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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2003, Vol. 4 Issue (6): 709-713    DOI: 10.1631/jzus.2003.0709
Materials & Biotechnology     
A method for predicting critical load evaluating adhesion of coatings in scratch testing
CHEN Xi-fang, YAN Mi, YANG De-ren, HIROSE Yukio
Dept. of Material Science and Engineering, Zhejiang University, Hangzhou 310027, China; Dept. of Material Science and Engineering, Kanazawa University, Kanazawa, Japan
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Abstract  In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematical model predicting the critical load is proposed for calculating critical load as determined by scratch testing. The factors for correctly evaluating adhesion of coatings according to the experimental data are discussed.

Key words： Coating      Adhesion      Scratch testing      Critical load prediction     
Received: 20 April 2003     
CLC:  TG174.444  
  TH140.1  
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YAN Mi
CHEN Xi-fang
YANG De-ren
HIROSE Yukio
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CHEN Xi-fang, YAN Mi, YANG De-ren, HIROSE Yukio. A method for predicting critical load evaluating adhesion of coatings in scratch testing. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2003, 4(6): 709-713.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2003.0709     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2003/V4/I6/709

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