Hygrothermal degradation of elastic properties of fiber reinforced composites: A micro-scale finite element analysis

被引：33

作者：

Gholami, Meghdad ^{[1
]}

Afrasiab, Hamed ^{[1
]}

Baghestani, Ali Mohammad ^{[1
]}

Fathi, Alireza ^{[1
]}

机构：

[1] Babol Noshirvani Univ Technol, Dept Mech Engn, Babol, Iran

来源：

COMPOSITE STRUCTURES | 2021年 / 266卷

关键词：

Composite materials; Hygrothermal conditions; Degradation of elastic properties; Finite element method; Micromechanics; IMPACT BEHAVIOR; DELAMINATION; PLATES; MODEL;

D O I：

10.1016/j.compstruct.2021.113819

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, the effect of hygrothermal conditions on elastic properties of polymeric composite materials is investigated by the finite element method. A micromechanical degradation model is developed based on Fick's second law utilizing an ABAQUS python scripting micro modeling (APSMM) and an ABAQUS parallel finite element analysis (APFEA). The APSMM algorithm is used to study the degradation of elastic constants of a fiber-reinforced polymeric composite (AS/3501?5) under specific hygrothermal conditions, while, the APFEA scheme is employed to solve the problem under time-dependent (transient) hygrothermal conditions. The results are verified against available experimental data. The main advantage of the proposed methods is that by experimentally determining the composite material properties only at one particular temperature and humidity condition, these properties can be obtained after any time of exposure to constant or timevarying hygrothermal conditions. Furthermore, these methods can be extended to analyze different types of composites with any kind of material and/or construction.

引用

页数：12

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