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SOME PHYSICAL AND MECHANICAL PROPERTIES OF COCONUT PALM (COCOS NUCIFERA) STEM IN HAINAN ISLAND, CHINA

文献类型： 外文期刊

作者： Lu, Quanji 1 ; Jiang, Huichuan 1 ; Li, Jianing 1 ; Li, Min 1 ; Li, Guanjun 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Rubber Res Inst, Haikou, Peoples R China

2.State Key Lab Incubat Base Cultivat & Physiol Trop, Haikou, Peoples R China

关键词： Physical properties; mechanical properties; vascular bundles; coconut Hainan Island

期刊名称：WOOD RESEARCH （ 影响因子：1.3； 五年影响因子：1.1 ）

ISSN： 1336-4561

年卷期： 2024 年 69 卷 1 期

页码：

收录情况： SCI

摘要： The physical and mechanical properties of 40 -year -old coconut stem were investigated in different radial directions and height positions. The results showed that in the radial direction, the properties of the number of vascular bundles (NVB), density, shrinkage, compressive strength parallel to the grain (CS), modulus of rupture (MOR), and modulus of elasticity (MOE) decreased continuously from the outer area to the inner area, except for the water absorption (WA) value which increased from the outer area to the inner area. The density and MOE decreased from the bottom to the top in the height direction while NVB and WA increased. The shrinkage, CS, and MOE first increased and then decreased from the bottom to the top. NVB in coconut stem affects the density and determines the main mechanical properties of CS, MOR, and MOE. The analysis of variance (two-way ANOVA) showed a significant difference in density, NVB, WA, CS, MOR, and MOE in radial direction and height position. These findings can be useful for the development of new applications for coconut stems, such as in construction, landscaping, or furniture manufacturing, as well as for improving our understanding of their structural characteristics.

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