Influence of Heat Treatments on Microstructure and Magnetic Domains in Duplex Stainless Steel S31803

Influence of Heat Treatments on Microstructure and Magnetic Domains in Duplex Stainless Steel S31803 Influence of Heat Treatments on Microstructure and Magnetic Domains in Duplex Stainless Steel S31803 JEAN DILLE, CLARA JOHANNA PACHECO, CESAR GIRON CAMERINI, LOIC CHARLES MALET, BERNARD NYSTEN, GABRIELA RIBEIRO PEREIRA, LUIZ HENRIQUE DE ALMEIDA, and JOAO MARCOS ALCOFORADO REBELLO The influence of heat treatments on microstructure and magnetic domains in duplex stainless steel S31803 is studied using an innovative structural characterization protocol. Electron backscatter diffraction (EBSD) maps as well as magnetic force microscopy (MFM) images acquired on the same region of the sample, before and after heat treatment, are compared. The influence of heat treatments on the phase volumetric fractions is studied, and several structural modifications after heat treatment are highlighted. Three different mechanisms for the decomposition of ferrite into sigma phase and secondary austenite are observed during annealing at 800 C. MFM analysis reveals that a variety of magnetic domain patterns can exist in one ferrite grain. https://doi.org/10.1007/s11661-018-4721-1 The Minerals, Metals & Materials Society and ASM International 2018 I. INTRODUCTION its most attractive properties after a controlled solution heat treatment leading to approximately equal volume DUPLEX stainless steels represent a very interesting [5] fractions of d ferrite and c austenite. alternative to austenitic-grade stainless steels with Any further http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallurgical and Materials Transactions A Springer Journals

Influence of Heat Treatments on Microstructure and Magnetic Domains in Duplex Stainless Steel S31803

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Publisher
Springer US
Copyright
Copyright © 2018 by The Minerals, Metals & Materials Society and ASM International
Subject
Materials Science; Metallic Materials; Characterization and Evaluation of Materials; Structural Materials; Surfaces and Interfaces, Thin Films; Nanotechnology
ISSN
1073-5623
eISSN
1543-1940
D.O.I.
10.1007/s11661-018-4721-1
Publisher site
See Article on Publisher Site

Abstract

Influence of Heat Treatments on Microstructure and Magnetic Domains in Duplex Stainless Steel S31803 JEAN DILLE, CLARA JOHANNA PACHECO, CESAR GIRON CAMERINI, LOIC CHARLES MALET, BERNARD NYSTEN, GABRIELA RIBEIRO PEREIRA, LUIZ HENRIQUE DE ALMEIDA, and JOAO MARCOS ALCOFORADO REBELLO The influence of heat treatments on microstructure and magnetic domains in duplex stainless steel S31803 is studied using an innovative structural characterization protocol. Electron backscatter diffraction (EBSD) maps as well as magnetic force microscopy (MFM) images acquired on the same region of the sample, before and after heat treatment, are compared. The influence of heat treatments on the phase volumetric fractions is studied, and several structural modifications after heat treatment are highlighted. Three different mechanisms for the decomposition of ferrite into sigma phase and secondary austenite are observed during annealing at 800 C. MFM analysis reveals that a variety of magnetic domain patterns can exist in one ferrite grain. https://doi.org/10.1007/s11661-018-4721-1 The Minerals, Metals & Materials Society and ASM International 2018 I. INTRODUCTION its most attractive properties after a controlled solution heat treatment leading to approximately equal volume DUPLEX stainless steels represent a very interesting [5] fractions of d ferrite and c austenite. alternative to austenitic-grade stainless steels with Any further

Journal

Metallurgical and Materials Transactions ASpringer Journals

Published: Jun 5, 2018

References

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