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Evolution of aggregate surface texture due to tyre-polishing
  • 期刊名称:Journal of Central South University of Technology
  • 时间:0
  • 页码:259-265
  • 分类:TQ336.1[化学工程—橡胶工业] TS101.923[轻工技术与工程—纺织工程;轻工技术与工程—纺织科学与工程]
  • 作者机构:[1]Transportation College, Southeast University, Nanjing 210096, China, [2]Institute of Road and Traffic Engineering, RWTH-Aachen University, D52074, Germany
  • 相关基金:Foundation item: Project(50809053) supported by the National Natural Science Foundation of China; Project(FE 04.208/2007/CRB) funded by Federal Highway Research Institute (Bast), Germany
  • 相关项目:钢桥面铺装的弯曲行为研究:多尺度建模方法
作者: 陈先华|
中文摘要:

三种总数被真灵魂橡胶轮胎擦亮。表面质地和动态磨擦系数的起始的状态被测量,他们在擦亮过程的开发被监视。高度分发和力量的描述光谱总数表面质地的密度被估计。变化微质地也在不平的表面上与橡胶磨擦的健全理论背景基于一个分数维的过滤方法被调查。全球高度减小和矿物质部件的微分移动在擦亮过程被观察。擦亮轮胎的行动在微规模的质地起关键作用,这被结束,并且总数的磨擦的进化被微质地的变化由于矿物质部件的微分移动管理。

英文摘要:

Three kinds of aggregates were polished by genuine pneumatic rubber tyres. The initial states of surface texture and dynamic friction coefficient were measured and their developments in polishing process were monitored. The characterizations of height distribution and power spectral density of aggregate surface texture were estimated. The changes of micro-texture were also investigated based on a fractal filtering method with sound theoretical backgrounds of rubber friction on rough surfaces. Global height reduction and differential removal of mineral component are observed in polishing process. It is concluded that the tyre-polishing action plays the critical roles in the micro-scale texture, and the evolution of friction of aggregate is governed by the micro-texture changes due to the differential removal of mineral component.

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