Effects of tensile fatigue loads on flexural behavior of 3D braided C/C composites

Xiaoling Liao; Hejun Li; Wenfeng Xu; Kezhi Li

doi:10.1016/j.compscitech.2007.10.040

Effects of tensile fatigue loads on flexural behavior of 3D braided C/C composites

Xiaoling Liao, Hejun Li, Wenfeng Xu, Kezhi Li

School of Materials Sience and Engineering

Research output: Contribution to journal › Review article › peer-review

32 Scopus citations

Abstract

3D braided C/C composites have been prepared by an isothermal chemical vapor infiltration (CVI) process, and the evolution of flexural behavior perpendicular to the fiber direction after tensile fatigue loads was examined. The results show that the flexural property of C/C composites was enhanced with the increase in fatigue cycles, and the fracture mode also evolved from "brittle" of original samples to "pseudo-plastic" of fatigued samples. It is suggested that the weakened interface and reduced residual thermal stresses by fatigue loads play important roles in enhancing the property of C/C composites.

Original language	English
Pages (from-to)	333-336
Number of pages	4
Journal	Composites Science and Technology
Volume	68
Issue number	2
DOIs	https://doi.org/10.1016/j.compscitech.2007.10.040
State	Published - Feb 2008

Keywords

A. Structural composites
B. Fatigue
B. Mechanical properties
C. Stress relaxation

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10.1016/j.compscitech.2007.10.040

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title = "Effects of tensile fatigue loads on flexural behavior of 3D braided C/C composites",

abstract = "3D braided C/C composites have been prepared by an isothermal chemical vapor infiltration (CVI) process, and the evolution of flexural behavior perpendicular to the fiber direction after tensile fatigue loads was examined. The results show that the flexural property of C/C composites was enhanced with the increase in fatigue cycles, and the fracture mode also evolved from {"}brittle{"} of original samples to {"}pseudo-plastic{"} of fatigued samples. It is suggested that the weakened interface and reduced residual thermal stresses by fatigue loads play important roles in enhancing the property of C/C composites.",

keywords = "A. Structural composites, B. Fatigue, B. Mechanical properties, C. Stress relaxation",

author = "Xiaoling Liao and Hejun Li and Wenfeng Xu and Kezhi Li",

year = "2008",

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doi = "10.1016/j.compscitech.2007.10.040",

language = "英语",

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T1 - Effects of tensile fatigue loads on flexural behavior of 3D braided C/C composites

AU - Liao, Xiaoling

AU - Li, Hejun

AU - Xu, Wenfeng

AU - Li, Kezhi

PY - 2008/2

Y1 - 2008/2

N2 - 3D braided C/C composites have been prepared by an isothermal chemical vapor infiltration (CVI) process, and the evolution of flexural behavior perpendicular to the fiber direction after tensile fatigue loads was examined. The results show that the flexural property of C/C composites was enhanced with the increase in fatigue cycles, and the fracture mode also evolved from "brittle" of original samples to "pseudo-plastic" of fatigued samples. It is suggested that the weakened interface and reduced residual thermal stresses by fatigue loads play important roles in enhancing the property of C/C composites.

AB - 3D braided C/C composites have been prepared by an isothermal chemical vapor infiltration (CVI) process, and the evolution of flexural behavior perpendicular to the fiber direction after tensile fatigue loads was examined. The results show that the flexural property of C/C composites was enhanced with the increase in fatigue cycles, and the fracture mode also evolved from "brittle" of original samples to "pseudo-plastic" of fatigued samples. It is suggested that the weakened interface and reduced residual thermal stresses by fatigue loads play important roles in enhancing the property of C/C composites.

KW - A. Structural composites

KW - B. Fatigue

KW - B. Mechanical properties

KW - C. Stress relaxation

UR - http://www.scopus.com/inward/record.url?scp=37549007165&partnerID=8YFLogxK

U2 - 10.1016/j.compscitech.2007.10.040

DO - 10.1016/j.compscitech.2007.10.040

M3 - 文献综述

AN - SCOPUS:37549007165

SN - 0266-3538

VL - 68

SP - 333

EP - 336

JO - Composites Science and Technology

JF - Composites Science and Technology

IS - 2

ER -

Effects of tensile fatigue loads on flexural behavior of 3D braided C/C composites

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Keywords

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