Abstract
The uniaxial tensile properties of a series of TRIP steels of varying carbon contents and processing histories were determined over a wide range of test temperatures. The yield strengths at room temperature varied both with the deformation temperature (over the range 250° to 550°C) and with the carbon content (0.05 to 0.20 pct). Possible reasons for these variations are advanced. For all steels, the −100°C yield strengths were substantially lower than the 100°C yield strengths. The minima and maxima in the yield strengths vs temperatures curves were especially pronounced for the steels processed at the lowest deformation temperatures. Both the rate of work hardening and the elongation were influenced by the strain-induced austenite-to-martensite transformation. The rate of strain hardening and the rate of production of strain-induced martensite (per unit strain) increased with decreasing temperature.
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Formerly Graduate Student, University of California, Berkeley, Calif.
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Chanani, G.R., Zackay, V.F. & Parker, E.R. Tensile properties of 0.05 to 0.20 Pct C TRIP steels. Metall Trans 2, 133–139 (1971). https://doi.org/10.1007/BF02662648
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DOI: https://doi.org/10.1007/BF02662648