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Anisotropic damage behavior in high-strength line pipe steels

Abstract : High-strength steel line pipes have different mechanical properties (plasticity, ductility and toughness) in each direction. This anisotropy is developed by a thermo-mechanical control process (TMCP) in a heavy plate mill and a cold forming process in a pipe mill. In this study, experimental work was carried out using both as received and pre-strained (up to 6% along the T direction) steel plates for X100-grade pipes, in order to analyze anisotropic toughness. Compact tests were conducted in the longitudinal (L) and transverse (T) directions. Further, a new damage model based on the GTN model was proposed, in order to represent anisotropic damage behavior in high-strength line pipe steels.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00705798
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Submitted on : Friday, June 8, 2012 - 11:57:11 AM
Last modification on : Thursday, September 24, 2020 - 6:30:04 PM

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  • HAL Id : hal-00705798, version 1

Citation

Yasuhiro Shinohara, Jacques Besson, Yazid Madi. Anisotropic damage behavior in high-strength line pipe steels. International Journal of Offshore and Polar Engineering (IJOPE), The International Society of Offshore and Polar Engineers 2012, 22, pp.83-89. ⟨hal-00705798⟩

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