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Deformation Behavior of AM30 Magnesium Alloy

Bisht, A and Yadav, V and Suwas, S and Dixit, U S (2018) Deformation Behavior of AM30 Magnesium Alloy. In: JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 27 (9). pp. 4900-4910.

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Official URL: http://dx.doi.org/10.1007/s11665-018-3567-4

Abstract

In this study, deformation behavior of AM30 magnesium alloy is investigated in the hot working regime and empirical relations are developed. Compression tests were performed in the 0.001-10s(-1) strain rate range and 423-623K temperature range to obtain the mechanical properties. The compression curves were fitted using two approaches, viz. piecewise linear fitting and a Johnson-Cook type relation. Piecewise linear fit is found to be appropriate for describing the mechanical behavior in the dynamic recrystallization (DRX) regime as compared to the proposed Johnson-Cook type relation. The Johnson-Cook type model is not able to capture the essential feature of DRX, particularly at high strain rates.

Item Type: Journal Article
Additional Information: Copy right for this article belong to SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Keywords: AM30 magnesium alloy; compression test; deformation energy; dynamic recrystallization; empirical relation; microstructure
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 26 Sep 2018 15:27
Last Modified: 26 Sep 2018 15:27
URI: http://eprints.iisc.ac.in/id/eprint/60742

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