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Dynamic fracture toughness at crack initiation, propagation and arrest for two pipe-line steels |
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| Authors: | G Pluvinage AJ Krasowsky VW Krassiko |
| Affiliation: | Laboratoire de Fiabilité Mécanique, Université de Metz, Ile du Saulcy, 57045, Metz Cedex 01, France Department of Physical Principles of Strengths, Institute for Problems of Strength, Academy of Sciences, Kiev, Ukraine |
| Abstract: | The influences of temperature and loading rate on fracture toughness of two pipe-line steels at initiation, K1d, and at arrest, K1a, and on stretch zone height were measured using specific techniques. Particular attention was given to the mechanism of delamination, typical for the gas internal pressure pipe fracture. |
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