探索层间结构对玻璃纤维-木复合板的影响:机械和热性能分析
Jiong Zhang1, Shurui Liu1, Jinpeng Li1
1Key Laboratory of Bio-Based Material Science & Technology, Ministry of Education, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China.
Materials (Basel, Switzerland)
|July 30, 2025
概括
这项研究用玻璃纤维增强了木合板,显著提高了机械强度和隔热性能. 确定了一种最佳结构,交替使用面板和玻璃纤维层,以获得优越的复合板性能.
科学领域:
- 材料科学 材料科学 材料科学
- 复合材料工程 复合材料工程
背景情况:
- 传统的合板面临着机械强度和隔热的局限性.
- 像树这样快速生长的木种提供了可持续的替代品,但需要增强财产.
- 纤维增强复合材料为改进木材材料提供了一个有前途的途径.
研究的目的:
- 设计和制造玻璃纤维-松树 Veneer 复合板.
- 研究不同玻璃纤维配置和布布局对机械和热性能的影响.
- 为了确定一个最佳的层间结构,以提高复合材料的性能.
主要方法:
- 用不同的玻璃纤维 (单层/双层) 和木 Veneer 安排制造复合板.
- 机械测试包括冲击,曲和拉伸强度.
- 通过测量热扩散系数来评估隔热.
- 使用Abaqus 2019进行模拟的有限元分析 (FEA).
主要成果:
- 与天然木质合板相比,玻璃纤维增强显著改善了木合板的性能.
- 冲击强度增加了3.62倍,屈曲强度增加了26.22%,拉伸强度增加了29.66%.
- 热扩散系数下降了40.74%,表明绝缘性能提高;单层玻璃纤维显示出比双层玻璃纤维更好的绝缘性能.
- 一个最优的结构 (面膜-玻璃纤维-面膜) 重复三次产生了优异的结果.
- FEA模拟显示与实验数据的良好一致 (5%以内).
结论:
- 结构配置极大地影响了玻璃纤维-木复合材料的性能.
- 优化的间层设计提高了机械强度和热绝缘.
- 这些发现为设计先进的纤维增强复合材料提供了理论基础.
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