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Effect of testing temperature and strain rate on the transformation behaviour of retained austenite in low-alloyed multiphase stee

AuthorsJiménez, José Antonio; Carsí, Manuel; Ruano, Oscar Antonio; Frommeyer, G.
KeywordsTRIP steel
X-ray diffraction
Issue DateJan-2009
CitationMaterials Science and Engineering: A 508 (1–2) : 195–199 (2009)
AbstractThe influence of temperature and strain rate on the evolution of the retained austenite content during plastic straining has been studied by tensile tests performed at 4 × 10−4, 10−2 and 0.4 s−1 between −100 and 450 °C. Up to 150 °C, the austenitic volume fraction mechanically transformed decreases with increasing testing temperature being almost independent of strain rate. In contrast, above 150 °C the martensite transformation depends on testing temperature and strain rate since it is related to the ability of carbon atoms for pinning dislocations
Publisher version (URL)http://dx.doi.org/10.1016/j.msea.2008.12.048
Appears in Collections:(CENIM) Artículos
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