Influence of the strain rate on the mechanical behavior of the 3D needle-punched C/SiC composite

Yulong Li; Tao Suo; Mingshuang Liu

doi:10.1016/j.msea.2009.01.024

Influence of the strain rate on the mechanical behavior of the 3D needle-punched C/SiC composite

Yulong Li, Tao Suo, Mingshuang Liu

Northwestern Polytechnical University Xian

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

41 Scopus citations

Abstract

Compressive mechanical behavior of a 3D needle-punched C/SiC composite at room temperature was investigated at strain rate ranging from 10^-4 to 6.5 × 10³ 1/s using the electronic universal testing machine and the split Hopkinson pressure bar. The experimental results show the strain rate has slight influence on the mechanical property of the material. The dynamic compression strength obeys the Weibull distribution with the Weibull parameter m calculated as 8.19. Scanning electron microscope (SEM) images of the fracture surface of specimens tested at various strain rates indicate that the failure pattern of the material also varies with the strain rate.

Original language	English
Pages (from-to)	6-12
Number of pages	7
Journal	Materials Science and Engineering: A
Volume	507
Issue number	1-2
DOIs	https://doi.org/10.1016/j.msea.2009.01.024
State	Published - 15 May 2009

Keywords

3D needle-punched C/SiC composites
Damage angle
Dynamic compression strength
High strain rate
Mechanical properties

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10.1016/j.msea.2009.01.024

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title = "Influence of the strain rate on the mechanical behavior of the 3D needle-punched C/SiC composite",

abstract = "Compressive mechanical behavior of a 3D needle-punched C/SiC composite at room temperature was investigated at strain rate ranging from 10-4 to 6.5 × 103 1/s using the electronic universal testing machine and the split Hopkinson pressure bar. The experimental results show the strain rate has slight influence on the mechanical property of the material. The dynamic compression strength obeys the Weibull distribution with the Weibull parameter m calculated as 8.19. Scanning electron microscope (SEM) images of the fracture surface of specimens tested at various strain rates indicate that the failure pattern of the material also varies with the strain rate.",

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AU - Li, Yulong

AU - Suo, Tao

AU - Liu, Mingshuang

PY - 2009/5/15

Y1 - 2009/5/15

N2 - Compressive mechanical behavior of a 3D needle-punched C/SiC composite at room temperature was investigated at strain rate ranging from 10-4 to 6.5 × 103 1/s using the electronic universal testing machine and the split Hopkinson pressure bar. The experimental results show the strain rate has slight influence on the mechanical property of the material. The dynamic compression strength obeys the Weibull distribution with the Weibull parameter m calculated as 8.19. Scanning electron microscope (SEM) images of the fracture surface of specimens tested at various strain rates indicate that the failure pattern of the material also varies with the strain rate.

AB - Compressive mechanical behavior of a 3D needle-punched C/SiC composite at room temperature was investigated at strain rate ranging from 10-4 to 6.5 × 103 1/s using the electronic universal testing machine and the split Hopkinson pressure bar. The experimental results show the strain rate has slight influence on the mechanical property of the material. The dynamic compression strength obeys the Weibull distribution with the Weibull parameter m calculated as 8.19. Scanning electron microscope (SEM) images of the fracture surface of specimens tested at various strain rates indicate that the failure pattern of the material also varies with the strain rate.

KW - 3D needle-punched C/SiC composites

KW - Damage angle

KW - Dynamic compression strength

KW - High strain rate

KW - Mechanical properties

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ER -

Influence of the strain rate on the mechanical behavior of the 3D needle-punched C/SiC composite

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Keywords

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