Micromechanics for a long fibre reinforced composite model with a functionally graded interphase

被引：31

作者：

Sabiston, Trevor ^{[1
]}

Mohammadi, Mohsen ^{[1
]}

Cherkaoui, Mohammed ^{[2
]}

Levesque, Julie ^{[3
]}

Inal, Kaan ^{[1
]}

机构：

[1] Univ Waterloo, Dept Mech & Mechatron Engn, Waterloo, ON N2L 3G1, Canada

[2] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA

[3] Univ Laval, Dept Mech Engn, Laval, PQ G1V 0A6, Canada

来源：

COMPOSITES PART B-ENGINEERING | 2016年 / 84卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Micro-mechanics; Interface/interphase; Computational modelling; Functionally graded interphase; CARBON FIBER/EPOXY COMPOSITES; ELASTIC-CONSTANTS; FAILURE CRITERIA; BEHAVIOR; STRENGTH; STRESS; MATRIX; DAMAGE; EQUATIONS;

D O I：

10.1016/j.compositesb.2015.08.070

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A unit cell model based on the interaction between the fibre and a matrix at the micromechanics scale for a long fibre reinforced composite is developed. An interphase zone is defined to describe the load transfer between the fibre and matrix. The interphase zone has functionally graded properties, and occupies a region including the physical boundary between the fibre and matrix. Material paring constants k and l are introduced to define the size of the interphase zone, independent of the volume fraction of reinforcement for a given set of materials. This model allows the prediction of the average stress in the composite as well as the constituents. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：188 / 199

页数：12

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