A Generalized Self-Consistent Model for Interfacial Debonding Behavior of Fiber Reinforced Rubber Matrix Sealing Composites

This paper presents an experimental and numerical study of short-fiber-reinforced rubber matrix sealing composites(SFRC). The transverse tensile stress-strain curves of SFRC are obtained by experiments. Based on the generalized self-consistent method, a representative volume element(RVE) model is es...

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Bibliographic Details
Published in:Shanghai jiao tong da xue xue bao 2017-06, Vol.22 (3), p.343-348
Main Author: 张斌 宇晓明 顾伯勤
Format: Article
Language:English
Subjects:
Alloys
Architecture
Computer Science
Debonding
Electrical Engineering
Engineering
Fiber composites
Interphase
Life Sciences
Materials Science
Mathematical models
Mechanical properties
Modulus of elasticity
Rubber
Scanning electron microscopy
Sealing
Stress-strain curves
Stress-strain relationships
Studies
Tensile stress
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Summary:This paper presents an experimental and numerical study of short-fiber-reinforced rubber matrix sealing composites(SFRC). The transverse tensile stress-strain curves of SFRC are obtained by experiments. Based on the generalized self-consistent method, a representative volume element(RVE) model is established, and the cohesive zone model is employed to investigate the interfacial failure behavior. The effect of interphase properties on the interfacial debonding behavior of SFRC is numerically investigated. The results indicate that an interphase thickness of 0.3 μm and an interphase elastic modulus of about 502 MPa are optimal to restrain the initiation of the interfacial debonding. The interfacial debonding of SFRC mainly occurs between the matrix/interphase interface,which agrees well with results by scanning electron microscope(SEM).
ISSN:1007-1172
1995-8188
DOI:10.1007/s12204-017-1841-5