Evaluating the effect of heat treating temperature and duration on selected wood properties using comprehensive cluster analysis
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- 作者：Fei Guo (1)
Rongfeng Huang (1)
Jianxiong Lu (1)
Zhangjing Chen (2)
Yongjian Cao (3) - 关键词：Cluster analysis ; Factor analysis ; Populous tomentosa ; Thermal treatment ; Wood properties
- 刊名：Journal of Wood Science
- 出版年：2014
- 出版时间：August 2014
- 年：2014
- 卷：60
- 期：4
- 页码：255-262
- 全文大小：307 KB
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Rongfeng Huang (1)
Jianxiong Lu (1)
Zhangjing Chen (2)
Yongjian Cao (3)
1. Key Laboratory of Wood Science and Technology of State Forestry Administration, Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100091, People鈥檚 Republic of China
2. Dept. of Sustainable Biomaterials, Brooks Forest Products Center, Virginia Polytechnic Institute and State University, Blacksburg, USA
3. Guangdong Academy of Forestry, Guangzhou, People鈥檚 Republic of China - ISSN：1611-4663
文摘
In this study, twenty-five heat treatments were conducted at the various treating conditions of five temperatures and five durations. At each treatment, 15 poplar specimens were used. Twelve variables that represented wood color, physical and mechanical properties and durability were measured for both treated and untreated specimens. To evaluate the effect of heat treatment on the wood performance, a comprehensive cluster analysis was applied to the measured variables of treated and untreated specimens. Cluster analysis showed that treating and control specimens can be distinctly classified into 2, 3 or 4 clusters according to the intended purposes. Two clusters can represent the control group and twenty-five testing groups. Four clusters represented the control group and three groups of testing specimens having mild, moderate and severe treating conditions, respectively. At the mild treatment, modulus of rupture (MOR) was reduced