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Effect of Fiber Orientation Angle and Property of Metal Laminate on Impact Behaviors of Fiber Metal Laminates

섬유의 적층각과 금속판의 특성에 따른 섬유 금속 적층판의 충격 손상 거동

  • 남현욱 (포항공과대학교 대학원 기계공학과) ;
  • 정성욱 (포항공과대학교 대학원 기계공학과) ;
  • 한경섭 (포항공과대학교 기계공학과)
  • Published : 2003.03.01

Abstract

Impact tests were conducted to study the effect of angle ply and metal laminate on impact damage characteristics of Fiber Metal laminates (FML). Impact tests were conducted using drop weight impact machine and damage behavior were analyzed by comparing with load-displacement curve and surface observation and microscopic observation of cross sections. The effect of angle ply on impact characteristics of FML are influenced by property of metal laminate. i.e., when the metal laminate is not enough to strong to prevent fiber debonding, Angle ply FML is superior to singly oriented ply (SOP) FML because angle ply enhance the stiffness by fiber supports and prevent (rack propagation. However, when the metal laminate is enough to strong to prevent fiber debonding, SOP FML is superior to Angle ply FML because the fiber of lower ply in Angle ply FML are more stressed than that of SOP FML.

Keywords

Fiber Orientation Angle;Metal Laminate;Impact Damage;Fiber Metal Laminates

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