섬유

fatigue fracture of reaction injection molded (rim) nylon composites

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 304
this study was undertaken to determine how milled glass fibers affect the fatigue resistance of reaction injection molded (rim) nylon 6. specifically the effects of glass content, fiber length, orientation, and surface treatment were investigated. the fatigue crack growth rates for unfilled and glass-filled samples were observed to follow the well-known paris equation in terms of dependence on cyclic stress intensity factor. for the unfilled nylon a line shaped zone was observed in advance of the crack tip fractography results suggest that the zone was the projection of the actual crack tip profile through the thickness of the sample rather than a distinct plastic or deformation zone. (edited author abstract) 17 refs
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