碳/碳-碳化硅复合材料的摩擦磨损行为与机理

doi:10.3724/SP.J.1077.2013.12745

无机材料学报 ›› 2013, Vol. 28 ›› Issue (10): 1057-1061.DOI: 10.3724/SP.J.1077.2013.12745

碳/碳-碳化硅复合材料的摩擦磨损行为与机理

周海军^1,2, 董绍明^1,2, 何平^1,2,3, 胡建宝^1,3, 吴斌^1,3

(1. 中国科学院上海硅酸盐研究所, 结构陶瓷与复合材料工程研究中心, 上海 200050; 2. 中国科学院高性能陶瓷和超微结构国家重点实验室, 上海 200050; 3. 中国科学院大学, 北京 100049)

收稿日期:2012-12-10 修回日期:2013-01-04 出版日期:2013-10-20 网络出版日期:2013-09-18
基金资助:
佛山市禅城区科技计划项目(2011A1043)

Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites

ZHOU Hai-Jun^1,2, DONG Shao-Ming^1,2, HE Ping^1,2,3, HU Jian-Bao^1,2, WU Bin^1,3

(1. Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai 200050, China; 2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai 200050, China; 3. University of Chinese Academy of Sciences, Beijing 100049, China)

Received:2012-12-10 Revised:2013-01-04 Published:2013-10-20 Online:2013-09-18
Supported by:
Scientific Research Project of Shancheng District of Foshan City

摘要/Abstract

摘要： 以液相渗硅工艺为手段制备了C/C-SiC复合材料。分别采用MMW-1A与MM-1000型试验机对复合材料的摩擦磨损性能进行了研究。结果表明: 在实验室条件下, 当压力恒定在0.48 MPa时, 转速对复合材料的摩擦磨损的性能影响甚微, 摩擦系数为0.15~0.16, 且磨损率接近; 当转速恒定在0.3 m/s时, 不同压力条件下的摩擦系数相近, 为0.13~0.15, 但磨损率存在较大差异, 材料磨损以磨粒磨损为主。在近工况条件下, C/C-SiC复合材料的摩擦系数达到0.50, 磨损率达到5.95 mg/次, 摩擦曲线表现为典型的马鞍形曲线, 试验前期材料磨损主要表现为磨粒磨损, 试验后期为粘着磨损。

关键词: C/C-SiC复合材料, 液相渗硅工艺, 摩擦磨损性能

Abstract: C/C-SiC composites were prepared by liquid silicon infiltration (LSI) process. The tribological properties were investigated using MMW-1A and MM-1000 test machine, respectively. Under experimental conditions, the rotation speed had limited impact on the tribological properties of C/C-SiC composites when the pressure was 0.48 MPa. The pressure had approximately the same effect on the wear rate when the rotation speed was 0.3 m/s. The wear mechanism was mainly abrasive grain wear. While under real brake conditions, the coefficient of friction (COF) of C/C-SiC composites reached 0.50 and the wear rate was up to 5.95 mg/times. The COF curves showed the typical saddle shapes brake curves. Abrasive grain wear mechanism and adhere wear mechanism appeared in the early and last stages in real brake conditions.

Key words: C/C-SiC composites, liquid silicon infiltration process, friction and wear properties

中图分类号:

TB332

周海军, 董绍明, 何平, 胡建宝, 吴斌. 碳/碳-碳化硅复合材料的摩擦磨损行为与机理[J]. 无机材料学报, 2013, 28(10): 1057-1061.

ZHOU Hai-Jun, DONG Shao-Ming, HE Ping, HU Jian-Bao, WU Bin. Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites[J]. Journal of Inorganic Materials, 2013, 28(10): 1057-1061.

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碳/碳-碳化硅复合材料的摩擦磨损行为与机理

Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites

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