STUDY OF HYDROGEN DIFFUSION OF ENAMELLED STEEL SHEET

J Chin Soc Corr Pro

2010, Vol. 30

Issue (4): 269-272 DOI:

Research Articles

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STUDY OF HYDROGEN DIFFUSION OF ENAMELLED STEEL SHEET

MA Fangrong¹, LI Jinxu¹, CHU Wuyang¹, ZHANG Wanling², YANG Dake²

1. Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083
2. Wuhan Iron and Steel Group Company,Wuhan 430083

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Abstract

Hydrogen-induced fish-scaling resistance got better as hydrogen diffusion coefficient of enamelled steel sheet D decreased, which is inversely proportional with the TH value. The main objective of this work was to study the effects of certain variables such as nickel-plating or not, sample thickness, promoter concentration and charging current on TH value. The results showed that no-nickel-plating for sample surface did not influence the stability of TH value. If sample thickness d increased from 0.25 mm to 0.6 mm, TH value decreased linearly. TH value kept invariant when d ≥ 0.6 mm. TH value decreased with the increase of charging current density and promoter concentration.

Key words:
enamelled steel sheet fish-scaling hydrogen permeation TH value

Received: 22 June 2009

ZTFLH:

TQ173.7

Corresponding Authors: LI Jinxu E-mail: jxli65@mater.ustb.edu.cn

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Cite this article:

MA Fangrong, LI Jinxu, CHU Wuyang, ZHANG Wanling, YANG Dake. STUDY OF HYDROGEN DIFFUSION OF ENAMELLED STEEL SHEET. J Chin Soc Corr Pro, 2010, 30(4): 269-272.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2010/V30/I4/269

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