The water absorption behaviour of all-polypropylene composites and its effect on mechanical properties

被引：73
作者：
Deng, H. [1 ,2 ,3 ]
Reynolds, C. T. [2 ,3 ]
Cabrera, N. O. [2 ,3 ,4 ]
Barkoula, N. -M. [2 ,3 ,5 ]
Alcock, B. [2 ,3 ]
Peijs, T. [2 ,3 ,4 ]
机构：
[1] Sichuan Univ, State Key Lab Polymer Mat Engn, Coll Polymer Sci & Engn, Chengdu 610065, Sichuan, Peoples R China
[2] Univ London, Ctr Mat Res, London E1 4NS, England
[3] Univ London, Sch Mat Sci & Engn, London E1 4NS, England
[4] Eindhoven Univ Technol, Eindhoven Polymer Labs, NL-5600 MB Eindhoven, Netherlands
[5] Univ Ioannina, Dept Mat Sci & Engn, GR-45110 Ioannina, Greece
来源：
COMPOSITES PART B-ENGINEERING | 2010年 / 41卷 / 04期
关键词：
Polymer-matrix composites (PMCs); Environmental degradation; Mechanical properties; Analytical modelling; SINGLE-POLYMER COMPOSITES; HOT COMPACTION; FLAX FIBERS; STRAIN-RATE; POLYETHYLENE COMPOSITES; IMPACT PERFORMANCE; TAPES; CONSOLIDATION; TEMPERATURE; SHEET;
D O I：
10.1016/j.compositesb.2010.02.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Woven fabric based self-reinforced polypropylene (SRPP) or all-polypropylene (all-PP) composite laminates based on co-extruded tapes were analysed for water uptake and the effect that this had on mechanical properties. Comparisons were made to a commercial glass mat reinforced PP (GMT) and natural fibre mat reinforced PP (NMT). Although the all-PP composites described in this paper can show significant water uptake through the presence of voids between tapes in the crimp region, the amount of which depends on the fabric architecture and level of consolidation, and their mechanical properties are seen to be largely unaffected by water absorption, even after freezing and thawing. Conversely, the NMT used in this investigation demonstrated significant mechanical degradation with increasing water uptake. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
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收藏
页码：268 / 275
页数：8
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