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Metals, volume 12, issue 10, pages 1753

The Dependence of the Strength of a Carbon Fiber/Aluminum Matrix Composite on the Interface Shear Strength between the Matrix and Fiber

Galyshev Sergei ¹

Atanov Bulat ¹

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Osipyan Institute of Solid State Physics RAS, 142432 Chernogolovka, Russia |

Publication type: Journal Article

Publication date: 2022-10-19

Multidisciplinary Digital Publishing Institute (MDPI)

Journal: Metals

Quartile SCImago

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Impact factor: 2.9

ISSN: 20754701

DOI: 10.3390/met12101753

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Metals and Alloys

General Materials Science

Abstract

Taking the example of a composite wire with an Al-25% Sn alloy matrix reinforced with carbon fiber, the dependence of composite bending strength on interface shear strength was determined. Samples of the composite wire with different interface shear strengths were obtained by heat treatment at temperatures from 300 to 600 °C. The highest bending strength of 2450 MPa was observed for composite wire samples with the lowest interface shear strength. With an increase in the shear strength of the interface, a decrease in the strength was observed. The study of the surface of carbon fiber extracted from the composite showed that heat treatment led to the formation of aluminum carbide crystals on the fiber surface, the size and number of which increased with increasing temperature. As a result, there was an increase in the shear strength of the interface. The evaluation of the work of fracture of a composite with different strengths of the interface between the matrix and the fiber demonstrated that as the strength of the interface increases, the work of fracture decreases, due to the premature fracture of the composite through crack propagation in one plane. Based on the experimental data, the refined mixture rule according to the Weibull distribution, and an assessment of the critical stress of crack propagation according to the Griffith–Orowan–Irwin concept, the dependence of composite strength on the shear strength of the interface was estimated. Due to this, the critical shear strength was calculated at which the greatest strength of the composite can be achieved, these values being 107 MPa and 2675 MPa, respectively. It is shown that the contribution of the work of overcoming the friction force to the total work of fracture at relatively small values of shear strength can be several times greater than the total contribution of all other types of energy.

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Letters on Materials	Letters on Materials, 1, 100% Letters on Materials 1 publication, 100%
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Institute for Metals Superplasticity Problems of Russian Academy of Sciences	Institute for Metals Superplasticity Problems of Russian Academy of Sciences, 1, 100% Institute for Metals Superplasticity Problems of Russian Academy of Sciences 1 publication, 100%
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Galyshev S., Atanov B. The Dependence of the Strength of a Carbon Fiber/Aluminum Matrix Composite on the Interface Shear Strength between the Matrix and Fiber // Metals. 2022. Vol. 12. No. 10. p. 1753.

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TY - JOUR

DO - 10.3390/met12101753

UR - https://doi.org/10.3390%2Fmet12101753

TI - The Dependence of the Strength of a Carbon Fiber/Aluminum Matrix Composite on the Interface Shear Strength between the Matrix and Fiber

T2 - Metals

AU - Galyshev, Sergei

AU - Atanov, Bulat

PY - 2022

DA - 2022/10/19 00:00:00

PB - Multidisciplinary Digital Publishing Institute (MDPI)

SP - 1753

IS - 10

VL - 12

SN - 2075-4701

ER -

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@article{2022_Galyshev,

author = {Sergei Galyshev and Bulat Atanov},

title = {The Dependence of the Strength of a Carbon Fiber/Aluminum Matrix Composite on the Interface Shear Strength between the Matrix and Fiber},

journal = {Metals},

year = {2022},

volume = {12},

publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},

month = {oct},

url = {https://doi.org/10.3390%2Fmet12101753},

number = {10},

pages = {1753},

doi = {10.3390/met12101753}

}

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Galyshev, Sergei, and Bulat Atanov. “The Dependence of the Strength of a Carbon Fiber/Aluminum Matrix Composite on the Interface Shear Strength between the Matrix and Fiber.” Metals, vol. 12, no. 10, Oct. 2022, p. 1753. https://doi.org/10.3390%2Fmet12101753.

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Publisher

Multidisciplinary Digital Publishing Institute (MDPI)

Journal

Metals

Quartile SCImago

Quartile WOS

Impact factor

2.9

ISSN

20754701 (Electronic)

Profiles

Galyshev, Sergei N

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