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Tribological Characteristic of Diamond-like Carbon Films Investigated by Lateral Force Microscope 被引量:2

Tribological Characteristic of Diamond-like Carbon Films Investigated by Lateral Force Microscope
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摘要 Tribological characteristic of different thick diamond-like carbon (DLC) films was studied. A geometrical method was applied to calibrate the cantilever spring constant and to calculate the normal and lateral forces, respectively. Experimental results show that the lateral force under different applied loads is proportional to the normal force for the DLC films with the thickness of 153.4nm and 64.9nm. However, for the thickness of 4.48nm and 2.78nm DLC films, lateral force is nonlinear to normal force, which is opposed to the Amonton's law.The single asperity regime and the DMT model were put forward to predict the possible nanotribological mechanism between the probe and DLC film. Tribological characteristic of different thick diamond-like carbon (DLC) films was studied. A geometrical method was applied to calibrate the cantilever spring constant and to calculate the normal and lateral forces, respectively. Experimental results show that the lateral force under different applied loads is proportional to the normal force for the DLC films with the thickness of 153.4nm and 64.9nm. However, for the thickness of 4.48nm and 2.78nm DLC films, lateral force is nonlinear to normal force, which is opposed to the Amonton's law.The single asperity regime and the DMT model were put forward to predict the possible nanotribological mechanism between the probe and DLC film.
作者 丁建宁
机构地区 Jiangsu University
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2004年第B10期27-29,共3页 武汉理工大学学报(材料科学英文版)
基金 undedbytheNationalNaturalScienceFoundationofChi na(No .5 0 2 75 0 6 5 ) ,theScienceFoundationofJiangsuProvince(BK2 0 0 2 14 7,0 2KJA4 6 0 0 0 1),theExcellentYoungTeachersPro gramofM0EofChina ,theProjectsponsoredbySRFforROCS ,SEM ,andtheFoundationfortheAu
关键词 DLC film LFM FRICTION CALIBRATION force constant DLC film LFM friction calibration force constant
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