| 用热喷涂技术防止湿硫化氢应力腐蚀 |
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| 引用本文： | 张亦良,王慕,孙耀峰,姚希梦,张秀英,郝晓华.用热喷涂技术防止湿硫化氢应力腐蚀[J].中国腐蚀与防护学报,2003,23(4):243-247. |
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| 作者姓名： | 张亦良 王慕 孙耀峰 姚希梦 张秀英 郝晓华 |
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| 作者单位： | 1. 北京工业大学机电学院,北京,100022
2. 北京工业大学材料学院,北京,100022 |
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| 摘 要： | 采用热喷涂技术，设计了Al系、Fe—Cr系粉芯丝材涂层共5种，并对其进行了结合强度、氢扩散能力、电化学性能及应力腐蚀性能等系列试验，考核其抗湿硫化氢应力腐蚀能力．通过对各涂层试验结果的对比分析，从中筛选出了防护效果最佳的配方，并对涂层抗湿硫化氢应力腐蚀的机理进行了讨论．
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| 关 键 词： | 湿硫化氢应力腐蚀 热喷涂层 粉芯丝材 |
| 文章编号： | 1005-4537(2003)04-0243-05 |
STUDY ON THERMAL SPRAYING TECHNIQUE USED FOR RESISTANCE TO WET H2S SULPHIDE STRESS CRACKING |
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| ZHANG Yiliang ,WANG Mu ,SUN Yaofeng ,YAO Ximeng ,ZHANG Xiuying ,HAO Xiaohua.STUDY ON THERMAL SPRAYING TECHNIQUE USED FOR RESISTANCE TO WET H2S SULPHIDE STRESS CRACKING[J].Journal of Chinese Society For Corrosion and Protection,2003,23(4):243-247. |
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| Authors: | ZHANG Yiliang WANG Mu SUN Yaofeng YAO Ximeng ZHANG Xiuying HAO Xiaohua |
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| Affiliation: | ZHANG Yiliang 1,WANG Mu 1,SUN Yaofeng 1,YAO Ximeng 1,ZHANG Xiuying 2,HAO Xiaohua 2 |
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| Abstract: | Considering the urgent need for methods of resistance to wet H 2S stress corrosion cracking (SSC) during petrochemical production,this paper,with a view to isolate substrate from the corrosives,introduced arc spraying metallic coatings as a method resistant to SSC.Five coating products including both coatings of Al series and coatings of Fe-Cr series,which are made from self-developed cored wires,were designed.A series of tests where variables such as bond adhesion tests,hydrogen permeation tests,electrochemical tests and stress corrosion tests were carried out in order to check the performance of SSC.The test results of all kinds of coatings were compared with each other,a kind of most protective coating termed ZH4 containing Al+Al 2O 3+RE was obtained.In addition,the protective mechanism of coatings resistance to SSC was discussed. |
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| Keywords: | wet H 2S stress corrosion cracking thermal spraying coating cored wire |
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