The effect of temperature and strain rate on the mechanical properties of highly oriented polypropylene tapes and all-polypropylene composites

被引:136
作者
Alcock, B.
Cabrera, N. O.
Barkoula, N.-M.
Reynolds, C. T.
Govaert, L. E.
Peijs, T.
机构
[1] Univ London, Queen Mary, Dept Mat, London E1 4NS, England
[2] Eindhoven Univ Technol, Eindhoven Polymer Labs, NL-5600 MB Eindhoven, Netherlands
[3] Eindhoven Univ Technol, Dutch Polymer Inst, NL-5600 MB Eindhoven, Netherlands
关键词
A; polymers; recycling; B. high-temperature properties; b. thermornechanical properties; D. life prediction;
D O I
10.1016/j.compscitech.2006.11.012
中图分类号
TB33 [复合材料];
学科分类号
摘要
The creation of highly oriented, co-extruded polypropylene (PP) tapes allows the production of recyclable "all-polypropylene" (all-PP) composites, with a large temperature processing window and a high volume fraction of highly oriented PP (> 90%). The wholly thermoplastic nature of these 'self-reinforced' composites implies that the mechanical performance may vary with temperature. This paper describes the mechanical performance of all-PP composites by measuring the mechanical properties of highly oriented PP tapes and subsequent all-PP composites at a range of temperatures by static and dynamic testing methods. The time-temperature equivalence of all-PP composites is investigated by creating mastercurves of dynamic modulus and tensile strength. A comparison of the performance of these composites with commercial glass fibre reinforced polypropylene composites is included. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2061 / 2070
页数:10
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