Glass fibre reinforced polyamide composites: Thermal behaviour of sizings

被引：41
|
作者：
Rudzinski, S. [1 ]
Haeussler, L. [1 ]
Harnisch, Ch. [1 ]
Maeder, E. [1 ]
Heinrich, G. [1 ]
机构：
[1] Leibniz Inst Polymerforsch Dresden eV, D-01069 Dresden, Germany
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 02期
关键词：
Glass fibres; Interphase; Thermal properties; Mechanical testing; OXIDATION;
D O I：
10.1016/j.compositesa.2010.10.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Glass fibre sizings with distinguished thermal properties are developed for improved ageing performance at high process temperature conditions (up to 300 degrees C) in combination with enhanced interfacial adhesion in glass fibre reinforced polyamide 66 matrix composites. Investigations on glass fibre sizing formulations, consisting of combinations of amino propyltriethoxysilane and polyurethane, polyacrylate or epoxy film formers are presented. Using thermo-gravimetric analyses coupled with Fourier transform infrared spectrometry, the influence of the sizing composition on the thermal degradation behaviour is examined. Besides, composites are thermal-oxidatively aged in order to detect the influence of the sizing on their thermal stability. We show that appropriate sizing improves both composite mechanical properties and the ageing stability as indicated by the temperature-time-limit parameters, in which the efficiency is strongly dependent on the silane/film former combination. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：157 / 164
页数：8
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