Tailoring the mechanical property and sulfide stress corrosion cracking resistance of rare earth doped casing steel by tempering treatment

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
G.Y. Zhou , G.H. Cao , X.M. Dong , Z.H. Zhang
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引用次数: 0

Abstract

Rare earth (RE) doped casing steel subjected to a modified tempering treatment exhibited enhancement of strength and sulfide stress cracking (SSC) resistance. A double-cantilever beam method (in term of critical stress intensity factor: KISSC), was used to evaluate SSC susceptibility, where specimens were stressed and immersed in acidic solution containing H2S to simulate the real operating condition. Microstructural evolution and multiscale fractographic analyses were performed, the RE doped sample tempered at 710 °C achieved a higher yield strength of 794 MPa and a mean KISSC of 35.9 MPam0.5, attributed to establishment of uniform tempered martensite structure with low dislocation density.
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来源期刊
Corrosion Science
Corrosion Science 工程技术-材料科学:综合
CiteScore
13.60
自引率
18.10%
发文量
763
审稿时长
46 days
期刊介绍: Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.
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