Cell Wall Mechanical Properties and Microfibril Angle of Phyllostachys edulis in Different Growth Period

【Objective】 Bamboo age is a key factor for logging and utilization of bamboo,and hence we focused on the fiber cell wall of different growth period. The characteristic and mechanical performance of fiber cell wall of moso bamboo aged 0. 5 a,4. 5 a,and 10. 5 a were investigated to find out the differ...

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Veröffentlicht in:Linye kexue (1979) 2018-01 (1), p.174
Hauptverfasser: Liu, Cangwei, Su, Minglei, Wang, Siqun, Wang, Xinzhou, Zhao, Rongjun, Ren, Haiqing, Wang, Yurong
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Sprache:chi
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Zusammenfassung:【Objective】 Bamboo age is a key factor for logging and utilization of bamboo,and hence we focused on the fiber cell wall of different growth period. The characteristic and mechanical performance of fiber cell wall of moso bamboo aged 0. 5 a,4. 5 a,and 10. 5 a were investigated to find out the differences of characteristic and mechanical performance among immature,mature and overmature moso bamboo at nano-scale,which provided a new theoretical basis for the research of scientific logging,classification,modification and reorganization and rational utilization of bamboo in the future.【Method】 The sections made by microtome and ultramicrotome were used to observe microstructure of the crosssection and then choose the precise area for nanoindentation experiments. Nanoindentation experiment combined with nonembedding method was used to investigate the mechanical properties of fiber cell wall,and the wide-angle X-ray scattering method with the Gaussian quasi legitimate calculation was applied to obtain the value of
ISSN:1001-7488
DOI:10.11707/j.1001-7488.20180120