Deciphering the Possible Role of Strain Path on the Evolution of Microstructure, Texture, and Magnetic Properties in a Fe-Cr-Ni Alloy

Deciphering the Possible Role of Strain Path on the Evolution of Microstructure, Texture, and... Deciphering the Possible Role of Strain Path on the Evolution of Microstructure, Texture, and Magnetic Properties in a Fe-Cr-Ni Alloy AMIT KUMAR , RAJESH KISNI KHATIRKAR , AMAN GUPTA , SATISH K. SHEKHAWAT, and SATYAM SUWAS In the present work, the influence of strain path on the evolution of microstructure, crystallographic texture, and magnetic properties of a two-phase Fe-Cr-Ni alloy was investigated. The Fe-Cr-Ni alloy had nearly equal proportion of austenite and ferrite and was cold rolled up to a true strain of 1.6 (thickness reduction) using two different strain paths—unidirectional rolling and multi-step cross rolling. The microstructures were character- ized by scanning electron microscopy (SEM) and electron backscattered diffraction (EBSD), while crystallographic textures were determined using X-ray diffraction. For magnetic characterization, B-H loops and M-H curves were measured and magnetic force microscopy was performed. After unidirectional rolling, ferrite showed the presence of strong a-fiber (rolling direction, RD//h110i) and austenite showed strong brass type texture (consisting of Brass (Bs) ({110}h112i), Goss ({110}h001i), and S ({123}h634i)). After multi-step cross rolling, strong rotated cube ({100}h110i) was developed in ferrite, while austenite showed ND (normal direction) rotated brass (~ 10 deg) texture. The strain-induced martensite (SIM) was found to be higher in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallurgical and Materials Transactions A Springer Journals

Deciphering the Possible Role of Strain Path on the Evolution of Microstructure, Texture, and Magnetic Properties in a Fe-Cr-Ni Alloy

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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/s11661-018-4714-0
Publisher site
See Article on Publisher Site

Abstract

Deciphering the Possible Role of Strain Path on the Evolution of Microstructure, Texture, and Magnetic Properties in a Fe-Cr-Ni Alloy AMIT KUMAR , RAJESH KISNI KHATIRKAR , AMAN GUPTA , SATISH K. SHEKHAWAT, and SATYAM SUWAS In the present work, the influence of strain path on the evolution of microstructure, crystallographic texture, and magnetic properties of a two-phase Fe-Cr-Ni alloy was investigated. The Fe-Cr-Ni alloy had nearly equal proportion of austenite and ferrite and was cold rolled up to a true strain of 1.6 (thickness reduction) using two different strain paths—unidirectional rolling and multi-step cross rolling. The microstructures were character- ized by scanning electron microscopy (SEM) and electron backscattered diffraction (EBSD), while crystallographic textures were determined using X-ray diffraction. For magnetic characterization, B-H loops and M-H curves were measured and magnetic force microscopy was performed. After unidirectional rolling, ferrite showed the presence of strong a-fiber (rolling direction, RD//h110i) and austenite showed strong brass type texture (consisting of Brass (Bs) ({110}h112i), Goss ({110}h001i), and S ({123}h634i)). After multi-step cross rolling, strong rotated cube ({100}h110i) was developed in ferrite, while austenite showed ND (normal direction) rotated brass (~ 10 deg) texture. The strain-induced martensite (SIM) was found to be higher in

Journal

Metallurgical and Materials Transactions ASpringer Journals

Published: Jun 1, 2018

References

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