| 不锈钢在含氢介质条件下的脆性变化分析 |
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| 引用本文： | 赵雪会,胡志兵,白真权,田伟,尹成先.不锈钢在含氢介质条件下的脆性变化分析[J].石油矿场机械,2009,38(8):41-46. |
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| 作者姓名： | 赵雪会 胡志兵 白真权 田伟 尹成先 |
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| 作者单位： | 1. 中国石油天然气集团公司,石油管材研究所,西安,710065
2. 中石化西北油田分公司,雅克拉采气厂,新疆,库车,842017 |
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| 摘 要： | 分析了具有良好综合力学性能的22Cr不锈钢的氢脆性能、氢致脆断的机理和氢的体积分数对不锈钢氢脆性能的影响程度。阐述了22Cr不锈钢在充氢条件下的强度及韧性变化情况。研究了在阴极保护过程中氢引起的脆性开裂,表明电位的设置是阴极保护系统中最重要的一个参数,并与环境介质有很大的关系。
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| 关 键 词： | 不锈钢 氢脆 脆性开裂 阴极保护 |
Study on Brittleness Properties of Stainless Steel Exposed in Hydrogen |
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| ZHAO Xue-hui,HU Zhi-bing,BAI Zhen-quan,TIAN Wei,YIN Cheng-xian.Study on Brittleness Properties of Stainless Steel Exposed in Hydrogen[J].Oil Field Equipment,2009,38(8):41-46. |
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| Authors: | ZHAO Xue-hui HU Zhi-bing BAI Zhen-quan TIAN Wei YIN Cheng-xian |
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| Affiliation: | ZHAO Xue-hui , HU Zhi-bing , BAI Zhen-quan , TIAN Wei , YIN Cheng-xian (1. Tubular Goods Research Center of China National Petroleum Corporation ,Xi ＇ an 710065, China ; 2. Jacques Gas Plant , Sinopec Northwest Oil field Branch, Kuche 842017, China) |
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| Abstract: | The hydrogen brittleness properties of stainless steel, especially 22Cr stainless steel which have excellent capability were summarized. The mechanism of hydrogen-induced cracking was analyzed and the influence of hydrogen concentration and brittleness properties of cathode protection system as well. Expatiation was made for the Influence of intensity and ductility in the charging hydrogen, and the brittleness cracking in the process of cathode protection system. It indicated that the cathode protection potential of the under ground pipe was one of the most important parameters in cathode protect system and contact close with environment media. |
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| Keywords: | stainless steel hydrogen brittleness brittleness crack cathode protection |
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