Fracture behaviors and mechanism of 2D C/SiC-BCx composite under tensile load

Weihua Zhang; Laifei Cheng; Yongsheng Liu; Litong Zhang; Wenbin Yang; Shengtian Zhou

doi:10.1016/j.msea.2011.09.089

Fracture behaviors and mechanism of 2D C/SiC-BC_x composite under tensile load

Weihua Zhang, Laifei Cheng, Yongsheng Liu, Litong Zhang, Wenbin Yang, Shengtian Zhou

School of Materials Sience and Engineering

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

32 Scopus citations

Abstract

Tensile fracture behaviors and mechanisms of 2D C/SiC-BC_x composite were investigated. Results showed that the 2D C/SiC-BC_x composite exhibited similar tensile strength (about 250MPa), but different fracture mode and damage evolution compared to that of 2D C/SiC composite under similar monotonic tensile stress condition at room temperature. The initial modulus and fracture modulus of 2D C/SiC-BC_x composite obtained under tensile cyclic loading at RT were about 98.6GPa and 54.5GPa, respectively. At high temperatures, the tensile strengths were lower than that at room temperature and behaved as a step-like stress-strain curve.

Original language	English
Pages (from-to)	297-303
Number of pages	7
Journal	Materials Science and Engineering: A
Volume	530
Issue number	1
DOIs	https://doi.org/10.1016/j.msea.2011.09.089
State	Published - 15 Dec 2011

Keywords

Carbides
Composites
Engine components
Mechanical properties

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10.1016/j.msea.2011.09.089

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abstract = "Tensile fracture behaviors and mechanisms of 2D C/SiC-BCx composite were investigated. Results showed that the 2D C/SiC-BCx composite exhibited similar tensile strength (about 250MPa), but different fracture mode and damage evolution compared to that of 2D C/SiC composite under similar monotonic tensile stress condition at room temperature. The initial modulus and fracture modulus of 2D C/SiC-BCx composite obtained under tensile cyclic loading at RT were about 98.6GPa and 54.5GPa, respectively. At high temperatures, the tensile strengths were lower than that at room temperature and behaved as a step-like stress-strain curve.",

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T1 - Fracture behaviors and mechanism of 2D C/SiC-BCx composite under tensile load

AU - Zhang, Weihua

AU - Cheng, Laifei

AU - Liu, Yongsheng

AU - Zhang, Litong

AU - Yang, Wenbin

AU - Zhou, Shengtian

PY - 2011/12/15

Y1 - 2011/12/15

N2 - Tensile fracture behaviors and mechanisms of 2D C/SiC-BCx composite were investigated. Results showed that the 2D C/SiC-BCx composite exhibited similar tensile strength (about 250MPa), but different fracture mode and damage evolution compared to that of 2D C/SiC composite under similar monotonic tensile stress condition at room temperature. The initial modulus and fracture modulus of 2D C/SiC-BCx composite obtained under tensile cyclic loading at RT were about 98.6GPa and 54.5GPa, respectively. At high temperatures, the tensile strengths were lower than that at room temperature and behaved as a step-like stress-strain curve.

AB - Tensile fracture behaviors and mechanisms of 2D C/SiC-BCx composite were investigated. Results showed that the 2D C/SiC-BCx composite exhibited similar tensile strength (about 250MPa), but different fracture mode and damage evolution compared to that of 2D C/SiC composite under similar monotonic tensile stress condition at room temperature. The initial modulus and fracture modulus of 2D C/SiC-BCx composite obtained under tensile cyclic loading at RT were about 98.6GPa and 54.5GPa, respectively. At high temperatures, the tensile strengths were lower than that at room temperature and behaved as a step-like stress-strain curve.

KW - Carbides

KW - Composites

KW - Engine components

KW - Mechanical properties

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DO - 10.1016/j.msea.2011.09.089

M3 - 文章

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JO - Materials Science and Engineering: A

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Fracture behaviors and mechanism of 2D C/SiC-BC_x composite under tensile load

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Keywords

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