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Publikováno v:
Industrial laboratory. Diagnostics of materials. 88:53-60
A stochastic model of ductile-brittle (DB) transition based on a bimodal representation of random processes the critical temperature range of brittleness is proposed. Modeling was carried out in two stages. The results of impact tests of more than 12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3528a93202558fc0d81989bb20568124
https://doi.org/10.26896/1028-6861-2022-88-9-53-60
https://doi.org/10.26896/1028-6861-2022-88-9-53-60
Autor:
A. Ya. Krasovskii
Publikováno v:
Strength of Materials. 12:610-613
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d37492a9457e4dcdf0ade3b333e989eb
https://doi.org/10.1007/bf01118041
https://doi.org/10.1007/bf01118041
The inverse strength problem for evaluation of bending stresses in pipelines during ground movements
Autor:
V. M. Markochev
Publikováno v:
Industrial laboratory. Diagnostics of materials. 87:68-76
Three variants of the engineering solution of inverse problems regarding the strength of pipeline sections bent as a result of ground movements or during an earthquake are proposed. The feature of this approach consists in calculation of stresses not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cd7b4a0ec95add4af0c73d13854cb66
https://doi.org/10.26896/1028-6861-2021-87-9-68-76
https://doi.org/10.26896/1028-6861-2021-87-9-68-76
Autor:
V. M. Markochev
Publikováno v:
Industrial laboratory. Diagnostics of materials. 87:67-75
An analytical formula for a smooth description of the tension diagram of EK-181 steel and a method for rearranging the diagram when changing the direction of deformation are proposed for the first time. The process of straightening a quarter of an an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d916c9ff320c717c3b9ae57c2bed90d
https://doi.org/10.26896/1028-6861-2021-87-7-67-75
https://doi.org/10.26896/1028-6861-2021-87-7-67-75
Publikováno v:
Inorganic Materials. 54:1523-1531
Using statistical modeling (Monte Carlo method), numerical experiments were performed to determine the critical temperature Tc of brittleness according to the PNAE G-7-002-86 and RD EO 0598-2004 methodologies. The data of the Charpy impact test (V-no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15caac660433bd87dc9649e47de9b1a5
https://doi.org/10.1134/s0020168518150074
https://doi.org/10.1134/s0020168518150074
Autor:
V. M. Markochev, V. Yu. Gol'tsev
Publikováno v:
Industrial laboratory. Diagnostics of materials. 84:72-78
The purpose of this work is to study possible schemes of loading double-cantilever beam (DCB) specimens to replenish the arsenal of the methods used in their testing. Mathematical analysis of ten different modes of specimen loading is carried out for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0753cab257419ca95f3b8d33434e47b
https://doi.org/10.26896/1028-6861-2018-84-9-72-78
https://doi.org/10.26896/1028-6861-2018-84-9-72-78
Autor:
V. M. Markochev
Publikováno v:
Industrial laboratory. Diagnostics of materials. 84:55-60
The goal of this study is to develop a mathematical model of the transition of the structural material from elastic state to elastoplastic state upon tension. The model is based on a modified three-parameter transition operator from one mathematical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a231b09c0311aff87334a1f17a7fb7ff
https://doi.org/10.26896/1028-6861-2018-84-8-55-60
https://doi.org/10.26896/1028-6861-2018-84-8-55-60
Autor:
V. M. Markochev, G. P. Egorov
Publikováno v:
Industrial laboratory. Diagnostics of materials. 84:61-67
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b55093ca5a086f89c60d59a26f5ccb3a
https://doi.org/10.26896/1028-6861-2018-84-3-61-67
https://doi.org/10.26896/1028-6861-2018-84-3-61-67
Autor:
N. I. Tarasov, V. M. Markochev
Publikováno v:
Atomic Energy. 121:111-118
The elastoplastic strain processes in the protective casings of the fittings used to position coolant temperature sensors are analyzed. The expected cyclic elastoplastic strain due to scheduled and forced shutdown of equipment in power-generating uni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b17e39681278b85e355cc413d7ea04b
https://doi.org/10.1007/s10512-016-0170-3
https://doi.org/10.1007/s10512-016-0170-3