Flash annealing enables 1 GPa nanoprecipitate-strengthened “NANOHITEN” ferritic steels

In this study, we explore the potential roles of flash annealing in the microstructure and mechanical behavior of a cold-rolled “NANOHITEN” ferritic steel. The process produces an ultrafine-grained heterostructured matrix composed of recrystallized/transformed and non-recrystallized/transformed doma...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-12, Vol.861, p.144364, Article 144364
Main Authors: Liu, Shichun, Dong, Haokai, Li, Yubo, Yang, Zhigang, Chen, Hao
Format: Article
Language:English
Subjects:
Advanced high strength steels
Flash annealing
Heterogeneous microstructure
Nanoprecipitates
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Summary:In this study, we explore the potential roles of flash annealing in the microstructure and mechanical behavior of a cold-rolled “NANOHITEN” ferritic steel. The process produces an ultrafine-grained heterostructured matrix composed of recrystallized/transformed and non-recrystallized/transformed domains, leading to a much higher strength level (1 GPa) without a marked loss in ductility. [Display omitted]
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2022.144364