| 碳钢在H2S／CO2体系中的应力腐蚀开裂机理 |
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| 引用本文： | 黄金营,吴伟平,柳伟,路民旭. 碳钢在H2S／CO2体系中的应力腐蚀开裂机理[J]. 材料保护, 2011, 44(8): 32-33,40,89 |
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| 作者姓名： | 黄金营 吴伟平 柳伟 路民旭 |
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| 作者单位： | 北京科技大学新材料技术研究院,北京,100083 |
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| 摘 要： | 应力腐蚀开裂是含H2S／CO2天然气输送管线腐蚀破坏的主要形式，探究其开裂机理有利于实施有效的防护，目前相关研究尚不够深入。采用扫描电子显微镜（SEM）和X射线衍射（XRD）等表面分析技术对U形环X52钢试样在H2S／CO2介质中的应力腐蚀开裂（SCC）行为进行了研究，并分析探讨了其发生SCC的机理。结果表明：X52钢...
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| 关 键 词： | 应力腐蚀开裂 X52钢 H2S/CO2 阳极溶解 氢致开裂 |
Mechanism for Stress Corrosion Cracking of Carbon Steel in Environment Containing Hydrogen Sulfide/Carbon Dioxide |
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| HUANG Jin-ying,WU Wei-ping,LIU Wei,LU Min-xu. Mechanism for Stress Corrosion Cracking of Carbon Steel in Environment Containing Hydrogen Sulfide/Carbon Dioxide[J]. Journal of Materials Protection, 2011, 44(8): 32-33,40,89 |
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| Authors: | HUANG Jin-ying WU Wei-ping LIU Wei LU Min-xu |
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| Affiliation: | HUANG Jin-ying,WU Wei-ping,LIU Wei,LU Min-xu (Insti- tute for Advanced Material and Technology,University of Science and Technology Beijing,Beijing 100083,China) |
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| Abstract: | The stress corrosion cracking (SCC) behavior of U-ring-like X52 steel specimens in the corrosive medium containing H2S/CO2 was investigated based on scanning electron microscopy and X-ray diffraction, and the SCC mechanism of the steel was discussed. Results show that the hrittle fracture of X52 steel is attributed to the absorption of H atoms in corrosive environment and followup diffusion and enrichment at the location with large stress. Besides, the possibility of brittle fracture was greatly increased w... |
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| Keywords: | stress corrosion cracking X52 steel H2S/CO2 anodic dissolution hydrogen induced cracking |
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