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Fe52Cr15Mo26C3B1Y3非晶金属含量对酚醛树脂基摩擦材料性能的影响
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Effect of Fe52Cr15Mo26C3B1Y3 Amorphous Metal Content on the Properties of Phenolic Resin-based Friction Materials
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    摘要:

    以Fe基非晶金属代替传统的润滑组元,采用热压成型法制备Fe52Cr15Mo26C3B1Y3/酚醛树脂摩擦材料,探究不同含量的非晶金属对摩擦材料性能的影响;利用SEM对摩擦材料磨损面进行观测,分析不同含量非晶金属对摩擦材料磨损机制的影响。结果表明:添加非晶金属后摩擦材料硬度得到提升,其中非晶金属质量分数为30%~40%的试样硬度在67.6HRB和73.6HRB之间,为摩擦材料合适的硬度范围;随非晶金属质量分数的增加,材料的体积磨损率逐渐降低,平均摩擦因数呈先减小后增加的趋势,当非晶金属质量分数40%时试样的摩擦因数最小;随着非晶金属含量的增加,材料的磨损机制由接触疲劳磨损逐渐转变为磨粒磨损为主,并伴随着轻微接触疲劳磨损的混合机制。

    Abstract:

    Fe52Cr15Mo26C3B1Y3/phenolic resin friction material was prepared with hot-pressing method by using Fe-based amorphous metal to replace the traditional lubricating component,and the influence of different content of amorphous metal on the performance of the friction material was discussed.The wear surface of the friction material was observed by SEM,and the influence of different content of amorphous metal on the wear mechanism of friction material was analyzed.The results show that the hardness of the friction material is increased after adding amorphous metal.The hardness of the samples with mass fraction of 30% to 40% amorphous metal is between 67.6HRB and 73.6HRB,which is the appropriate hardness range of friction materials.With the increase of amorphous metal content,the wear rate of friction materials decreases gradually,and the average friction coefficient showed a trend of first decreasing and then increasing.When the mass fraction of amorphous metal is 40%,the friction coefficient of the sample is the smallest.With the increase of amorphous metal content,the wear mechanism of the material gradually changes from contact fatigue wear to abrasive wear,accompanied by a mixed mechanism of slight contact fatigue wear.

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吴浩宇,宋之锴,龙威,周小平. Fe52Cr15Mo26C3B1Y3非晶金属含量对酚醛树脂基摩擦材料性能的影响[J].润滑与密封,2022,47(7):83-89.
WU Haoyu, SONG Zhikai, LONG Wei, ZHOU Xiaoping. Effect of Fe52Cr15Mo26C3B1Y3 Amorphous Metal Content on the Properties of Phenolic Resin-based Friction Materials[J]. Lubrication Engineering,2022,47(7):83-89.

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  • 在线发布日期: 2022-09-02
  • 出版日期: 2022-07-15