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RISS
It is attempted to develope a simple, reliable and cost-effective measuring device of the dynamic crack propagation velocity in nuclear pressure vessel steel (SA516 gr. 70). A relationship between instantaneous crack tip velocities and dynamic stress ...
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RISS 인기검색어
Stress Intensity Factor and Crack Propagation Velocity in Nuclear Pressure Vessel Steel (SA516 gr.70)
한글로보기https://www.riss.kr/link?id=A2031818
-
저자
Han, Min Ku (機械設計學科) ; Chung, Suk Choo (機械設計學科)
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1991
-
작성언어
English
-
KDC
050
-
자료형태
학술저널
-
수록면
51-58(8쪽)
- 제공처
- 소장기관
-
0
상세조회 -
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다국어 초록 (Multilingual Abstract)
It is attempted to develope a simple, reliable and cost-effective measuring device of the dynamic crack propagation velocity in nuclear pressure vessel steel (SA516 gr. 70). A relationship between instantaneous crack tip velocities and dynamic stress intensity factors for pressure vessel steels is estimated using dynamic crack propagation velocities determined by a proposed measuring device. The corresponding dynamic stress intensity factor vs. time history and the dynamic arrest toughness for each test are obtained using the generation mode dynamic finite element analysis. A function ?? which may be useful to predict the relationship between the dynamic fracture toughness and the dynamic crack arrest toughness for SA516 gr. 70 steel is suggested.
It is attempted to develope a simple, reliable and cost-effective measuring device of the dynamic crack propagation velocity in nuclear pressure vessel steel (SA516 gr. 70). A relationship between instantaneous crack tip velocities and dynamic stress intensity factors for pressure vessel steels is estimated using dynamic crack propagation velocities determined by a proposed measuring device. The corresponding dynamic stress intensity factor vs. time history and the dynamic arrest toughness for each test are obtained using the generation mode dynamic finite element analysis. A function ?? which may be useful to predict the relationship between the dynamic fracture toughness and the dynamic crack arrest toughness for SA516 gr. 70 steel is suggested.
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