[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 23:49 No. of hits : 1736505 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 34 (1996), Issue 3

Elastic-plastic analysis of Charpy V specimen in application for the critical fracture stress evaluation (in Slovak)
BROZOVA, A., LAUEROVA, D.
vol. 34 (1996), no. 3, pp. 173 - 186

Abstract
Elastic-plastic calculations of stress and strain by finite element method in Charpy V specimen with 0.25 and 0.4 mm notch radius at two temperatures were made. Calculated constraint factor f and load-displacement values in general yielding were used for the critical fracture stress evaluation from the static three point bend tests. The calculation results were compared with those of the four point bend. Another method based on the Weibull stress calculations was used for the critical fracture stress evaluation and good agreement of the mean values was gained. The mean value scatters were different and this fact is discussed in the paper.

Key words
elastic-plastic calculations, finite element method in Charpy V, factor f, Weibull stress

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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