Mechanical properties of a self-healing fibre reinforced epoxy composites

被引：46

作者：

Lee, J. ^{[1
,2
]}

Bhattacharyya, D. ^{[2
]}

Zhang, M. Q. ^{[3
]}

Yuan, Y. C. ^{[3
]}

机构：

[1] Kazakh British Tech Univ, Fac Oil & Gas Ind, Dept Petr Engn, Alma Ata 050000, Kazakhstan

[2] Univ Auckland, Dept Mech Engn, Ctr Adv Composite Mat, Auckland 1142, New Zealand

[3] Zhongshan Univ, Inst Mat Sci, Minist Educ, Key Lab Polymer Composite & Funct Mat, Guangzhou 510275, Guangdong, Peoples R China

来源：

COMPOSITES PART B-ENGINEERING | 2015年 / 78卷

关键词：

polymer-matrix composites (PMCs); Smart materials; micro-mechanics; Mechanical tests; Self-healing; POLYMERIC MATERIALS; IMPACT DAMAGE; MICROCAPSULES;

D O I：

10.1016/j.compositesb.2015.04.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Inspired by biological systems in which damage triggers an autonomic healing response, a polymer composite material that can heal itself when cracked has been developed. In this work, compression and tensile properties of a self-healed fibre reinforced epoxy composites were investigated. Micro-encapsulated epoxy and mercaptan healing agents were incorporated into a glass fibre reinforced epoxy matrix to produce a polymer composite capable of self-healing. The self-repair microcapsules in the epoxy resin would break as a result of microcrack expansion in the matrix, and letting out the strong repair agent to recover the mechanical strength with a relative healing efficiency of up to 140% which is a ratio of healed property value to initial property value or healing efficiency up to 119% if using the healed strength with the damaged strength. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：515 / 519

页数：5

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