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工程科学学报,第39卷.第8期:1182-1187,2017年8月 Chinese Journal of Engineering,Vol.39,No.8:1182-1187,August 2017 D0L:10.13374/j.issn2095-9389.2017.08.007;htp:/journals..usth.edu.cn 成型工艺对树脂基摩擦材料及其摩擦学性能的响 李辉),杜建华),王浩旭2),吕莹莹》 1)装甲兵工程学院技术保障工程系,北京1000722)装甲兵工程学院科研部.北京100072 3)北京科技大学材料科学与工程学院,北京100083 ☒通信作者,E-mail:lihui881111@126.com 摘要以碳纤维2.5D浅交弯联结构为预制体,分别采用树脂传递成型工艺(RTM)和热压成型工艺(HPM)制备了碳纤维 增强酚醛树脂基摩擦材料.通过MS-T3001摩擦磨损试验机考核了材料的摩擦磨损性能,采用扫描电子显微镜、激光三维形 貌扫描仪观测了材料的磨损形貌,对比分析了两种成型工艺对材料摩擦学性能的影响.结果表明:随着滑动速度和工作载荷 的增大,材料的摩擦系数均减小.热压成型工艺成型摩擦材料的主要磨损形式为磨粒磨损,摩擦系数0.085~0.130,磨损率 1.5×10-8gN·m1.树脂传递成型工艺成型摩擦材料的主要磨损形式为黏着磨损和疲劳磨损,摩擦系数0.075-0.120, 磨损率7.5×10~8gN-1m1. 关键词树脂基摩擦材料:摩擦磨损:碳纤维:树脂传递成型:热压成型 分类号TB332.1 Effect of molding process on tribological characteristics of friction materials based on resin LI Hui),DU Jian-hua,WANG Hao-xu2,L0 Ying-ying 1)Department of Technique Support Engineering,Academy of Armored Force Engineering,Beijing 100072.China 2)Department of Science Research,Academy of Armored Force Engineering,Beijing 100072,China 3)School of Material Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:lihui881111@126.com ABSTRACT Resin transfer molding (RTM)and hot-pressing molding (HPM)were used to prepare phenolic resin matrix compos- ites reinforced by carbon fiber.The tribological properties of the materials were tested using a MS-T3001-type friction and wear tester. A scanning electron microscopy and three-dimensional laser microscopy were used to analyze the superficial microstructure of the fric- tion materials.Furthermore,a comparative analysis was employed to investigate the influences on the tribological properties by two types of material-forming processes.Results indicate that the friction coefficient decreases with increased relative sliding speed and workload.For the RTM friction material,the main form of wear is adhesive wear and fatigue wear,the coefficient of friction is 0.075-0.120,and the wear rate is 7.5x10-g-N-.m.In contrast,for the HPM friction material,abrasive wear is the main form of wear,and the friction coefficient and wear rate are 0.085-0.130 and 1.5 x 10g-Nm,respectively. KEY WORDS resin matrix composite;friction and wear;carbon fiber;resin transfer molding;hot-pressing molding 碳纤维增强树脂基摩擦材料具有高而稳定的摩擦所采用的增强相主要为短切碳纤维[]、长纤维)或2D 系数、良好的耐磨性、优良的机械性能和低的摩擦噪 碳布织物[].关于碳纤维含量、树脂基体含量、孔隙 音,受到了国内外学者的广泛关注-刃.此类摩擦材料 率分布以及织物类型对材料摩擦学性能影响的研究大 收稿日期:2016-11-17工程科学学报,第 39 卷,第 8 期:1182鄄鄄1187,2017 年 8 月 Chinese Journal of Engineering, Vol. 39, No. 8: 1182鄄鄄1187, August 2017 DOI: 10. 13374 / j. issn2095鄄鄄9389. 2017. 08. 007; http: / / journals. ustb. edu. cn 成型工艺对树脂基摩擦材料及其摩擦学性能的影响 李 辉1)苣 , 杜建华2) , 王浩旭2) , 吕莹莹3) 1) 装甲兵工程学院技术保障工程系, 北京 100072 2) 装甲兵工程学院科研部, 北京 100072 3) 北京科技大学材料科学与工程学院, 北京 100083 苣 通信作者, E鄄mail: lihui881111@ 126. com 摘 要 以碳纤维 2郾 5D 浅交弯联结构为预制体,分别采用树脂传递成型工艺(RTM)和热压成型工艺(HPM)制备了碳纤维 增强酚醛树脂基摩擦材料. 通过 MS鄄T3001 摩擦磨损试验机考核了材料的摩擦磨损性能,采用扫描电子显微镜、激光三维形 貌扫描仪观测了材料的磨损形貌,对比分析了两种成型工艺对材料摩擦学性能的影响. 结果表明:随着滑动速度和工作载荷 的增大,材料的摩擦系数均减小. 热压成型工艺成型摩擦材料的主要磨损形式为磨粒磨损,摩擦系数 0郾 085 ~ 0郾 130,磨损率 1郾 5 伊 10 - 8 g·N - 1·m - 1 . 树脂传递成型工艺成型摩擦材料的主要磨损形式为黏着磨损和疲劳磨损,摩擦系数 0郾 075 ~ 0郾 120, 磨损率 7郾 5 伊 10 - 8 g·N - 1·m - 1 . 关键词 树脂基摩擦材料; 摩擦磨损; 碳纤维; 树脂传递成型; 热压成型 分类号 TB332郾 1 收稿日期: 2016鄄鄄11鄄鄄17 Effect of molding process on tribological characteristics of friction materials based on resin LI Hui 1)苣 , DU Jian鄄hua 2) , WANG Hao鄄xu 2) , L譈 Ying鄄ying 3) 1) Department of Technique Support Engineering, Academy of Armored Force Engineering, Beijing 100072, China 2) Department of Science Research, Academy of Armored Force Engineering, Beijing 100072, China 3) School of Material Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 苣 Corresponding author, E鄄mail:lihui881111@ 126. com ABSTRACT Resin transfer molding (RTM) and hot鄄pressing molding (HPM) were used to prepare phenolic resin matrix compos鄄 ites reinforced by carbon fiber. The tribological properties of the materials were tested using a MS鄄T3001鄄type friction and wear tester. A scanning electron microscopy and three鄄dimensional laser microscopy were used to analyze the superficial microstructure of the fric鄄 tion materials. Furthermore, a comparative analysis was employed to investigate the influences on the tribological properties by two types of material鄄forming processes. Results indicate that the friction coefficient decreases with increased relative sliding speed and workload. For the RTM friction material, the main form of wear is adhesive wear and fatigue wear, the coefficient of friction is 0郾 075鄄鄄0郾 120, and the wear rate is 7郾 5 伊 10 - 8 g·N - 1·m - 1 . In contrast, for the HPM friction material, abrasive wear is the main form of wear, and the friction coefficient and wear rate are 0郾 085鄄鄄0郾 130 and 1郾 5 伊 10 - 8 g·N - 1·m - 1 , respectively. KEY WORDS resin matrix composite; friction and wear; carbon fiber; resin transfer molding; hot鄄pressing molding 碳纤维增强树脂基摩擦材料具有高而稳定的摩擦 系数、良好的耐磨性、优良的机械性能和低的摩擦噪 音,受到了国内外学者的广泛关注[1鄄鄄7] . 此类摩擦材料 所采用的增强相主要为短切碳纤维[8] 、长纤维[9]或 2D 碳布织物[10] . 关于碳纤维含量、树脂基体含量、孔隙 率分布以及织物类型对材料摩擦学性能影响的研究大
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