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纤维方向对C/SiC复合材料摩擦学特性的影响
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国家自然科学基金项目(51375333);中国博士后科学基金项目(2017M611162).


The Influence of Fiber Direction on the Tribological Properties of C/SiC Composite
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    摘要:

    以不同纤维方向C/SiC复合材料分别与氧化铝增韧的氧化锆陶瓷(Al2O3-ZrO2)及调质处理的45#钢组成摩擦副进行销-盘摩擦实验,研究对摩副材料及纤维方向对摩擦副摩擦磨损性能及磨损机制的影响。结果表明,C/SiC复合材料与Al2O3-ZrO2和45#钢摩擦时,其垂直纤维叠层方向的摩擦磨损性能均优于平行纤维叠层方向,且垂直纤维叠层方向C/SiC复合材料与Al2O3-ZrO2摩擦副具有最小的摩擦因数和磨损率,摩擦过程更稳定;纤维C/SiC复合材料与Al2O3-ZrO2陶瓷和45#钢摩擦副的磨损形式主要均为磨粒磨损,与45#钢摩擦时还伴随着化学磨损。

    Abstract:

    The tribological properties of C/SiC composites with different fiber directions was tested respectively with Al2O3-ZrO2 and 45 steel by using pin on disc test,the influence of the materials of friction pairs and the fiber direction on the antiwear and friction reducting properties of C/SiC composites was investigated.It is found from the results that C/SiC composites with vertical fiber direction show better tribological performance than that with parallel fiber direction after test with Al2O3-ZrO2 and 45 steel.The friction pair of C/SiC composites with vertical fiber direction and Al2O3-ZrO2 shows the lowest friction coefficient and wear rate,and the friction test process is more stable.The wear form of C/SiC composite with Al2O3-ZrO2 is mainly abrasive wear and for 45 steel,the wear form is abrasive wear accompanied by chemical wear.

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隋天一.纤维方向对C/SiC复合材料摩擦学特性的影响[J].润滑与密封,2018,43(4):1-7.
. The Influence of Fiber Direction on the Tribological Properties of C/SiC Composite[J]. Lubrication Engineering,2018,43(4):1-7.

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  • 在线发布日期: 2018-05-25
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