Acoustic emission analysis for characterisation of damage mechanisms in fibre reinforced thermosetting polyurethane and epoxy

M. Kempf; O. Skrabala; V. Altstadt

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Acoustic emission analysis for characterisation of damage mechanisms in fibre reinforced thermosetting polyurethane and epoxy

机译：声发射分析以表征纤维增强的热固性聚氨酯和环氧树脂的破坏机理

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Acoustic emission analysis is used to investigate microscopic damage mechanisms and damage progress in unidirectional glass and carbon fibre reinforced composites. Under static loading the influence of fibre orientation on damage initiation and propagation is determined. A novel polyurethane matrix system significantly enhances material performance in terms of crack initiation load levels, crack growth, damage tolerance and off-axis tensile strength. Hysteresis measurements during stepwise increasing dynamic load tests highlight the effect of fibre-matrix-adhesion and resin fracture toughness in unidirectional 0° fibre reinforced composites. Acoustic detection of beginning fibre breakage correlates with a significant increase of loss work per cycle.

机译：声发射分析用于研究单向玻璃和碳纤维增强复合材料的微观损伤机理和损伤进展。在静态载荷下，确定了纤维取向对损伤的产生和传播的影响。新型聚氨酯基体系统在裂纹萌生载荷水平，裂纹扩展，损伤容限和离轴抗张强度方面显着提高了材料性能。在逐步增加的动态载荷测试过程中进行的磁滞测量突显了单向0°纤维增强复合材料中纤维基质粘合力和树脂断裂韧性的影响。开始纤维断裂的声学检测与每个周期的功损失显着增加相关。

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来源
《Composites》 |2014年第1期|477-483|共7页
作者
M. Kempf; O. Skrabala; V. Altstadt;
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作者单位

University of Bayreuth, Universitaetsstrasse 30, D-95447 Bayreuth, Germany;

University of Bayreuth, Universitaetsstrasse 30, D-95447 Bayreuth, Germany;

University of Bayreuth, Universitaetsstrasse 30, D-95447 Bayreuth, Germany;

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正文语种 eng
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关键词
D. Acoustic emission; D. Mechanical testing; B. Fatigue; A. Polymer-matrix composites (PMCs); Thermosetting polyurethane;

机译：D.声发射;D.机械测试;B.疲劳;A.聚合物基复合材料（PMC）;热固性聚氨酯;

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专利

1. Reprint of: Acoustic emission analysis for characterisation of damage mechanisms in fibre reinforced thermosetting polyurethane and epoxy [J] . M. Kempf, O. Skrabala, V. Altstaedt Composites . 2014,第octa期

机译：转载：声发射分析，用于表征纤维增强的热固性聚氨酯和环氧树脂的损伤机理
2. Damage mechanisms characterisation of carbon fibre/epoxy composite laminates by both electrical resistance measurements and acoustic emission analysis [J] . O. Ceysson, M. Salvia, L. Vincent Scripta materialia . 1996,第8期

机译：通过电阻测量和声发射分析表征碳纤维/环氧树脂复合材料层压板的损伤机理
3. Multi scale analysis by acoustic emission of damage mechanisms in natural fibre woven fabrics/epoxy composites. [J] . C. Bonnafous, F. Touchard, L. Chocinski-Arnault EPJ Web of Conferences . 2010,第13期

机译：通过声发射破坏机理对天然纤维机织织物/环氧树脂复合材料进行多尺度分析。
4. Damage Characterisation of Glass Fibre-Reinforced Epoxy (GRE) Pipes under Biaxial Ultimate Elastic Wall Stress (UEWS) Tests using Acoustic Emissions [C] . M.S. Abdul Majid, A.G. Gibson, T.A. Assaleh Asian-Australasian Conference on Composite Materials . 2013

机译：双轴终极弹性墙应力下玻璃纤维增强环氧（GRE）管的损伤表征使用声学发射
5. Acoustic emission and acousto -ultrasonic signature analysis of failure mechanisms in carbon fiber reinforced polymer materials [D] . Carey, Shawn Allen 2008

机译：碳纤维增强聚合物材料的声发射和声-超声特征分析
6. Real internal microstructure based key mechanism analysis on the micro-damage process of short fibre-reinforced composites [O] . Xiaofang Hu, Jian Fang, Feng Xu, -1

机译：基于真实内部微观结构的短纤维增强复合材料微损伤过程的关键机理分析
7. Acoustic emission-based analysis of damage mechanisms in steel fibre reinforced concrete under monotonic and cyclic loading [O] . M de Smedt 2019

机译：单调和循环加载下钢纤维钢筋混凝土损伤机制的基于声发射分析
8. Neural Network/Acoustic Emission Analysis of Impact Damaged Graphite/Epoxy Pressure Vessels [R] . Walker, J. L. , Hill, E. V. K. , Workman, G. L. , 1995

机译：冲击损伤石墨/环氧压力容器的神经网络/声发射分析

Acoustic emission analysis for characterisation of damage mechanisms in fibre reinforced thermosetting polyurethane and epoxy

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