| 国产X70管线钢及其焊缝的氢致裂纹 |
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| 引用本文： | 李云涛,杜则裕,陶勇寅,熊林玉.国产X70管线钢及其焊缝的氢致裂纹[J].焊接学报,2004,25(5):104-108. |
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| 作者姓名： | 李云涛 杜则裕 陶勇寅 熊林玉 |
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| 作者单位： | 1. 天津大学,材料科学与工程学院,天津,300072
2. 天津大学,材料科学与工程学院,天津,300072;河北石油技术学院,河北,廊坊,065000 |
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| 摘 要： | 依据氢致裂纹(Hydrogen Induced Cracking，HIC)试验标准，针对国产X70管线钢及其焊缝进行了HIC性能的研究，同时分析讨论了夹杂物对HIC性能的影响。研究结果证明，焊缝抗HIC能力不因焊接过程中焊接接头发生的一系列变化而比母材低；随着非金属夹杂物含量的增加，国产管线钢HIC敏感性增加。此外，夹杂物的形态和分布同样影响着管线钢的抗HIC性能。
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| 关 键 词： | 国产X70管线钢 焊缝 氢致裂纹 夹杂物 |
| 文章编号： | 0253-360X(2004)05-104-05 |
| 收稿时间： | 2004/1/12 0:00:00 |
Hydrogen-induced crack of domestic X70 pipeline steels |
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| LI Yun-tao,DU Ze-yu,TAO Yong-yin and XONG Lin-yu.Hydrogen-induced crack of domestic X70 pipeline steels[J].Transactions of The China Welding Institution,2004,25(5):104-108. |
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| Authors: | LI Yun-tao DU Ze-yu TAO Yong-yin and XONG Lin-yu |
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| Affiliation: | LI Yuntan~1,DU Ze-yu~1,TAO Yong-yinn~ |
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| Abstract: | According to testing standard of hydrogeh-induced crack ( HIC ) , ItlC of domestic X70 pipeline steels and weld were studied, and the effect of inclusion on HIC was particularly paid more attention. The results showed that resistance to HIC is not lower than that of base metal. With the increas of inclusions, the sensitivity to HIC increases. Furthermore, the configuration and distribution of inclusions affects the properties of domestic pipeline steels. |
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| Keywords: | domestic X70 pipeline steels weld hydrogen-induced crack inclusions |
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