The role of retained austenite on the stress-strain behaviour of chemically patterned steels

The role of retained austenite on the stress-strain behaviour of chemically patterned steels

Two medium Mn steels with ghost pearlite microstructures and different C contents are compared, to reveal the effect of C on the stress-strain behaviours. Results indicate that with similar mechanical stability of austenite, higher C leads to stronger austenite and TRIPed martensite, thus providing...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-01, Vol.831, p.142286, Article 142286
Hauptverfasser: An, X.L., Zhang, R.M., Wu, Y.X., Zou, Y., Zhang, L.T., Zhang, K., Wang, L.Y., Li, Y.S., Hutchinson, C.R., Sun, W.W.
Format: Artikel
Sprache:eng
Schlagworte:
Advanced high strength steels
Ghost pearlite
Manganese steels
Martensite
Mechanical stability
Pearlite
Retained austenite
Strain hardening
Stress-strain relationships
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Zusammenfassung:Two medium Mn steels with ghost pearlite microstructures and different C contents are compared, to reveal the effect of C on the stress-strain behaviours. Results indicate that with similar mechanical stability of austenite, higher C leads to stronger austenite and TRIPed martensite, thus providing more pronounced strain hardening behaviour.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2021.142286