Role of grain boundary ferrite layer in dynamic recrystallization of semi-solid processed type 304L austenitic stainless steel

Samantaray, Dipti and Chaudhuri, Atanu and Borah, Utpal and Bhaduri, AK and Dutta, Pradip (2016) Role of grain boundary ferrite layer in dynamic recrystallization of semi-solid processed type 304L austenitic stainless steel. In: MATERIALS LETTERS, 179 . pp. 65-68.

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Abstract

A semi-solid processed steel with well arranged delta-ferrite layer around the austenite-solid globules is found to show different dynamic recrystallization (DRX) pattern compared to its conventionally processed counterpart with ferrite stringers across the austenite grains. Analysis of experimental results indicates that the presence of delta-ferrite layer around austenite-globules delays the nucleation of new DRX grains. On the other hand, with increase in temperature, the delta-ferrite layer contributes to increase in DRX fraction by restricting the grain growth of the austenite matrix prior to deformation. (C) 2016 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Publication:	MATERIALS LETTERS
Publisher:	ELSEVIER SCIENCE BV
Additional Information:	Copy right for this article belongs to the ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Keywords:	Metals and alloys; Microstructure; Recrystallization; Semi-Solid; Delta-ferrite layer
Department/Centre:	Division of Mechanical Sciences > Mechanical Engineering Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	30 Jun 2016 05:51
Last Modified:	30 Jun 2016 05:51
URI:	http://eprints.iisc.ac.in/id/eprint/54122

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