Method of Threshold Stress Determination for a Local Approach to Cleavage Fracture

Sergiy Kotrechko; V. Gryshchenko; Vladislav Kozák; Ivo Dlouhý

doi:10.4028/www.scientific.net/SSP.258.281

Paper Titles

Intrinsic Behaviour of Mode II and Mode III Long Fatigue Cracks in Zirconium and the Ti-6Al-4V Alloy
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Deformation and Fracture of Metallic Nanowires
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Method of Threshold Stress Determination for a Local Approach to Cleavage Fracture
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Micromechanism of Thermally Induced Breaking of One-Dimensional Nanocrystals
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Numerical Determination of Fatigue Threshold from CTOD
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Crystal Plasticity Simulations of Haynes 230, an Analysis of Single Crystal and Polycrystalline Experiments
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Fatigue Crack Surface Topography after Plasma Nitriding Process
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Method of Threshold Stress Determination for a Local Approach to Cleavage Fracture

Abstract:

The contribution is focused on a new methodology description for determination of threshold stress, as the third parameter in Beremin local approach to cleavage fracture that is using three-parameter Weibull statistics. Nature of the methodology lies in tensile testing of rounded notched specimens at liquid nitrogen temperature and corresponding calculations. Reactor pressure vessel steel was chosen as an example for the illustration.

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Periodical:

Solid State Phenomena (Volume 258)

Pages:

281-285

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.258.281

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Online since:

December 2016

Authors:

Sergiy Kotrechko, V. Gryshchenko, Vladislav Kozák, Ivo Dlouhý

Keywords:

Beremin Model, Cleavage, Fracture, Local Approach, Threshold Stress

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