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Hydrogen permeation in twinning-induced plasticity (TWIP) steel

Version 2 2024-06-04, 02:09
Version 1 2019-02-18, 12:50
journal contribution
posted on 2024-06-04, 02:09 authored by O Kazum, Hossein BeladiHossein Beladi, MB Kannan
The hydrogen permeation behavior of twining-induced plasticity (TWIP) steel was studied using a Devanathan-Stachurski hydrogen permeation cell. The TWIP steel exhibited three orders of magnitude lower hydrogen permeation rate as compared to the mild steel at room temperature. The hydrogen permeation rate of the TWIP steel was 1.71 × 10−18 mol cm−1 s−1 at 25 °C, but it increased with the increase in the electrolyte temperature: 5.55 × 10−17 mol cm−1 s−1 at 30 °C, 6.56 × 10−17 mol cm−1 s−1 at 40 °C and 8.84 × 10−17 mol cm−1 s−1 at 50 °C. Interestingly, the effective hydrogen diffusivity of TWIP steel was significantly higher as compared to that of mild steel, at all the four test temperatures. Activation energy calculations suggest that the hydrogen permeation was primarily through the grain boundaries in TWIP steel, and therefore exhibited higher effective hydrogen diffusivity in comparison with mild steel.

History

Journal

International journal of hydrogen energy

Volume

43

Pagination

22685-22693

Location

Amsterdam, The Netherlands

ISSN

0360-3199

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2018, Hydrogen Energy Publications LLC

Issue

50

Publisher

Elsevier