复合材料层压板用木质预浸料

IF 0.8 4区 工程技术 Q3 FORESTRY
M. Mohammadabadi, V. Yadama, L. Smith
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引用次数: 1

摘要

使用真空辅助树脂转移模塑(VARTM)和低粘度热塑性树脂形成木质预浸料坯。将木绞线组装成用于树脂注射的多孔垫。树脂填充了木细胞内的大部分空腔,导致空隙体积分数为7%。饱和木绞线的杨氏模量和强度分别比树脂注入前的木绞线高38%和124%。平面层压板是通过在180(cid:1)C和830 kPa下热成型预浸料层压板25分钟来生产的。12层压板的杨氏模量和强度分别比使用压缩树脂转移模塑(CRTM)和环氧树脂生产的木绞线板高73%和20%。木材预浸料有望替代传统的木材复合材料成型工艺,有可能简化复杂形状的制造,同时提高天然材料的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wood-Based Prepreg For Composite Laminates
. A wood-based prepreg was formed using vacuum-assisted resin transfer molding (VARTM) and a low-viscosity thermoplastic resin. Wood strands were assembled to make a porous mat for resin injection. The resin fi lled most of the cavities inside the wood cells resulting in a void volume fraction of 7%. The Young ’ s modulus and strength of the saturated wood strands were 38% and 124% higher, respectively, than those of wood strands prior to resin infusion. Flat laminates were produced by thermoforming prepreg plies at 180 (cid:1) C and 830 kPa, for 25 min. The Young ’ s modulus and strength of fl at 12-ply laminates were 73% and 20% higher, respectively, than a wood-strand panel produced using compression resin transfer molding (CRTM) and epoxy resin. Wood prepreg shows promise as an alternative to traditional wood composite forming processes, with the potential to simplify the manufacture of complex shapes, while improving the properties of the natural material.
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来源期刊
Wood and Fiber Science
Wood and Fiber Science 工程技术-材料科学:纺织
CiteScore
7.50
自引率
0.00%
发文量
23
审稿时长
>12 weeks
期刊介绍: W&FS SCIENTIFIC ARTICLES INCLUDE THESE TOPIC AREAS: -Wood and Lignocellulosic Materials- Biomaterials- Timber Structures and Engineering- Biology- Nano-technology- Natural Fiber Composites- Timber Treatment and Harvesting- Botany- Mycology- Adhesives and Bioresins- Business Management and Marketing- Operations Research. SWST members have access to all full-text electronic versions of current and past Wood and Fiber Science issues.
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