IMR OpenIR
Novel Cu-bearing high-strength pipeline steels with excellent resistance to hydrogen-induced cracking
Shi, Xianbo; Yan, Wei; Wang, Wei; Shan, Yiyin; Yang, Ke; xbshi14b@imr.ac.cn; kyang@imr.ac.cn
2016
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume92Pages:300-305
AbstractThere is a great challenge to simultaneously improve strength and resistance to hydrogen-induced cracking (HIC) for pipeline steels. In this study, through copper (Cu) alloying, a novel type of pipeline steel was developed to meet the requirement for both high strength and excellent resistance to HIC. The HIC tests of the tentative pipeline steels and the comparison steel were conducted in a hydrogen sulfide (H2S) saturated solution according to NACE standard. The results showed that an acicular ferrite microstructure with uniformly distributed fine Cu rich precipitates was obtained by aging at 500 degrees C for I h. Nano-scale Cu-rich precipitates in the new steels were speculated to play a significant role in making precipitation strengthening and providing beneficial hydrogen traps. The Cu-bearing pipeline steel has achieved a high strength grade of API X120 with excellent resistance to HIC (C) 2015 Elsevier Ltd. All rights reserved.
description.department[shi, xianbo ; yan, wei ; wang, wei ; shan, yiyin ; yang, ke] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [shi, xianbo] univ chinese acad sci, beijing 100049, peoples r china
KeywordPipeline Steel Hydrogen-induced Cracking Copper Cu-rich Precipitates Microstructure
Funding OrganizationNational Key Technologies R&D Program of China [2011BAE25B03]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75027
Collection中国科学院金属研究所
Corresponding Authorxbshi14b@imr.ac.cn; kyang@imr.ac.cn
Recommended Citation
GB/T 7714
Shi, Xianbo,Yan, Wei,Wang, Wei,et al. Novel Cu-bearing high-strength pipeline steels with excellent resistance to hydrogen-induced cracking[J]. MATERIALS & DESIGN,2016,92:300-305.
APA Shi, Xianbo.,Yan, Wei.,Wang, Wei.,Shan, Yiyin.,Yang, Ke.,...&kyang@imr.ac.cn.(2016).Novel Cu-bearing high-strength pipeline steels with excellent resistance to hydrogen-induced cracking.MATERIALS & DESIGN,92,300-305.
MLA Shi, Xianbo,et al."Novel Cu-bearing high-strength pipeline steels with excellent resistance to hydrogen-induced cracking".MATERIALS & DESIGN 92(2016):300-305.
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