改性酚醛树脂陶瓷摩擦材料的摩擦磨损性能

doi:10.11868/j.issn.1001-4381.2018.000038

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摘要

以普通酚醛树脂、硼改性酚醛树脂、三聚氰胺改性酚醛树脂为黏结剂，以陶瓷纤维为增强纤维，制备了3种酚醛树脂陶瓷摩擦材料。对其冲击韧性和硬度进行实验测试，采用摩擦磨损试验机考察其摩擦磨损性能，采用扫描电子显微镜（SEM）和X射线能谱仪分析其磨损表面形貌及其成分，并探讨其磨损机制。结果表明：硼改性酚醛树脂黏结剂能够提高摩擦材料的硬度，三聚氰胺改性酚醛树脂黏结剂能够提高摩擦材料的冲击韧性，降低摩擦材料硬度；在摩擦过程中三聚氰胺改性酚醛树脂在高温下炭化，在摩擦材料表面形成一层致密的摩擦层，摩擦层的存在使摩擦材料的摩擦因数相对比较稳定，降低了摩擦材料的磨损率。

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	陈海龙
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关键词 ：酚醛树脂, 摩擦材料, 摩擦磨损, 力学性能, 刹车片

Abstract：

Three kinds of phenolic resin ceramic brake pads were prepared with phenolic resin, boron modified phenolic resin, melamine modified phenolic resin as binder, and ceramic fiber as reinforcing fiber. The impact toughness and hardness of the material were tested. The friction and wear properties were investigated by friction and wear tester. The worn surface morphology and its composition were analyzed by scanning electron microscope (SEM) and X-ray energy spectrometer, and the wear mechanism was also discussed. The experimental results show that boron modified phenolic resin binder can improve the hardness of friction materials, melamine modified phenolic resin can improve the impact toughness of materials, reducing material hardness; in the friction process, melamine modified phenolic resin carbonized at high temperature, forming a dense layer of friction on the surface of friction material. The existence of friction layer makes the friction coefficient of the friction material become relatively stable, and reduces the wear rate of the friction material.

Key words： phenolic resin friction material friction and wear mechanical property brake pad

收稿日期: 2018-01-10 出版日期: 2019-06-17

中图分类号:

TG113

基金资助:国家自然科学基金(51575234);国家自然科学基金(51872122);中国博士后科学基金(2017M620286);山东省重点研发计划(2018CXGC0809);山东省农机装备研发创新计划(2018YF012)

通讯作者: 杨学锋 E-mail: me_yangxf@ujn.edu.cn

作者简介: 杨学锋(1977-), 男, 教授, 博士, 研究方向为切削刀具的磨损, 联系地址:山东省济南市南辛庄西路336号济南大学机械工程学院A40(250022), E-mail:me_yangxf@ujn.edu.cn

引用本文:

陈海龙, 杨学锋, 王守仁, 鹿重阳, 吴元博. 改性酚醛树脂陶瓷摩擦材料的摩擦磨损性能[J]. 材料工程, 2019, 47(6): 108-113.
Hai-long CHEN, Xue-feng YANG, Shou-ren WANG, Chong-yang LU, Yuan-bo WU. Tribological properties of modified phenolic resin ceramic friction materials. Journal of Materials Engineering, 2019, 47(6): 108-113.

链接本文:

http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2018.000038 或 http://jme.biam.ac.cn/CN/Y2019/V47/I6/108

Table 1 摩擦材料配方

Fig.1 冲击韧性测试试样

Fig.2 硬度测试试样

Table 2 摩擦材料的力学性能

Fig.3 摩擦材料断面形貌SEM照片
(a)酚醛树脂陶瓷；(b)硼改性酚醛陶瓷树脂；(c)三聚氰胺改性树脂

Fig.4 摩擦材料的摩擦因数(a)和磨损率(b)

Fig.5 摩擦材料的磨损表面形貌SEM照片
(a)酚醛树脂陶瓷；(b)硼改性酚醛树脂陶瓷；(c)三聚氰胺改性树脂陶瓷

Fig.6 三聚氰胺树脂摩擦材料形貌SEM照片和EDS谱图
(a)SEM照片；(b)点1 EDS谱图；(c)点2 EDS谱图；(d)点3 EDS谱图

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