| 二氧化硅颗粒形状对刹车材料摩擦性能的影响 |
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| 引用本文： | 黄尚文,王汉和. 二氧化硅颗粒形状对刹车材料摩擦性能的影响[J]. 中南大学学报(自然科学版), 1992, 0(2) |
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| 作者姓名： | 黄尚文 王汉和 |
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| 作者单位： | 粉末冶金研究所，粉末冶金研究所 |
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| 摘 要： | 本文研究了摩擦组元SiO_2颗粒形状对刹车材料摩擦性能的影响.试验证明类球形SiO_2颗粒对摩擦性能的影响最好.根据分子-机械摩擦理论原理,材料的摩擦系数与实际接触面积有关,而类球形SiO_2颗粒完整地镶嵌在基体内,起着耐磨、增加实际接触面积的作用,使材料具有优良的摩擦性能.
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| 关 键 词： | 刹车材料 颗粒形状 摩擦性能 |
EFFECTS OF THE SHAPES OF SiO_2 PARTICLES ON THE FRICTIONAL BEHAVIOURS OF BRAKE MATERIALS |
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| Huang Shangwen Wang Hanhe. EFFECTS OF THE SHAPES OF SiO_2 PARTICLES ON THE FRICTIONAL BEHAVIOURS OF BRAKE MATERIALS[J]. Journal of Central South University:Science and Technology, 1992, 0(2) |
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| Authors: | Huang Shangwen Wang Hanhe |
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| Affiliation: | Powder Metallurgy Research Institute |
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| Abstract: | In this paper, the effects of SiO_2 particle shapes on the friction behaviours of brake materials were investigated. The experimental results show that, the SiO_2 particles with near-spherical shape are most beneficial to the friction properties. According to the theory of molecule-mechanical friction, the friction coefficient of a material is related to real contact area. The near-spherical SiO_2 particles which are uniformly embeded in matrix are wear resistant and increase the real contact area. So the materials have excellent friction properties. |
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| Keywords: | brake material particle shapes frictional behaviour |
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