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The mixed mode I/II TGSCC behavior of X-70 pipeline steel

  • Articles/Materials Science
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Chinese Science Bulletin

Abstract

The mixed mode I/II SCC behavior of X-70 pipeline steel in the Xinjiang soil solution was investigated using single edge-notched specimens loaded in anti-symmetric and symmetric four-point bending configurations in laboratory. The results show that a maximum tensile stress criterion provides a good description for the mixed mode I/II SCC of X-70 pipeline steel in the near neutral pH solution, and the mixed mode TGSCC crack growth rate is larger than that of the mode I TGSCC. The magnitude increase of the crack growth rate decreases with the increase of the mode II loading.

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Authors and Affiliations

  1. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China

    ZhiYing Wang, JianQiu Wang, EnHou Han & Wei Ke

  2. School of Materials Science and Engineering, University of Materials Science and Technology Liaoning, Anshan, 114051, China

    ZhiYing Wang

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  1. ZhiYing Wang
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  2. JianQiu Wang
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  3. EnHou Han
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  4. Wei Ke
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Correspondence to ZhiYing Wang.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 50499336) and the Hundred Talent Project

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Wang, Z., Wang, J., Han, E. et al. The mixed mode I/II TGSCC behavior of X-70 pipeline steel. Chin. Sci. Bull. 54, 3453–3457 (2009). https://doi.org/10.1007/s11434-009-0032-7

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  • DOI: https://doi.org/10.1007/s11434-009-0032-7

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