| H2S分压对镍基合金G3应力腐蚀开裂的影响 |
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| 引用本文： | 陈松,计玲. H2S分压对镍基合金G3应力腐蚀开裂的影响[J]. 石油化工腐蚀与防护, 2020, 0(1): 17-19 |
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| 作者姓名： | 陈松 计玲 |
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| 作者单位： | 陕西延长石油（集团）管道运输公司 |
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| 摘 要： | 针对高含H2S和CO2油气田开发过程中油井套管腐蚀严重的问题,探讨了镍基合金在H2S-CO2-Cl^-环境中的腐蚀机理。采用慢应变速率拉伸试验法(SSRT)研究了G3镍基合金在高含H2S-CO2-Cl^-环境中的腐蚀情况,特别是H2S分压对应力腐蚀开裂(SCC)的影响。
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| 关 键 词： | 镍基合金G3 慢应变速率拉伸试验 应力腐蚀开裂 |
Effects of H2S Partial Pressure on Stress Corrosion Cracking of Nickel-based Alloy G3 |
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| CHEN Song,JI Ling. Effects of H2S Partial Pressure on Stress Corrosion Cracking of Nickel-based Alloy G3[J]. Petrochemical Corrosion and Protection, 2020, 0(1): 17-19 |
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| Authors: | CHEN Song JI Ling |
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| Affiliation: | (Yanchang Petroleum Group Pipeline Company,Yan’an 716000,China) |
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| Abstract: | For serious corrosion of tubing and casing occurred in the oil and gas field with high H2 S and CO2 contents, corrosion mechanism of nickel-based alloy in H2S-CO2-Cl- environment was discussed. Slow strain rate tensile test(SSRT) was used to study the corrosion of nickel-based alloy G3 in high H2S-CO2 environment, especially the effects of H2S partial pressure on stress corrosion cracking(SCC). |
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| Keywords: | nickel-based alloy G3 slow strain rate tensile test stress corrosion cracking |
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