植物纤维复合材料用于结构应用的耐用性:简要审查
Yunlong Jia1, Bodo Fiedler2, Wenkai Yang1
1School of Aerospace and Mechanical Engineering/Aviation, Changzhou Institute of Technology, Changzhou 213032, China.
Materials (Basel, Switzerland)
|June 10, 2023
概括
可持续的植物纤维复合材料 (PFC) 对结构性使用具有前景,但湿度,爬行和疲劳等耐用性因素需要谨慎管理. 进一步研究改善PFC的方法.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续工程 可持续工程
- 复合材料 复合材料 复合材料
背景情况:
- 环境可持续性和生态效率正在推动新材料的采用.
- 由于其可持续性,植物纤维复合材料 (PFC) 正在获得结构应用的兴趣.
- 了解PFC的耐用性对于其广泛的工业采用至关重要.
研究的目的:
- 审查目前关于植物纤维复合材料 (PFC) 耐久性的研究.
- 为了确定关键的耐用性因素:湿度/水老化,爬行和疲劳性质.
- 讨论PFC耐久性的现有和潜在改进方法.
主要方法:
- 关于PFC耐久性的现有研究的文献综述.
- 对专注于吸收水分,爬行变形和疲劳行为的研究进行分析.
- 检查提高PFC耐久性的方法,例如纤维表面处理和纤维矩阵粘合.
主要成果:
- 吸收湿度会对PFC的机械性能产生负面影响,目前的处理方法只能减轻,而不是消除问题.
- 由于其微观结构,变形是PFC的一个重大问题;改进的纤维矩阵结合显示了增强的潜力.
- 在40%的UTS下,PFC在张力-张力疲劳下表现出高耐力 (百万个周期),但压缩疲劳需要更多的研究.
结论:
- 碳酸显示出结构应用的潜力,但它们在潮湿环境中的使用受到水吸收的限制.
- 通过材料设计和处理来解决爬行和吸水问题,对于更广泛的PFC应用至关重要.
- 需要进一步的研究,特别是压缩疲劳和先进的方法来减轻湿度和爬行效应.
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