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
收藏
页码：188 / 199
页数：12
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