Temporal Characteristics of Failure in High-Speed Tests

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Temporal Characteristics of Failure in High-Speed Tests. / Smirnov, I. V.; Петров, Юрий Викторович.

In: Doklady Physics, Vol. 65, No. 7, 07.2020, p. 255-257.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{ac78d53769af4c698a478c47d9995533,

title = "Temporal Characteristics of Failure in High-Speed Tests",

abstract = "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.",

keywords = "dynamic strength, high strain rate, incubation processes, strength criteria, time to failure, FRACTURE",

author = "Smirnov, {I. V.} and Петров, {Юрий Викторович}",

note = "Funding Information: This study was financed by the Russian Science Foundation, project no. 18-79-00193. Publisher Copyright: {\textcopyright} 2020, Pleiades Publishing, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

year = "2020",

month = jul,

doi = "10.1134/S1028335820050109",

language = "English",

volume = "65",

pages = "255--257",

journal = "Doklady Physics",

issn = "1028-3358",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "7",

}

RIS

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