三维编织复合材料在腐蚀条件下的老化性能研究

IF 1.8 4区化学 Q3 POLYMER SCIENCE

High Performance Polymers Pub Date : 2022-12-19 DOI:10.1177/09540083221146924

Liang Xu, Jing Xiao, Song Zhou

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引用次数: 1

摘要

不同的老化条件对碳纤维复合材料的性能有重要影响。在本研究中，研究并分析了三维编织碳纤维增强树脂基复合材料在60°C的三种不同老化环境（蒸馏水浸泡、30%H2SO4溶液浸泡和10%NaOH溶液浸泡）中的性能。分析了质量变化、吸湿变化、傅立叶变换红外光谱（FTIR）、老化前后的表面形态、玻璃化转变温度（Tg）、压缩性能、弯曲性能和层间剪切性能。结果表明，在10%NaOH溶液中浸泡使试样破坏，老化过程发生了化学变化。蒸馏水浸泡和30%H2SO4溶液浸泡吸湿率符合FICK定律，老化过程只有物理变化。在三种老化条件下，复合材料试样的表面在纤维和树脂基体之间的界面处产生了不同程度的裂纹和脱粘。老化试样的Tg、弯曲性能、层间剪切性能和压缩性能均表现出不同程度的退化。

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Study on the aging properties of 3D woven composites under corrosive conditions

Different aging conditions have an important influence on the performance of carbon fiber composites. In this study, the properties of three-dimensional woven carbon fiber reinforced resin matrix composites were investigated and analyzed in three different aging environments (distilled water immersion, 30% H2SO4 solution immersion, and 10% NaOH solution immersion) at 60°C. Mass change, moisture absorption change, Fourier transform infrared spectra (FTIR), surface morphology before and after aging, glass transition temperature (Tg), compression properties, bending properties, and interlayer shear properties were analyzed. The results showed that the immersion in 10% NaOH solution made the specimens destroyed and the aging process was chemically changed. Distilled water immersion and 30% H2SO4 solution immersion moisture absorption rate to meet the FICK law, the aging process only physical changes. The surface of the composite specimens under the three aging conditions produced different degrees of cracks and different degrees of debonding at the interface between the fibers and the resin matrix. The Tg, flexural properties, interlaminar shear properties, and compressive properties of the aged specimens all showed different degrees of degradation.

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来源期刊

High Performance Polymers 化学-高分子科学

CiteScore

4.20

自引率

14.30%

发文量

106

审稿时长

1.2 months

期刊介绍： Health Services Management Research (HSMR) is an authoritative international peer-reviewed journal which publishes theoretically and empirically rigorous research on questions of enduring interest to health-care organizations and systems throughout the world. Examining the real issues confronting health services management, it provides an independent view and cutting edge evidence-based research to guide policy-making and management decision-making. HSMR aims to be a forum serving an international community of academics and researchers on the one hand and healthcare managers, executives, policymakers and clinicians and all health professionals on the other. HSMR wants to make a substantial contribution to both research and managerial practice, with particular emphasis placed on publishing studies which offer actionable findings and on promoting knowledge mobilisation toward theoretical advances. All papers are expected to be of interest and relevance to an international audience. HSMR aims at enhance communication between academics and practitioners concerned with developing, implementing, and analysing health management issues, reforms and innovations primarily in European health systems and in all countries with developed health systems. Papers can report research undertaken in a single country, but they need to locate and explain their findings in an international context, and in international literature.