Effect of Ce content on the hydrogen induced cracking of X80 pipeline steel

被引：16

作者：

Cheng, Wensen ^{[1
]}

Song, Bo ^{[1
]}

Mao, Jinghong ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 40期

基金：

中国国家自然科学基金;

关键词：

Ce content; Inclusion; Microstructure; Hydrogen induced cracking; Pipeline steel; RARE-EARTH-ELEMENTS; ACICULAR FERRITE; MECHANICAL-PROPERTIES; TRAPPING EFFICIENCY; MICROSTRUCTURE; INCLUSIONS; BEHAVIOR; CONSTITUENT; SENSITIVITY; MORPHOLOGY;

D O I：

10.1016/j.ijhydene.2022.12.331

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：

In this study, the effect of Ce content on hydrogen induced cracking (HIC) of X80 pipeline steel has been investigated. The results show that as the Ce content increased from 0 wt% to 0.0042 wt%, 0.016 wt% and 0.024 wt%, the HIC susceptibility of tested steels decreased first and then increased. The steel containing 0.016 wt% Ce possessed the lowest HIC susceptibility because Ce modified inclusions, promoted the formation of acicular ferrite, and decreased the number of hydrogen traps and intergranular cracks. (c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：15303 / 15316

页数：14

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