• Title/Summary/Keyword: 응력부시 균열

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Calculation of Stres Intensity Factor in Arbitrarily Shaped Plane Crack by Mobius Transformation (뫼비우스 사상을 이용한 임의의 3차원 평면균열에서의 응력확대계수 계산)

  • An, Deuk-Man
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.25 no.4
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    • pp.734-740
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    • 2001
  • In this paper the stress intensity factor under uniform pressure in the arbitrarily-shaped plane crack configuration transformed elliptic crack by Mobius mapping are determined. Using Dysons formula Boussinesq-Papkovich potentials for mode I deformation are constructed. In the example the stress intensity factors are approximately calculated by least square method.

Calculation of Stress Intensity Factor in Arbitrarily Shaped Plane Crack under Uniform Pressure Loading (일정 압력에 의한 3차원 평면균열에서의 응력확대계수 계산)

  • An, Deuk-Man
    • Proceedings of the KSME Conference
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    • 2000.11a
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    • pp.117-122
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    • 2000
  • In this paper the stress intensity factor under uniform pressure in the arbitrarily-shaped plane crack configuration transformed elliptic crack by Mobius mapping are determined. Using Dyson's formula Boussinesq-Papkovich potentials for mode I deformation are constructed. In the example the stress intensity factors are approximately calculated by least square method.

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A study on stress corrosion cracking of weld zone in 304-stainless steel (304 스테인레스鋼 熔接部의 응력부식구열에 관한 硏究)

  • 김경일;강인찬
    • Journal of Welding and Joining
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    • v.5 no.2
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    • pp.35-43
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    • 1987
  • The effect of post weld heat treatment (P.W.H.T) on the propagation rate of stress corrosion cracking(S.C.C) and threshold stress intensity factor ($K_{IC}.c.c$) for stress corrosion cracking of 304 stainless steel has been investigated in boiling 45% $MgCl_2$ solutions with W.O.L specimens. Specimens were precracked by turning a pair of Cr-Mo steel bolts into a machined slot at the end of the specimen. The fracture surface was examined fractographically by Scanning Electron Microscope(S.E.M.)

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