Effect of hydrogen concentration on strain behaviour of pipeline steel

被引：48
|
作者：
Dmytrakh, I. M. [1 ]
Leshchak, R. L. [1 ]
Syrotyuk, A. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, UA-79060 Lvov, Ukraine
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 10期
关键词：
Pipeline steel; Hydrogen charging of metal; Hydrogen concentration; Static loading and strain behaviour; EVOLUTION REACTION; ABSORPTION;
D O I：
10.1016/j.ijhydene.2015.01.094
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The specificity of strain behaviour of pipeline steel depending on the hydrogen concentration in bulk of metal was studied. The existence of some characteristic value of the hydrogen concentration at which the mechanism of hydrogen influence changes, namely: below this value the enhanced plasticity (decreasing of the yield stress value) takes places and above - the hydrogen embrittlement occurs, was shown. This value can be considered as an important engineering parameter for strength and fracture assessment of materials and structural components in hydrogenous environments and also at the development of technology of hydrogen treatment of materials with the aim of improvement their service properties. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：4011 / 4018
页数：8
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