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Wear characteristics on particle volume fraction of nano silica composite materials

입자 함유율의 변화에 따른 나노 실리카 복합재료의 마모 특성

  • Lee, Jung-Kyu (Department of Control and Mechanical Engineering, Graduate School, Pukyong National University) ;
  • Koh, Sung Wi (Department of Mechanical System Engineering, Pukyong National University)
  • 이정규 (부경대학교 대학원 제어기계공학과) ;
  • 고성위 (부경대학교 기계시스템공학과)
  • Received : 2013.10.30
  • Accepted : 2013.11.17
  • Published : 2013.11.30

Abstract

The characteristics of abrasive wear of the rubber matrix composites filled with nano sized silica particles were investigated at ambient temperature by pin-on-disc friction test. The range of volume fraction of silica particles tested are between 11% to 25%. The cumulative wear volume and friction coefficient of these materials on particle volume fraction were determined experimentally. The major failure mechanisms were lapping layers, deformation of matrix, ploughing, deboding of particles and microcracking by scanning electric microscopy photograph of the tested surface. The cumulative wear volume showed a tendency to increase nonlinear with increase of sliding distance. As increasing the silica particles of these composites indicated higher friction coefficient.

Acknowledgement

Supported by : 부경대학교

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