Optimization of curing cycle in carbon fiber-reinforced laminates: Void distribution and mechanical properties

被引：108
|
作者：
Hernandez, S. [1 ]
Sket, F. [1 ]
Gonzalez, C. [1 ,2 ]
LLorca, J. [1 ,2 ]
机构：
[1] IMDEA Mat Inst, Madrid 28906, Spain
[2] Univ Politecn Madrid, Dept Mat Sci, Madrid 28040, Spain
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2013年 / 85卷
关键词：
Polymer-matrix composites; Curing; Mechanical properties; Porosity/voids; X-ray microtomography; INTERLAMINAR SHEAR-STRENGTH; CURE PRESSURE; COMPOSITES; BEHAVIOR; POLYMER; HEAT;
D O I：
10.1016/j.compscitech.2013.06.005
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A strategy is presented to optimize out-of-autoclave processing of quasi-isotropic carbon fiber-reinforced laminates. Square panels of 4.6 mm nominal thickness with very low porosity (<= 0.2%) were manufactured by compression molding at low pressure (0.2 MPa) by careful design of the temperature cycle to maximize the processing window. The mechanisms of void migration during processing were ascertained by means of X-ray microtomography and the effect of ply clustering on porosity and on void shape was explained. Finally, the effect of porosity and ply clustering on the compressive strength before and after impact was studied. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：73 / 82
页数：10
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