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H2S浓度和pH值对X65海管钢焊接接头腐蚀行为的影响
Abstracts
| 采用高压釜模拟海底集输环境，通过电化学测试技术，浸泡实验，扫描电镜（SEM）及X射线衍射（XRD）分析技术研究了H2S浓度和pH值对X65钢焊接接头腐蚀行为的影响。结果表明， X65钢焊接接头中热影响区的开路电位最负，焊缝最正，母材介于两者之间，腐蚀电流密度从大到小的顺序为热影响区、母材和焊缝；焊接接头平均腐蚀速率在0.1-0.25mm/a之间，硫化物浓度增加、pH降低均可导致腐蚀速率增加； X65钢海管焊接接头在模拟现场工况条件下以均匀腐蚀为主，焊缝腐蚀程度低于热影响区。 |
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From cooperative journals：《中国腐蚀与防护学报》
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Subject:
Materials Science
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Materials Science (General)
Cite as:
chinaXiv:201611.00394
(or this versionchinaXiv:201611.00394V1)
Recommended references：
邢云颖,刘智勇,杜翠薇,李晓刚,刘然克,朱敏.(2016).H2S浓度和pH值对X65海管钢焊接接头腐蚀行为的影响.中国腐蚀与防护学报.[ChinaXiv:201611.00394] (Click&Copy)
| Version History | ||||
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| [V1] | 2016-11-11 14:21:38 | chinaXiv:201611.00394V1 | Download | |
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