기계공학 파손분석-고 주기 피로 HCF(High cycle fatigue)

기계공학 파손분석-고 주기 피로 HCF(High cycle fatigue) [기계공학] 파손분석-고 주기 피로 HCF(High cycle fatigue).pptx 목차 1.Fatigue Failure 2.High-cycle Fatigue 3.Case 1 : Al 2024 Fan Blade 4.Case 2 : 2124-T851 Al alloy 본문 Fracture Static Loading Brittle, Ductile, Creep Rupture Fatigue(Dynamic Loading) A degradation of mechanical properties leading to failure of a material or a component under cyclic loading High/Low cycle, Fatigue crack growth Classification of failures according to cause 77% of failures are generally caused directly or indirectly by fatigue Process of fatigue fracture The initiation The propagation of fatigue crack Catastrophic rupture High-cycle fatigue failure 피로파손시 반복하중의 횟수가이상일 때 고사이클 피로파손이라 함. S-N curve 응력(S)와 반복횟수(N)과의 관계를 나타낸 선도 본문내용 2124-T851 Al alloy IV Contents Fatigue Failure Deformation Fracture Property Change Deformation Property Change Fracture ※ 김태원, 파손분석 및 설계 강의노트, 2-3, 12-1 Failure Fracture Fatigue Failure Fracture Static Loading Fatigue(Dynamic Loading) A degradation of mechanical properties leading to failure of a material or a component under cyclic loading Brittle, Ductile, Creep Rupture High/Low cycle, Fati