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| Research Progress in Multi-scale Interface Structure and Mechanical Properties of Wood |
| Received:December 02, 2020 |
| DOI：10.11981/j.issn.1000-6842.2021.01.88 |
| Key Words:multi-scale interface structure;mechanical properties of interface structures;cell wall;load transfer |
| Fund Project:国家自然科学基金重大项目（31890772）。 |
| Author Name | Affiliation | Postcode | | LONG Keying* | Research Institute of Wood Industry， Chinese Academy of Forestry， Beijing， 100091 | 100091 | | WANG Dong | Northwestern Polytechnical University of Culture and Heritage， Xi’an， Shaanxi Province， 710072 | 710072 | | LIN Lanying | Research Institute of Wood Industry， Chinese Academy of Forestry， Beijing， 100091 | 100091 | | FU Feng | Research Institute of Wood Industry， Chinese Academy of Forestry， Beijing， 100091 | 100091 |
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| Abstract: |
| Wood is a heterogeneous natural composite material with a multi-scale structure and high anisotropy， and its mechanical properties are related to the physical structure at various scales and chemical compositions. The multi-scale interface structure of wood has significant influences on its load transfer and stress dispersion. In this review， the internal relationship between wood multi-scale interface structures and its mechanical properties was summarized from millimeter-scale growth ring structure to nano-scale polymer structure， which would help to reveal the law of the stress change， distribution， and transfer of interface structures， and could provide a scientific basis for processing and modification as well as efficient use of wood. |
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