Hygrothermal and stacking sequence effects on carbon epoxy composites with molded edges

被引：2
作者：
Candido, Geraldo Mauricio
Costa, Michelle Leali
Rezende, Mirabel Cerqueira
de Almeida, Sergio Frascino M.
机构：
[1] Inst Tecnol Aeronaut, Dept Engn Mecan & Aeronaut, BR-12228900 Sao Jose Dos Campos, SP, Brazil
[2] CTA, IFI, Div Certif Aviacao Civil, Sao Jose Dos Campos, SP, Brazil
[3] Comando Geral Tecnol Aeroespacial, Inst Aeronaut & Espaco, Div Mat, Sao Jose Dos Campos, SP, Brazil
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2006年 / 45卷 / 10期
基金：
巴西圣保罗研究基金会;
关键词：
hygrothermal conditioning; molded edge; polymeric composites; stacking sequence;
D O I：
10.1080/03602550600729016
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Moisture and high temperature may cause a variety of effects on the mechanical and thermophysical properties of polymeric composites. The diffusion of moisture in the laminate occurs primarily by capillarity until a state of equilibrium is reached. Moisture affects the matrix and the fiber/matrix interface. The stacking sequence and the free edge finishing may affect the laminate tensile strength causing a free edge delamination; they can also affect the moisture absorption process. Laminates produced with molded edges do not require machining operations for the trimming and finishing of the free edges causing a gain in productivity. However, the mechanical behavior of laminates with molded edges saturated with moisture has not been characterized. This work presents a comparative study of the tensile strength of cross ply laminates with molded and machined edges under dry condition and saturated with moisture.
引用
收藏
页码：1109 / 1115
页数：7
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