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INFLUENCE OF HOT ROLLING AND HEAT TREATMENT PARAMETERS ON Q&P-STEEL STRUCTURE

1 CHERNIKOV Evgenii
Co-authors:
1 NAUMOV Anton A. 1 SHAMSHURIN Aleksei I.
Institution:
1 St.Petersburg State Polytechnical University, St.Petersburg, Russisan Federation, a.a.naumov@gmail.com, evgnchernikov@gmail.com, sham_a@mail.ru
Conference:
23rd International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 21 - 23, 2014
Proceedings:
Proceedings 23rd International Conference on Metallurgy and Materials
Pages:
639-644
ISBN:
978-80-87294-52-9
ISSN:
2694-9296
Published:
18th June 2014
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
208 views / 145 downloads
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Abstract

A microstructure of 3-rd generation advanced high strength steel treated by Q&P (quenching and partitioning) process was obtained. Numerical simulation of hot rolling on continuous mill 2000 by means of HSMM software (Hot Strip Mill Model) was utilized. Developed by numerical simulation schedules were realized on physical simulator Gleeble-3800 using tension-compression technique. The maximum retained austenite volume fraction 12.22 % located on ferrite-martensite-bainite boundaries was observed. Received after physical simulation samples were tested, maximum measuring tensile elongation 24.7 % and tensile strength about 1270 MPa were received.

Keywords: Q&P process, Gleeble testing, physical simulation, retained austenite

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