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首页> 外文期刊>Corrosion Engineering, Science and Technology >Study on the impact toughness and diffusible hydrogen of G105 drill pipe steel in wet H2S environment
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Study on the impact toughness and diffusible hydrogen of G105 drill pipe steel in wet H2S environment

机译：湿H2S环境中G105钻管钢的冲击韧性和扩散氢的研究

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In order to investigate the influence of wet H2S environment on impact toughness of G105 drill pipe steel, the impact test of drill pipe exposed to NACE A solution for different time was carried out. Meanwhile, the diffusible hydrogen concentration was measured to study the relationship between diffusible hydrogen and impact toughness damage. The results suggest that with the increase of corrosion time, the impact energy of G105 drill pipes decreases from 107.7 to 88.4J, and the dynamic fracture toughness decreases gradually. The impact toughness damage increases as the diffusion hydrogen concentration increases. However, the impact energy recovery happened after hydrogen releasing. The quasi-cleavage features occur with the increasing of hydrogen concentration.
机译：为了探讨湿H2S环境对G105钻管钢的冲击韧性的影响，进行了暴露于NACE的钻管的冲击试验对不同时间的解决方案。 同时，测量扩散氢浓度以研究扩散氢气与冲击韧性损伤之间的关系。 结果表明，随着腐蚀时间的增加，G105钻管的冲击能量从107.7降至88.4J，动态断裂韧性逐渐降低。 随着扩散氢浓度的增加，冲击韧性损伤增加。 然而，氢释放后发生的冲击能量回收。 随着氢浓度的增加，发生准切割特征。

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