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Formation of widmanstätten ferrite in a C-Mn steel at temperatures high in the austenite phase field

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Aranas, Clodualdo, Grewal, Rupanjit, Chadha, Kanwal, Shahriari, Davood, Jahazi, Mohammad et Jonas, John J.. 2015. « Formation of widmanstätten ferrite in a C-Mn steel at temperatures high in the austenite phase field ». In International Conference on Solid-Solid Phase Transformations in Inorganic Materials 201 (PTM 2015) (Whistler, BC, Canada, June 28, 2015 - July 3, 2015) pp. 613-620. International Conference on Solid-Solid Phase Transformations in Inorganic Materials.
Compte des citations dans Scopus : 8.

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Abstract

Gleeble compression tests were carried out on a 0.06%C-0.3%Mn-0.01%Si steel over the temperature range 1000°C to 1350°C. Strains of 0.7 were applied at a strain rate of 1s-1. The double differentiation method was employed to determine the critical strains for the initiation of dynamic transformation (0.05 - 0.12) and dynamic recrystallization (0.10 - 0.18). The occurrence of dynamic transformation was detected at temperatures up to 1350°C. Optical and electron microscopy images indicated that Widmanstätten ferrite plates were being formed in the austenite phase field and that the plates coalesced into polygonal grains during straining. These results are interpreted in terms of the flow softening model of dynamic transformation.

Item Type: Conference proceeding
Professor:
Professor
Jahazi, Mohammad
Affiliation: Génie mécanique
Date Deposited: 10 May 2016 18:34
Last Modified: 19 Aug 2020 18:32
URI: https://espace2.etsmtl.ca/id/eprint/12590

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