锰、铬对125ksi级石油管件用高强度低合金钢硫化物应力开裂的影响

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2025-01-16 DOI:10.1016/j.corsci.2025.112718

Zihan Wu , Chao Wang , Yunkai Wang , Tingzhi Si , Jian Kang , Guo Yuan

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引用次数: 0

摘要

采用正交试验研究了含3铬2锰的125 ksi级石油套管钢，并用NACE-A方法对其硫化物应力开裂（SSC）行为进行了分析。通过一系列的实验，包括微观结构评估和氢渗透测试，研究了锰和铬对SSC性能的影响。限制铬和锰的含量被证明是减少可逆氢阱和Σ3晶界数量的关键。因此，降低了硫化锰（MnS）的析出比例，最终提高了材料的抗SSC性能。

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Eﬀects of manganese and chromium on sulﬁde stress cracking in 125 ksi grade high-strength low-alloyed steel for oil country tubular goods

In this study, 125 ksi-grade oil casing steels with three chromium and two manganese contents were investigated through orthogonal experiments, and the resulting sulphide stress cracking (SSC) behaviours were analysed using the NACE-A method. The impact of manganese and chromium on the SSC performance was examined through a series of experiments involving microstructural assessments and hydrogen permeation tests. Limiting the chromium and manganese content proved to be pivotal in reducing the quantity of reversible hydrogen traps and Σ3 grain boundaries. Therefore, the proportion of manganese sulphide (MnS) precipitation was reduced, ultimately improving the resistance of the material to SSC.

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来源期刊

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.