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Nano-Scratching as a Means to Study Wear Debris Generation in Polymers

[+] Author Affiliations
Rosli Bin Mohamed Sani, Sujeet K. Sinha

University of Singapore, Singapore

Joyce Pei Ying Tan, Kai Yang Zeng

Institute of Materials Research and Engineering, Singapore

Paper No. 2003-TRIB-0282, pp. 149-153; 5 pages
  • STLE/ASME 2003 International Joint Tribology Conference
  • Contact Mechanics
  • Ponte Vedra Beach, Florida, USA, October 26–29, 2003
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-3706-8 | eISBN: 0-7918-3704-1
  • Copyright © 2003 by ASME


Scratches in the range of 1000 nm deep were produced on the surfaces of two polymers using diamond tip indenter to study the material deformation and wear debris generation characteristics. Our results show that the process of wear debris generation depends upon the manner in which scratches are produced on the surface. Single track scratches do not produce wear debris despite several passes of the indenter tip whereas intersecting scratches accelerate the wear debris generation process. The results indicate that the material near the four corners of intersecting scratches experience extremely high strain leading to extrusion and eventual breakage from the bulk of the polymer forming a debris particle.

Copyright © 2003 by ASME
Topics: Wear , Polymers



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