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      KCI등재 SCOPUS

      휜 광폭평판 시험을 이용한 원자력 배관의 파괴 거동예측 = Prediction of Failure Behavior for Nuclear Piping Using Curved Wide-Plate Test

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      https://www.riss.kr/link?id=A104477773

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      다국어 초록 (Multilingual Abstract)

      One important element of the Leak-Before-Break analysis of nuclear piping is how to determine relevant fracture toughness (or the J-resistance curve) for nonlinear fracture mechanics analysis. The practice to use fracture toughness from a standard C(T) specimen is known to often give conservative estimates of toughness. To improve the accuracy, this paper proposes a new method to determine fracture toughness using a non-standard testing specimen, curved wide-plate in tension. To show validity of the proposed curved wide-plate test, the J-resistance curve from the full-scale pipe test is compared with that from the curved wide-plate test and that from the C(T) specimen. It is shown that the J-resistance curve form the curved wide-plate tension test is similar to, but that from the C(T) specimen is lower than, the J-resistance curve from the full-scale pipe test. Further validation is performed by investigating crack-tip constraint conditions via detailed 3-D FE analyses, which shows that the crack-tip constraint condition in the curved wide-plate tension specimen is indeed similar to that in the full-scale pipe under bending.
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      One important element of the Leak-Before-Break analysis of nuclear piping is how to determine relevant fracture toughness (or the J-resistance curve) for nonlinear fracture mechanics analysis. The practice to use fracture toughness from a standard C(T...

      One important element of the Leak-Before-Break analysis of nuclear piping is how to determine relevant fracture toughness (or the J-resistance curve) for nonlinear fracture mechanics analysis. The practice to use fracture toughness from a standard C(T) specimen is known to often give conservative estimates of toughness. To improve the accuracy, this paper proposes a new method to determine fracture toughness using a non-standard testing specimen, curved wide-plate in tension. To show validity of the proposed curved wide-plate test, the J-resistance curve from the full-scale pipe test is compared with that from the curved wide-plate test and that from the C(T) specimen. It is shown that the J-resistance curve form the curved wide-plate tension test is similar to, but that from the C(T) specimen is lower than, the J-resistance curve from the full-scale pipe test. Further validation is performed by investigating crack-tip constraint conditions via detailed 3-D FE analyses, which shows that the crack-tip constraint condition in the curved wide-plate tension specimen is indeed similar to that in the full-scale pipe under bending.

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      참고문헌 (Reference)

      1 "Two-Parameter Characterization of Elastic-Plastic Crack-Tip Fields" 58 : 104-110, 1991

      2 "The GKSS Test Procedure for Determining the Fracture Behaviour of Materials: EFAM GTP 94" GKSS. 1994

      3 "Standard Test Method for Measurement of Fracture Toughness" 2001

      4 "Singular Behavior of End of a Tensile Crack Tip in a Hardening Material" 16 : 13-31, 1968

      5 "Plastic Fracture Mechanics Prediction of Fracture Instability in a Circumferentially Cracked Pipe in Bending-Part I. J-Integral Analysis" 103 : 352-358, 1981

      6 "Plastic -factor Solutions of Homogeneous and Bi-Material SE(T) Specimens for Toughness and Creep Crack Growth Testing" 24 : 751-760, 2001

      7 "Plane Strain Deformation near a Crack Tip in a Power-Law Hardening Material" 16 : 1-12, 1968

      8 "Family of Crack Tip Fields Characterized by a Triaxiality Parameter-II, Fracture Applications" 40 (40): 939-963, 1991

      9 "Family of Crack Tip Fields Characterized by a Triaxiality Parameter-I, Structure of Fields" 39 (39): 989-1015, 1991

      10 "Experimental Investigation of Fracture Toughness Scaling Models, Constraint Effects in Fracture Theory and Applications: 2nd Volume" 286-315, 1995

      1 "Two-Parameter Characterization of Elastic-Plastic Crack-Tip Fields" 58 : 104-110, 1991

      2 "The GKSS Test Procedure for Determining the Fracture Behaviour of Materials: EFAM GTP 94" GKSS. 1994

      3 "Standard Test Method for Measurement of Fracture Toughness" 2001

      4 "Singular Behavior of End of a Tensile Crack Tip in a Hardening Material" 16 : 13-31, 1968

      5 "Plastic Fracture Mechanics Prediction of Fracture Instability in a Circumferentially Cracked Pipe in Bending-Part I. J-Integral Analysis" 103 : 352-358, 1981

      6 "Plastic -factor Solutions of Homogeneous and Bi-Material SE(T) Specimens for Toughness and Creep Crack Growth Testing" 24 : 751-760, 2001

      7 "Plane Strain Deformation near a Crack Tip in a Power-Law Hardening Material" 16 : 1-12, 1968

      8 "Family of Crack Tip Fields Characterized by a Triaxiality Parameter-II, Fracture Applications" 40 (40): 939-963, 1991

      9 "Family of Crack Tip Fields Characterized by a Triaxiality Parameter-I, Structure of Fields" 39 (39): 989-1015, 1991

      10 "Experimental Investigation of Fracture Toughness Scaling Models, Constraint Effects in Fracture Theory and Applications: 2nd Volume" 286-315, 1995

      11 "Effects of Crack Depth and Mode of Loading on the J-R Curve Behavior of a High-Strength Steel, Constraint Effects in Fracture" 239-263, 1993

      12 "Derivation of Parameter from Limit Load Expression of Cracked Component to Evaluate J-R Curve" 78 : 401-427, 2001

      13 "ABAQUS Ver. 5.8-User’s manual," Hibbitt" Karlsson & Sorensen, Inc. 1999.

      14 "A Study on the Evaluation of the Pipe Fracture Characteristic (II)" 436-441, 2002

      15 "A Procedure for the Experimental Assessment of the J-Integral by means of Specimens of Different Geometries" 23 : 81-93, 1986

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2023 평가예정 해외DB학술지평가 신청대상 (해외등재 학술지 평가)
      2020-01-01 평가 등재학술지 유지 (해외등재 학술지 평가) KCI등재
      2010-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2008-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2006-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2004-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2001-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      1998-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.27 0.27 0.25
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.24 0.23 0.506 0.06
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