Impact and Wear Behavior of Side Plate of FRP Ship

FRP선박 외판재의 충격 및 마모 거동

  • 김형진 (경상대학교 기계항공공학부, 해양산업연구소) ;
  • 김재동 (경상대학교 해양산업연구소) ;
  • 고성위 (부경대학교 기계공학부) ;
  • 김영식 (부경대학교 기계공학부)
  • Published : 2009.12.31

Abstract

The effects of temperature and initial crack length on the impact fracture behavior for the side plate material of FRP ship were investigated. And the effects of the counterpart roughness and sliding distance on the volumetric wear of same material were investigated as well. Impact fracture toughness of GF/PE composites displayed maximum value when the temperature of specimen is room temperature and $50^{\circ}C$, and with decreasing the temperature of specimen, impact fracture toughness decreased. Impact fracture energy of GF/EP composites decreased with increasing the initial crack length of specimen, and this value decreased rapidly when the temperature of specimen is lowest, $-25^{\circ}C$. It is believed that sensitivity of notch on impact fracture energy were increased with decreasing the temperature of specimen. With increasing the sliding distance, the transition sliding distance, which displayed different aspect on the friction coefficient and the volumetric wear loss, were found out. Counterpart roughness had a big influence on the wear rate at running in period, however the effect of counterpart roughness became smaller with sliding speed increase in. Volumetric wear loss were increased with increasing the applied load and the counterpart roughness.

Keywords

References

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