Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Temporal Characteristics of Failure in High-Speed Tests. / Smirnov, I. V.; Петров, Юрий Викторович.
в: Doklady Physics, Том 65, № 7, 07.2020, стр. 255-257.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Temporal Characteristics of Failure in High-Speed Tests
AU - Smirnov, I. V.
AU - Петров, Юрий Викторович
N1 - Funding Information: This study was financed by the Russian Science Foundation, project no. 18-79-00193. Publisher Copyright: © 2020, Pleiades Publishing, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/7
Y1 - 2020/7
N2 - Abstract: The unstable behavior of generally accepted strength characteristics of a material makes it difficult to evaluate the dynamic strength of a material in high-speed loading problems. This work reveals a new effect, which in a number of practically important cases of tests with a controlled loading rate for evaluating the dynamic strength allows us to offer a convenient time characteristic of the incubation processes of failure under high speed loads. It is shown that this time characteristic does not depend on the strain rate or loading rate and can be determined from general experiments. This makes it possible to enter a material parameter that can be used for criteria for evaluating the strength of a material under high-speed loads, including for calculating the rate and time dependence of critical failure stresses.
AB - Abstract: The unstable behavior of generally accepted strength characteristics of a material makes it difficult to evaluate the dynamic strength of a material in high-speed loading problems. This work reveals a new effect, which in a number of practically important cases of tests with a controlled loading rate for evaluating the dynamic strength allows us to offer a convenient time characteristic of the incubation processes of failure under high speed loads. It is shown that this time characteristic does not depend on the strain rate or loading rate and can be determined from general experiments. This makes it possible to enter a material parameter that can be used for criteria for evaluating the strength of a material under high-speed loads, including for calculating the rate and time dependence of critical failure stresses.
KW - dynamic strength
KW - high strain rate
KW - incubation processes
KW - strength criteria
KW - time to failure
KW - FRACTURE
UR - http://www.scopus.com/inward/record.url?scp=85096036681&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/d3145b39-b5e5-372a-a63a-3388bde1c815/
U2 - 10.1134/S1028335820050109
DO - 10.1134/S1028335820050109
M3 - Article
AN - SCOPUS:85096036681
VL - 65
SP - 255
EP - 257
JO - Doklady Physics
JF - Doklady Physics
SN - 1028-3358
IS - 7
ER -
ID: 71381294