비의류제품

adhesion of graphite fibers to epoxy matrices. iii. the effect of hygrothermal exposure

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 488
type as1 surface treated graphite fibers and surface treated and 'finished' (as1c) for improved adhesion to epoxy matrices were used. a substantial difference in interfacial shear strength alteration with hygrothermal exposure was detected at all conditions between the surface treated and the surface treated and 'finished' fibers retained a higher absolute value for the interfacial shear strength after hygrothermal exposure. this was attributed to the creation of an interphase region in the 'finish' layer that was more brittle but has a lower t/sub g/ than the matrix. the presence of this layer at low temperatures promoted better stress transfer but at higher temperatures in the wet state acted like a compliant zone that reduced irreversible damage occurring at the fiber-matrix interface
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