Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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A Model Estimating the Propagation Behavior of through cracks in Aluminum alloy A5083-O for LNG Tank

LNG탱크용 알루미늄합금 A5083-O의 관통균열 전파거동 예측 모델

  • 김영식 (한국해양대학교 재료공학부) ;
  • 조상명 (부경대학교 생산가공학과) ;
  • 김종호 (한국해양대학교 기관공학부)
  • Published : 1998.02.01
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Abstract

The leak before break(LBB) concept is generalized on the design of LNG tanks, pressure vessels and nuclear reactor in that any leakage of containment, in whatever amount, will not result in catastropic failure. For this purpose it is necessary to determine the surface crack shape, the opening displacement and the risk of catastropic brittle fracture when it becomes a through crack. In this study the crack propagation behavior of surface flaws and the crack opening displacement of through cracks under combined membrane and bending stresses were investigated with fatigue tests and fracture toughness test of aluminium alloy A5083-O. And fracture mechanics analysis of the crack opening displacement of through cracks were made in order to develop a new model expressing the behaviors of COD under combined membrane and bending stresses.

Keywords

References

  1. Boiler and Pressure Vessel code, Section XI Rules for Inservice Inspection of Nuclear Power Plant Components ASME
  2. 破壞力學-理論.解析から工學的應用まて 失川元基
  3. 선급 및 강선규칙 액화가스 산적운반선 한국선급
  4. Norwegian Maritime Research v.1 no.2 Fracture Mechanics in the Design of Large Spherical Tanks for Ship Transport of LNG P. Tenge;O. Solli
  5. 日本造船學會論文集 no.165 疲勞龜裂傳播のツミコレ-ツヨンによる信賴性評價 黃培彦(外 3名)
  6. Fatigue Crack Growth in Aluminium Alloy 5083-O Thick Plates and Welds for Liquefied Natural Gas Tanks R. A. Kelsey
  7. 日本造船學會論文集 no.153 アルミニウム合金5083-O板骨溶接構造の疲勞設計法の檢討 後川理(外 6名)
  8. Methods for Crack Opening Displacement (COD) Testing British Standards Institution
  9. E 1290-89 Standard Test Method for Crack Tip Opening Displacement Testing American Society for Testing and Materials
  10. On Criteria for J-Dominance of Crack Tip Field in Large-Scale Yielding R.M. McMeeking;D.M. Parks
  11. The Effect of Speciment Geometry on $J_{IC}$ J.D. Landes;J.A. Begley
  12. Some Further Result of J-Integral Analysis and Estimates J.R. Rice;P.C. Paris
  13. Elastic-Plastic Analysis of Growing Cracks J.R. Rice
  14. ASTM STP 803 Material and Instability Beyond J-Controlled Crack Growth H.A.Ernest
  15. Standard Test Method for Determining J-R Curves ASTM
  16. Standard Test Method for $J_{IC}$, a Measure of Fracture Toughness ASTM
  17. 日本機械學會論文集 v.52 no.483 表面龜裂貫通擧動-第1報 引張荷重を受ける場合 藤住(外 4名)
  18. 대한용접학회 v.12 no.3 응력비의 영향을 고려한 알루미늄합금 A5083-O의 피로균열전파 특성 예측모델 김영식;조상명;김종호