Overview of the quantitative evaluation procedure of strain rate and temperature effects on fracture toughness proposed by the authors is introduced. Important concept of former researches is that the fracture toughness is a function of the strain rate-temperature parameter (R), which enables to unify both strain rate and temperature effects for the mechanical properties of materials. Using this knowledge, the equivalent temperature shift values at arbitrary strain rate from static loading condition are proposed.
Practical Evaluation of the Strain Rate and Temperature Effects on Fracture Toughness of Steels
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Gotoh, K. "Practical Evaluation of the Strain Rate and Temperature Effects on Fracture Toughness of Steels." Proceedings of the ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. Volume 4: Materials Technology. St. John’s, Newfoundland, Canada. May 31–June 5, 2015. V004T03A015. ASME. https://doi.org/10.1115/OMAE2015-41982
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