Hygrothermal ageing of plant oil based marine composites

被引：17
|
作者：
Malmstein, M. [1 ]
Chambers, A. R. [1 ]
Blake, J. I. R. [1 ]
机构：
[1] Univ Southampton, Fac Engn & Environm, Southampton SO17 1BJ, Hants, England
来源：
COMPOSITE STRUCTURES | 2013年 / 101卷
基金：
英国工程与自然科学研究理事会;
关键词：
Structural composites; Water uptake; Flexural properties; X-ray computed tomography; Renewable resin; Failure modes; WATER-ABSORPTION; DELAMINATION;
D O I：
10.1016/j.compstruct.2013.02.003
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, the effect of hygrothermal ageing on the flexural properties of glass/epoxy, glass/linseed oil and glass/castor oil composites is reported. Plant oil based resins offer renewable and potentially less toxic alternatives to conventional largely petroleum based marine composites. The long-term performance of these novel composites needs to be investigated and understood before using them in structural applications. In this research it was found that in the unaged condition, the flexural properties of glass/epoxy were significantly higher than both glass/castor oil and glass/linseed oil composites. After ageing in water at 40 degrees C for 46 weeks, the properties of glass/castor oil were comparable to glass/epoxy while the properties of glass/linseed oil were remarkably lower. The decrease in glass/linseed oil performance was explained in terms of the changes in the failure modes caused by moisture uptake. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：138 / 143
页数：6
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