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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 47, Issue 20, Pages 35–37
DOI: https://doi.org/10.21883/PJTF.2021.20.51612.18936 (Mi pjtf4653) 		 
Determination of fracture resistance of samples with a chevron notch using three-point bending

E. E. Deryugina, A. A. Bogdanovb

a Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences
b Tomsk Polytechnic University
Full-text PDF (976 kB)
DOI: https://doi.org/10.21883/PJTF.2021.20.51612.18936
Abstract: We have proposed a procedure for the experimental determination of the specific fracture energy of a material under loading by a three-point bending of a rectangular sample with a chevron notch. At the initial stages of crack propagation in the chevron notch zone, a linear dependence of the sample compliance on the crack length is observed. This makes it possible to calculate the specific fracture energy of a material without using the phenomenological equations used under standard test conditions. The calculations were carried out for VT1-0 technical titanium.
Keywords: crack resistance, three-point bending, chevron notch, specific fracture energy, VT1-0 technical titanium.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation FWRW-2021
Received: 26.06.2021
Revised: 09.07.2021
Accepted: 09.07.2021
English version:
Technical Physics Letters, 2022, Volume 48, Issue 1, Pages 5–7
DOI: https://doi.org/10.1134/S1063785022010035
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: E. E. Deryugin, A. A. Bogdanov, “Determination of fracture resistance of samples with a chevron notch using three-point bending”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:20 (2021), 35–37; Tech. Phys. Lett., 48:1 (2022), 5–7
Citation in format AMSBIB
\Bibitem{DerBog21}
\by E.~E.~Deryugin, A.~A.~Bogdanov
\paper Determination of fracture resistance of samples with a chevron notch using three-point bending
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 47
\issue 20
\pages 35--37
\mathnet{http://mi.mathnet.ru/pjtf4653}
\crossref{https://doi.org/10.21883/PJTF.2021.20.51612.18936}
\elib{https://elibrary.ru/item.asp?id=46549368}
\transl
\jour Tech. Phys. Lett.
\yr 2022
\vol 48
\issue 1
\pages 5--7
\crossref{https://doi.org/10.1134/S1063785022010035}
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