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Crystallographic analysis of nano-structured bainitic steels

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conference contribution
posted on 2008-01-01, 00:00 authored by Hossein BeladiHossein Beladi, Y Adachi, Ilana Timokhina, Peter HodgsonPeter Hodgson
A 0.79C-1.5Si-1.98Mn-0.98Cr-0.24Mo-1.06Al-1.58Co (wt%) steel was isothermally heat treated at 200 and 350°C bainitic transformation temperatures. The microstructure was consisted of bainitic ferrite lath and retained austenite for both heat treatment conditions. The crystallographic analysis revealed that the bainitic ferrite laths are close to the Nishiyama-Wassermann orientation relationship with their parent austenite. The isothermal bainite transformation temperature has a significant effect on the retained austenite characteristics and the variant selection of the bainitic ferrite laths. In general, a decrease in the isothennal bainite transformation temperature refined the bainitic structure and weakened the variant selection.

History

Event

International Conference on Thermomechanical Processing of Steels (3rd : 2008 : Padua, Italy)

Pagination

1 - 6

Publisher

Associazione Italiana Di Metallurgia

Location

Padua, Italy

Place of publication

Padua, Italy

Start date

2008-09-10

End date

2008-09-12

ISBN-13

9788885298668

ISBN-10

8885298664

Language

eng

Publication classification

E2 Full written paper - non-refereed / Abstract reviewed

Copyright notice

2008, Associazione Italiana Di Metallurgia

Title of proceedings

TMP 2008 : Proceedings of the 3rd International Conference on Thermomechanical Processing of Steels

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