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Classification of Principal Wood Species in China Based on the Physiomechanical Properties

Journal of Renewable Materials 2023年第3期11卷 1425-1437页

作者： Jianyi Zhu Hui Peng Xiaoning Lu Jianxiong Lyu Tianyi Zhan College of Materials Science and Engineering Nanjing Forestry UniversityNanjing210037China Co-Innovation Center of Efficient Processing and Utilization of Forest Resources Nanjing Forestry UniversityNanjing210037China Research Institute of Wood Industry of Chinese Academy of Forestry Beijing100091China

Many tree species are planted in China with variable properties and *** exploring the structure-properties relationships of wood and classifying the species more reasonably,the physiomechanical properties of the domestic wood species in China were analyzed *** to the correlation analysis,the mechanical properties were closely related to the wood *** impact toughness and cleavage strength,the correlation coefficients between mechanical properties and densities were more than ***,shrinkage properties showed fewer correlations with densities,and the coefficient was no more than *** component analysis was proved to be feasible to explore the information of the physiomechanical *** principal components(PC1 and PC2)could account for most of the ***1 and PC2 were designated as density-dominated and shrinkage-associated factors,*** domestic wood species in China could be classified into 4 clusters based on their physiomechanical *** to the cluster results,reasonable grading was proposed for air-dried density,volume shrinkage,modulus of rupture,compression strength parallel to grain and hardness in cross *** statistical results brought insights into analyzing the physiomechanical properties of domestic Chinese wood species,which was helpful for developing strategies of tree breeding and technologies of wood processing.

关键词： Chinese wood species physiomechanical properties primary component analysis cluster analysis grading

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