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Model of enhanced flexural strength of ceramics at elevated temperatures. / Шейнерман, Александр Григорьевич.

In: Mechanics of Materials, Vol. 208, 105398, 01.09.2025.

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

Harvard

Шейнерман, АГ 2025, 'Model of enhanced flexural strength of ceramics at elevated temperatures', Mechanics of Materials, vol. 208, 105398. https://doi.org/10.1016/j.mechmat.2025.105398

APA

Шейнерман, А. Г. (2025). Model of enhanced flexural strength of ceramics at elevated temperatures. Mechanics of Materials, 208, [105398]. https://doi.org/10.1016/j.mechmat.2025.105398

Vancouver

Шейнерман АГ. Model of enhanced flexural strength of ceramics at elevated temperatures. Mechanics of Materials. 2025 Sep 1;208. 105398. https://doi.org/10.1016/j.mechmat.2025.105398

Author

Шейнерман, Александр Григорьевич. / Model of enhanced flexural strength of ceramics at elevated temperatures. In: Mechanics of Materials. 2025 ; Vol. 208.

BibTeX

@article{bd5b7ac91d1b488285d7858f98255834,
title = "Model of enhanced flexural strength of ceramics at elevated temperatures",
abstract = "We suggest a model that describes the observed non-monotonous temperature dependences of the flexural strength of ceramics. Within the model, the flexural strength is affected by the sliding of the intergranular boundaries, which can blunt the crack tip and increase the flexural strength at certain temperatures. At the same time, at high enough temperatures, enhanced boundary sliding results in the transition from the brittle to ductile failure, which reduces the flexural strength. It is demonstrated that the fracture strength of ceramics at elevated temperatures can be strongly affected by the sliding properties of the intergranular boundaries and the loading time. The ceramics with the highest fracture strength should have low sliding resistance at short-term loading and high sliding resistance in the case of long-term loading. The results of the model quantitatively agree with experimental data.",
keywords = "Fracture, High-temperature ceramics, Intergranular boundaries, Strength",
author = "Шейнерман, {Александр Григорьевич}",
year = "2025",
month = sep,
day = "1",
doi = "10.1016/j.mechmat.2025.105398",
language = "English",
volume = "208",
journal = "Mechanics of Materials",
issn = "0167-6636",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Model of enhanced flexural strength of ceramics at elevated temperatures

AU - Шейнерман, Александр Григорьевич

PY - 2025/9/1

Y1 - 2025/9/1

N2 - We suggest a model that describes the observed non-monotonous temperature dependences of the flexural strength of ceramics. Within the model, the flexural strength is affected by the sliding of the intergranular boundaries, which can blunt the crack tip and increase the flexural strength at certain temperatures. At the same time, at high enough temperatures, enhanced boundary sliding results in the transition from the brittle to ductile failure, which reduces the flexural strength. It is demonstrated that the fracture strength of ceramics at elevated temperatures can be strongly affected by the sliding properties of the intergranular boundaries and the loading time. The ceramics with the highest fracture strength should have low sliding resistance at short-term loading and high sliding resistance in the case of long-term loading. The results of the model quantitatively agree with experimental data.

AB - We suggest a model that describes the observed non-monotonous temperature dependences of the flexural strength of ceramics. Within the model, the flexural strength is affected by the sliding of the intergranular boundaries, which can blunt the crack tip and increase the flexural strength at certain temperatures. At the same time, at high enough temperatures, enhanced boundary sliding results in the transition from the brittle to ductile failure, which reduces the flexural strength. It is demonstrated that the fracture strength of ceramics at elevated temperatures can be strongly affected by the sliding properties of the intergranular boundaries and the loading time. The ceramics with the highest fracture strength should have low sliding resistance at short-term loading and high sliding resistance in the case of long-term loading. The results of the model quantitatively agree with experimental data.

KW - Fracture

KW - High-temperature ceramics

KW - Intergranular boundaries

KW - Strength

UR - https://www.mendeley.com/catalogue/aa9ca795-2886-368e-92c8-cae60cfcac98/

U2 - 10.1016/j.mechmat.2025.105398

DO - 10.1016/j.mechmat.2025.105398

M3 - Article

VL - 208

JO - Mechanics of Materials

JF - Mechanics of Materials

SN - 0167-6636

M1 - 105398

ER -

ID: 136025217