Effects of Heat Treatment on Physical-Mechanical Properties of Eucalyptus regnans

被引：15
|
作者：
Zhang, Tingting [1 ]
Tu, Dengyun [1 ]
Peng, Chong [1 ]
Zhang, Xifu [2 ]
机构：
[1] South China Agr Univ, Guangzhou, Guangdong, Peoples R China
[2] Zhongshan Dongcheng Furniture Responsibil Co Ltd, Zhongshan, Guangdong, Peoples R China
来源：
BIORESOURCES | 2015年 / 10卷 / 02期
关键词：
Eucalyptus regnans; Heat treatment; Physical-mechanical properties; TREATED WOOD; L; WOOD;
D O I：
10.15376/biores.10.2.3531-3540
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Eucalyptus regnans was subjected to thermal treatment. The samples were placed in superheated vapors at 120, 130, 140, 150, 160, 170, 180, 190, and 200 degrees C at ambient pressure to determine the effect of heat treatment on the physical-mechanical properties of Eucalyptus regnans. The results showed that heat treatment played an important role in the impact toughness, nail-holding ability, surface hardness, bending strength, and bending modulus of elasticity of E. regnans. The nail-holding ability, surface hardness, bending strength, and bending modulus of elasticity of E. regnans treated at 120 and 130 degrees C increased related to untreated wood, but decreased at 140 to 200 degrees C. The impact toughness decreased after heat treatment from 120 to 200 degrees C, while the bending modulus of elasticity increased. Consequently, heating at 120 and 130 degrees C was found to be more suitable to ensure sufficient strength.
引用
收藏
页码：3531 / 3540
页数：10
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