Kinetics of carburizing of duplex stainless steel (DSS) by superplastic compression at different strain rates

Ahamad, Nor Wahida and Jauhari, Iswadi and Abdul Azis, Sharidah Azuar and Abd Aziz, Nur Hafizah (2010) Kinetics of carburizing of duplex stainless steel (DSS) by superplastic compression at different strain rates. Materials Science and Engineering: A, 527 (16-17). pp. 4257-4261. ISSN 0921-5093, DOI https://doi.org/10.1016/j.msea.2010.03.038.

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Official URL: https://doi.org/10.1016/j.msea.2010.03.038

Abstract

In this work, superplastic carburizing (SPC) of duplex stainless steel (DSS) under compression mode has been studied. Carburizing was performed at temperatures ranging from 1198-1248 K and strain ranging from 0.1-0.5 under two strain rates (1 x 10(-3) and 1 x 10(-4) s(-1)), A Carburized layer in the range of 17-63 mu m was obtained at the high strain rate whereas at low strain rate the layer was in the range of 50-159 mu m. The activation energy for carburizing varies from 227 kJ mol(-1) at the high strain rate to 183 kJ mol(-1) at the low one. The results have revealed that SPC not only depends on the temperature and strain (time) but also on the strain rate. (C) 2010 Elsevier B.V. All rights reserved.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Superplastic Carburizing; Compression; Activation energy
Subjects: Q Science > Q Science (General)
Depositing User: Mr Faizal 2
Date Deposited: 06 Apr 2015 01:09
Last Modified: 28 Apr 2021 07:30
URI: http://eprints.um.edu.my/id/eprint/13196

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