한국추진공학회:학술대회논문집 (Proceedings of the Korean Society of Propulsion Engineers Conference)

한국추진공학회 (The Korean Society of Propulsion Engineers)
권호 표지

Microcracking of Pressure Vessel with Fiberite 934/T300 Laminates under Fatigue Loads

  • Hyung-Won, Kim (Structural Design Div., Propulsion Dept., Missile System Development enter, Agency for Defense Development) ;
  • Soon-Il, Moon (Structural Design Div., Propulsion Dept., Missile System Development enter, Agency for Defense Development)
  • 발행 : 1996.11.01
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초록

The goal is to assess the effect of fatigue loading on mechanical properties of Fiberite 934/T300 laminates of pressure vessel using the recent variational mechanics analysis. This analysis has been useful in providing fracture mechanics interpretation of matrix microcracking in cross-ply laminates. This paper describes using the new energy release rate analysis for a fracture mechanics based interpretation of microcrack formation during fatigue loading. The master plot by modified Paris-law gives a complete characterization of a material system's resistance to microcrack formation.

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