@inproceedings{307a2834c61e45aab6d0d549528732b8,
title = "Microstructure and tensile properties of TRIP-aided steel sheet subjected to hot-rolling and austempering",
abstract = "Various high strength steel sheets for weight reduction and safety improvement of vehicles have been developed. TRIP-aided steel with transformation induced plasticity of the retained austenite has high strength and ductility. Conventional TRIP-aided steels are subjected to austempering process after austenitizing. Generally, elongation and formability of TRIP-aided steel are improved by finely dispersed retained austenite in BCC phase matrix. The finely dispersed retained austenite and grain refinement of TRIP-aided steel can be achieved by hot rolling with heat treatment. Therefore, the improvement of mechanical properties of TRIP-aided steel is expected from the manufacturing process with hot rolling and then isothermal transformation process. In this study, thermomechanical heat treatment is performed by combining hot rolling and isothermal holding as the manufacturing process of TRIP-aided steel sheets. The complex phase matrix is obtained by hot rolling and then isothermal holding. Although the hardness of the hot rolled and isothermal held TRIP-aided steel is decreased, the volume fraction of retained austenite is increased.",
keywords = "Austempering, Retained austenite, Rolling, TRIP-aided steel, Tensile property",
author = "Junya Kobayashi and Hiroto Sawayama and Naoya Kakefuda and Goroh Itoh and Shigeru Kuraoto and Tomohiko Hojo",
note = "Funding Information: The authors would like to thank the Grants from the AMADA foundation (AF-2018014-B2) for its financial support. Publisher Copyright: {\textcopyright} 2021 Trans Tech Publications Ltd, Switzerland.; International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications, THERMEC 2021 ; Conference date: 10-05-2021 Through 14-05-2021",
year = "2021",
doi = "10.4028/www.scientific.net/MSF.1016.732",
language = "English",
isbn = "9783035736304",
series = "Materials Science Forum",
publisher = "Trans Tech Publications Ltd",
pages = "732--737",
editor = "Mihail Ionescu and Christof Sommitsch and Cecilia Poletti and Ernst Kozeschnik and Tara Chandra",
booktitle = "THERMEC 2021 - International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications",
}