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- W74985364 abstract "The Heavy-Section Steel Technology Program is investigating the role of nonlinear rate-dependent effects in the interpretation of crack run-arrest events in ductile materials through the development and application of viscoplastic dynamic fracture analysis techniques. This report describes studies that determined the viscoplastic material response of a heat of A533 grade B class 1 pressure vessel steel over a range of strain rates and temperatures. Hopkins torsion bar experiments were conducted at temperatures of {minus}60, 20, and 150{degree}C and at engineering shear strain rates of 400, 150, and 3000 s{sup {minus}1}. The results of these experiments are presented in the form of stress-strain curves, stress-time curves, strain rate-time curves, and strain rate-strain curves. For all strain rates investigated in this study, the A533 grade B class 1 steel has a significant temperature sensitivity; for all temperatures, the material also exhibits a small, yet clearly measurable, strain rate sensitivity in the range from 400 to 3000 s{sup {minus}1} engineering shear strain rate. The torsional data compiled in this study are shown to be in good agreement with previously measured high-strain-rate tensile data over the same temperature range. 15 refs., 19 figs., 1 tab." @default.
- W74985364 created "2016-06-24" @default.
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- W74985364 date "1989-09-01" @default.
- W74985364 modified "2023-10-14" @default.
- W74985364 title "Viscoplastic stress-strain characterization of A533 grade B class 1 steel" @default.
- W74985364 doi "https://doi.org/10.2172/5682313" @default.
- W74985364 hasPublicationYear "1989" @default.
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