Correlation between microstructure and mechanical properties before and after reversion of metastable austenitic stainless steels
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hdl:2117/83834
Tipus de documentArticle
Data publicació2015
Condicions d'accésAccés obert
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Abstract
Reversion treatments are a way to improve the mechanical response of metastable austenitic
stainless steels by means of grain refinement. To effectively apply those treatments, the steel
must be previously deformed to induce a significant amount of martensitic transformation. In
this work, the effect of reversion treatments was studied on a commercial AISI 301LN grade
subjected to an industrial cold rolling process, with thickness reductions not higher than 40 pct.
Microstructural changes and evolution of both monotonic and cyclic mechanical properties
were investigated after cold rolling and upon reversion treatments. Results revealed that the
finer austenitic microstructure obtained after reversion leads to an interesting combination of
properties, with strong increments in hardness and yield strength, and also fatigue limit
improvement, as compared to the initial annealed condition.
CitacióFargas, G., Zapata, A., Roa, J.J., Sapezanskaia, I., Mateo, A. Correlation between microstructure and mechanical properties before and after reversion of metastable austenitic stainless steels. "Metallurgical and materials transactions A-Physical metallurgy and material", 2015, vol. 46A, p. 5697-5707.
ISSN1073-5623
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