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V. A. Khotinov, V. M. Farber, A. N. Morozova

EVALUATING THE TOUGHNESS OF PIPE STEELS BY IMPACT FRACTURE CURVES

DOI: 10.17804/2410-9908.2015.2.057-066

To study the correlation of instrumented Charpy load–displacement curves with zones on the fracture surface, impact V-notched tests on low- and medium-carbon pipeline steels have been performed. New parameters of smoothed instrumented impact load vs displacement curves are proposed for impact properties characterization. The co-analysis of the instrumented impact test curves and the fracture surface zones allows new impact parameters for fracture characterization to be obtained in addition to standard required characteristics (impact toughness, transition temperature, impact yield strength etc.).

Keywords: instrumented Charpy test, pipeline steels, fracture surface, crack propagation stages, stress oscillations

References:

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Article reference

Khotinov V. A., Farber V. M., Morozova A. N. Evaluating the Toughness of Pipe Steels by Impact Fracture Curves // Diagnostics, Resource and Mechanics of materials and structures. - 2015. - Iss. 2. - P. 57-66. -
DOI: 10.17804/2410-9908.2015.2.057-066. -
URL: http://eng.dream-journal.org/issues/content/article_26.html
(accessed: 06/22/2024).

 

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