Mechanical properties of Virginia creeper tendrils

IF 3.1 2区农林科学 Q1 FORESTRY

Wood Science and Technology Pub Date : 2025-02-05 DOI:10.1007/s00226-024-01626-2

Yueqi Jiang, Qixuan Zeng, Jiantong Sun, Jici Jiang, Lan Cheng, Hongping Zhao

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Abstract

The tendrils of Virginia creepers serve a crucial mechanical function in its attachment system, which may be subjected to environmental forces. In this study, a comprehensive experimental analysis of tensile tests was initially conducted on Virginia creeper straight tendrils, revealing their ability to deform with an elongation of approximately 50%. The investigation encompassed the tendrils of seasonal and locational variations, the moisture content, and the alterative weight ratio of the tendril core (peeled skin of the tendril) to the overall tendril. The findings indicated that the mechanical properties of the tendrils were significantly impacted by both moisture content and growth. The tendril microstructure was then examined by scanning electron microscopy (SEM), which revealed that a substantial presence of G-fibers with characteristic gelatinous helix and helical structures may play a significant role in the remarkable tendril elongation. The study may improve our understanding of the functional and structural aspects of climbers and their tendrils, and contribute to the development of new high-strength composite materials from plant fibers.

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维吉尼亚爬行植物卷须的机械特性

维吉尼亚爬行植物的卷须在其附着系统中起着至关重要的机械作用，它可能受到环境力的影响。在本研究中，首先对维吉尼亚爬行植物的直卷须进行了全面的拉伸试验分析，揭示了其变形伸长率约为50%的能力。调查包括卷须的季节和地点变化，水分含量和卷须核心（卷须去皮）与整体卷须的替代重量比。结果表明，水分含量和生长对卷须的力学性能有显著影响。扫描电镜（SEM）分析了卷须的微观结构，发现具有凝胶状螺旋和螺旋结构的g纤维的大量存在可能对卷须的显著伸长起重要作用。该研究有助于提高我们对攀缘植物及其卷须的功能和结构的认识，并有助于开发新的高强度植物纤维复合材料。

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来源期刊

Wood Science and Technology 工程技术-材料科学：纸与木材

CiteScore

5.90

自引率

5.90%

发文量

审稿时长

3 months

期刊介绍： Wood Science and Technology publishes original scientific research results and review papers covering the entire field of wood material science, wood components and wood based products. Subjects are wood biology and wood quality, wood physics and physical technologies, wood chemistry and chemical technologies. Latest advances in areas such as cell wall and wood formation; structural and chemical composition of wood and wood composites and their property relations; physical, mechanical and chemical characterization and relevant methodological developments, and microbiological degradation of wood and wood based products are reported. Topics related to wood technology include machining, gluing, and finishing, composite technology, wood modification, wood mechanics, creep and rheology, and the conversion of wood into pulp and biorefinery products.