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Friction coefficient and error test via micro-rotation mechanics model
Chen ZT(陈支通); Li G(李光); Xia Y(夏原)
Source PublicationTHEORETICAL & APPLIED MECHANICS LETTERS
2012-03-10
Volume2Issue:2Pages:021007
ISSN2095-0349
AbstractAn air pressure-loading mode incorporated into the friction apparatus is firstly applied to coatings tribology involving large load, automation, stepless and continuous loading processes. A novel measurement principle is proposed and a micro-rotation mechanics model was developed for high precision measurement of friction coe cient. By properly designing and locating two sensors real-time monitoring the normal and friction forces, the troublesome influences in friction measurement is considerably relieved which come from surface characteristics of coatings of the samples in traditional friction test processes. By calculation and analysis, the max rotation angle θmax = 0.0018° is gained, which indicates that the measurement error of the apparatus is greatly reduced. The whole system error is about 1.15% given by finite element method and indication error of the least square fitting of measurements.; An air pressure-loading mode incorporated into the friction apparatus is firstly applied to coatings tribology involving large load, automation, stepless and continuous loading processes. A novel measurement principle is proposed and a micro-rotation mechanics model was developed for high precision measurement of friction coe cient. By properly designing and locating two sensors real-time monitoring the normal and friction forces, the troublesome influences in friction measurement is considerably relieved which come from surface characteristics of coatings of the samples in traditional friction test processes. By calculation and analysis, the max rotation angle θmax = 0.0018° is gained, which indicates that the measurement error of the apparatus is greatly reduced. The whole system error is about 1.15% given by finite element method and indication error of the least square fitting of measurements.
KeywordAir Pressure-loading Measurement Principle Micro-rotation Friction Error Analysis
Subject Area制造工艺力学
URL查看原文
Language英语
Funding OrganizationThis work was supported by the National Natural Sci-ence Foundation of China (10832011).
DepartmentMAM镀层工艺力学与摩擦学
Classification二类
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46415
Collection先进制造工艺力学重点实验室
Corresponding AuthorXia Y(夏原)
Recommended Citation
GB/T 7714
Chen ZT,Li G,Xia Y. Friction coefficient and error test via micro-rotation mechanics model[J]. THEORETICAL & APPLIED MECHANICS LETTERS,2012,2(2):021007.
APA 陈支通,李光,&夏原.(2012).Friction coefficient and error test via micro-rotation mechanics model.THEORETICAL & APPLIED MECHANICS LETTERS,2(2),021007.
MLA 陈支通,et al."Friction coefficient and error test via micro-rotation mechanics model".THEORETICAL & APPLIED MECHANICS LETTERS 2.2(2012):021007.
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