建筑工程与管理

SiO2含量对一种铜锡摩擦材料的摩擦学性能影响

周亚军, 陈亚枫, 王浩瀚

摘要


采用热压烧结法制备了不同SiO2含量及颗粒度铜基复合材料,并对铜基摩擦材料的力学性能和摩擦磨损性能进行测试。力学性能测试表明颗粒度较细1.25%SiO2/铜基复合材料的整体性能较好。采用X射线衍射法对摩擦材料进行物相分析,并结合扫描电镜观察摩擦材料的微观组织形貌,发现各组元弥散分布在基体中,与基体结合较好。SiO2的加入有助于提高复合材料的摩擦系数,但SiO2与基体无反应,界面结合强度不高,在高速重载工况下,SiO2容易脱落而造成第三体摩擦,从而使得摩擦材料的稳定性下降。

关键词


铜基摩擦材料;热压烧结;力学性能;摩擦系数;弥散强化

全文:

PDF

参考


张凡,马晓玥.中国高铁在合作开放中走向世界[N].中国贸易报,2022-11-17(4).

Zhou H B,Yao P P,Xiao Y L,et al.Friction and wear maps of copper metal matrix composites with different iron volume content[J].Tribology International,2019,132(9):199-210.

张鹏.高铁用铜基粉末冶金闸片的设计,制备和摩擦行为研究[D].北京:北京科技大学,2020.

Rodrigues A C P,Yonamine T,Sinatora A,et al.Pin-on-disc tribotests with the addition of Cu particles as an interfacial media: Characterization of disc tribosurfaces using SEM-FIB techniques[J].Tribology International,2016(14):351-359.

Su L L,Gao F,Han X M.Effect of copper powder third body ontribological property of copper-based friction materials[J].Tribology International Blau,2015,90(5):420-425.

CLaughlin J C. Effects of water films and sliding speed on the frictional behavior of truck disc brake materials[J].Tribology International,2003,36(8):15.

Godet M.The third-body approach[J].A mechanical view of wear,1984,100(8):52.

Yi,Jia YL,Zhao Y.Precipitation behavior of Cu-3.0Ni-0.72Si alloy[J].Acta Materialia,2019,166(2):61-70.

Monzen R, Watanabe C. Microstructure and mechanical properties of Cu-Ni-Si alloys[J].Materials Science and Engineering A,2008,484(1):117-119.

Yuan Y, Li Z,Xiao Z,et al.Microstructure evolution and properties of Cu-Cr alloy during continuous extrusion process[J].Journal of Alloys and Compounds,2017,703(8):454-460.

Peng L M, Mao X M, Xu K D,et al.Property and thermal stability of in situ composite Cu-Cr alloy contact cable[J].Journal of Materials Processing Technology,2005,166(2):193-198.

王静波,吕晋军,宁莉萍,等.锡青铜基自润滑材料的摩擦学特性研究[J].摩擦学学报,2001(2):110-113.

姚冠新,牛华伟.镍对铜基粉末冶金摩擦材料摩擦磨损性能的影响[J].热加工工艺,2016,45(8):121-124.

YAO Pingping,X IONG X iang,L I Shi peng,et al.The effects of alloy elements Zn /N i on the properties of copper2based b rake materials [J].Lubrication Engineering,2006(4):1-4.

孙忠刚,高飞,王德庆.锡对粉末冶金铜基摩擦材料摩擦磨损性能的影响[J].润滑与密封,2014,39(12):29-33.

Su L ,Gao F ,Han X ,et al.Tribological Behavior of Copper–Graphite Powder Third Body on Copper-Based Friction Materials[J].Tribology Letters,2015,60(2):30.

Mushtaq S,Wani M F,Nadeem M,et al.A study on friction and wear characteristics of Fe-Cu-Sn alloy with MoS2 as solid lubricant under dry conditions[J].Sadhana,2019,44(12):78.

刘建秀.铜基粉末冶金摩擦材料研制及其高温疲劳磨损和冲击性能研究[D].四川:中国工程物理研究院,2004.

张学良.高速列车用Cu基粉末冶金闸片材料的成分配比与性能研究[D].洛阳:河南科技大学,2017.




DOI: https://doi.org/10.33142/aem.v4i12.7542

Refbacks

  • 当前没有refback。


版权所有(c){$ COPYRIGHTYEAR} {$ copyrightHolder}

Creative Commons License
此作品已接受知识共享署名-非商业性使用 4.0国际许可协议的许可。