6 NM friction pairs decreases first and then increases.While,the COF of GH4169/A stainless steel and F6NM/A stainless steel friction pairs decreases gradually.
The coefficient of friction(COF)of four friction pairs composed of nickel-based superalloys GH4169,F6 NM and a stainless steel with different matching modes was studied by using the multi-function friction and wear test machine Plint TE-92 under different loads and rotational speeds.Research result indicates that the COF of F6NM/F6 NM and F6NM/A stainless steel friction pairs decreases with the increase of the load,and decreases first and then increases with the increase of the speed.The COF of GH4169/F6 NM friction pair decreases first and then increases with the increase of load and speed.The COF of GH4169/A stainless steel friction pair increases first and then decreases with the increase of load,and decreases slowly with the increase of rotational speed.With the increase of PV value,the COF of GH4169/F6 NM and F6NM/F6 NM friction pairs decreases first and then increases.While,the COF of GH4169/A stainless steel and F6NM/A stainless steel friction pairs decreases gradually.
引文
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[4]张配.六种核电厂设备材料的摩擦副的静、动摩擦系数测定及分析[D].成都:西南交通大学,2016.
[5]杨晓伟,张永振,邱明,等.氮气气氛条件下钢/铜摩擦副的摩擦磨损特性研究[J].摩擦学学报,2007,27(1):25-28.
[6]谢锡善,董建新,付书红,等.γ″和γ′相强化的NiFe基高温合金GH4169的研究与发展[J].金属学报,2010,46(11):1289-1302.
[7]顾正秋,张湘虹.人工软骨材料摩擦学特性[J].北京科技大学学报,1999,21(1):36-39.
[8]梁广川,梁金生.氮化硅陶瓷与不锈钢摩擦研究应用[J].中国陶瓷,1998,34(4):13-16.
[9]薛宗玉,周升,韦习成.摩擦耦合变形条件下奥氏体不锈钢的摩擦学性能研究[J].摩擦学学报,2009,29(5):405-411.
[10] Miyoshi K.Fundamental considerations in adhesion,friction and wear for ceramic—metal contacts[J].Wear,1990,141(1):35-44.
[11]陈跃,张永振,沈百令,等.蠕墨铸铁/钢摩擦副干摩擦速度-载荷特性研究[C].中国机械工程学会摩擦学分会.第三届全国青年摩擦学学术会议论文集,1995:6.
[12]肖茂华,何宁,李亮,等.硬质合金-镍基高温合金摩擦磨损试验研究[J].热加工工艺,2013,42(20):82-84.
[13]陈洁,熊翔,姚萍屏,等.摩擦面温度对铁基摩擦材料摩擦磨损性能影响机理的研究[J].粉末冶金技术,2004,22(4):223-227.
[14]温诗铸,黄平,田煜,等.摩擦学原理(第五版)[M].北京:清华大学出版社,2018:275-277.