Tensile performance and damage evolution of a 2.5-D C/SiC composite characterized by acoustic emission

Yiqiang Wang; Litong Zhang; Laifei Cheng; Junqiang Ma; Weihua Zhang

doi:10.1007/s10443-008-9066-2

Tensile performance and damage evolution of a 2.5-D C/SiC composite characterized by acoustic emission

Yiqiang Wang, Litong Zhang, Laifei Cheng, Junqiang Ma, Weihua Zhang

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

33 Scopus citations

Abstract

The tensile behavior of a unique 2.5 D C/SiC composite and associated damage evolution was characterized by means of acoustic emission (AE) technique. The results show that the stress-strain curves exhibit mostly nonlinear behavior, which corresponds well with the AE activities. All the evolutions of damage characteristics indicate the phenomenon of matrix cracking saturation which is in agreement with AE results. Microstructural observations reveal extensive matrix cracks and the fracture of yarns always occurred in yarn crossover areas due to the unique weave architecture.

Original language	English
Pages (from-to)	183-188
Number of pages	6
Journal	Applied Composite Materials
Volume	15
Issue number	4-6
DOIs	https://doi.org/10.1007/s10443-008-9066-2
State	Published - Nov 2008

Keywords

Acoustic emission
Damage
Fiber architecture
Mechanical properties

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10.1007/s10443-008-9066-2

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abstract = "The tensile behavior of a unique 2.5 D C/SiC composite and associated damage evolution was characterized by means of acoustic emission (AE) technique. The results show that the stress-strain curves exhibit mostly nonlinear behavior, which corresponds well with the AE activities. All the evolutions of damage characteristics indicate the phenomenon of matrix cracking saturation which is in agreement with AE results. Microstructural observations reveal extensive matrix cracks and the fracture of yarns always occurred in yarn crossover areas due to the unique weave architecture.",

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AU - Cheng, Laifei

AU - Ma, Junqiang

AU - Zhang, Weihua

PY - 2008/11

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AB - The tensile behavior of a unique 2.5 D C/SiC composite and associated damage evolution was characterized by means of acoustic emission (AE) technique. The results show that the stress-strain curves exhibit mostly nonlinear behavior, which corresponds well with the AE activities. All the evolutions of damage characteristics indicate the phenomenon of matrix cracking saturation which is in agreement with AE results. Microstructural observations reveal extensive matrix cracks and the fracture of yarns always occurred in yarn crossover areas due to the unique weave architecture.

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KW - Damage

KW - Fiber architecture

KW - Mechanical properties

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ER -

Tensile performance and damage evolution of a 2.5-D C/SiC composite characterized by acoustic emission

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Keywords

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