使用韦布尔统计数据对处理和未处理的香纤维的拉伸强度表征
Maryam Sodagar1, Nassim Edouard Lagrou1, Thomas Gries1
1Institut für Textiltechnik (ITA), RWTH Aachen University, 52074 Aachen, Germany.
Materials (Basel, Switzerland)
|November 13, 2025
概括
木灰处理显著改善了复合材料的香纤维 (BFs). 这种环保方法提高了拉力强度和可靠性,使这些农业残留物更适合可持续材料应用.
科学领域:
- 材料科学 材料科学 材料科学
- 农业工程 农业工程
- 可持续材料 可持续材料
背景情况:
- 来自Musa acuminata的香纤维 (BF) 是丰富的农业残留物,具有作为环保增强材料的潜力.
- 在BF的固有变化挑战了他们对复合材料应用的一致的机械特征.
- 传统的性加工用于纤维处理具有环境缺陷.
研究的目的:
- 研究木灰处理对单一香纤维 (BF) 的抗拉强度和可靠性的影响.
- 评估木灰处理作为传统纤维加工方法的环保替代方案.
- 用韦布尔分析量化纤维强度和统一性的改进.
主要方法:
- 香纤维在水性木灰溶液中处理,pH为12.4和13.5,分别为3小时和24小时.
- 拉伸强度测试是根据ASTM C1557.7对单纤维进行的.
- 结果使用双参数韦布尔分布和可靠性分析进行了分析.
主要成果:
- 未经处理的BF表现出低特征强度 (396.6MPa) 和高可变性 (韦布尔模量m=1.79).
- 木灰处理增强了强度,在pH13.5下3小时内具有最高特征强度 (552.8MPa,m=3.17) .
- 在pH值13.5下24小时达到最大均性 (m=4.62),75%的生存强度达到373MPa.
结论:
- 木灰处理有效地提高了香纤维的抗拉强度和可靠性.
- 这种环保的方法为为复合材料制备BF提供了一个可持续的替代方案.
- 改进的BF显示出在汽车内部,包装和轻量化建筑中的应用潜力更大.
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