In 2006, EricksonKirk and EricksonKirk proposed a model describing a temperature dependence for upper shelf fracture toughness (JIc), based on the Zerilli-Armstrong (ZA) temperature dependence of the flow stress, that was common to the large number of ferritic steel datasets studied. The equation describing the temperature dependence of JIc was found to be a simple scalar multiple of the temperature dependence predicted by ZA for flow stress. Since that time a large dataset has been developed containing many experimental measurements of JIc for the purpose assessing and refining the previously proposed model. The new data, reported herein, validates the previously proposed model of JIc temperature dependence but suggests that revisions of the previously proposed model of JIc uncertainty are needed to ensure the applicability of the model to both low and high fracture toughness steels.
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ASME 2017 Pressure Vessels and Piping Conference
July 16–20, 2017
Waikoloa, Hawaii, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5790-8
PROCEEDINGS PAPER
Large Dataset Assessment of the Upper Shelf Master Curve Model
Mark Kirk,
Mark Kirk
Nuclear Regulatory Commission, Rockville, MD
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Marjorie Erickson,
Marjorie Erickson
Phoenix Engineering Associates, Inc., Unity, NH
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Richard Link
Richard Link
United States Naval Academy, Annapolis, MD
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Mark Kirk
Nuclear Regulatory Commission, Rockville, MD
Marjorie Erickson
Phoenix Engineering Associates, Inc., Unity, NH
Richard Link
United States Naval Academy, Annapolis, MD
Paper No:
PVP2017-66280, V01AT01A010; 8 pages
Published Online:
October 26, 2017
Citation
Kirk, M, Erickson, M, & Link, R. "Large Dataset Assessment of the Upper Shelf Master Curve Model." Proceedings of the ASME 2017 Pressure Vessels and Piping Conference. Volume 1A: Codes and Standards. Waikoloa, Hawaii, USA. July 16–20, 2017. V01AT01A010. ASME. https://doi.org/10.1115/PVP2017-66280
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