[1]江涛,李秀荣,谢延军,等. 微波预处理对巨尾桉木材渗透性的影响[J].西北林学院学报,2013,28(01):174-177.[doi:10.3969/j.issn.1001-7461.2013.01.35]
　JIANG Tao,LI Xiu-rong,XIE Yan-jun,et al. Effects of Microwave Pretreatment on the Permeability of Eucalyptus grandis×Eucalyptus urophylla[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(01):174-177.[doi:10.3969/j.issn.1001-7461.2013.01.35]
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 微波预处理对巨尾桉木材渗透性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年01期
页码:
174-177
栏目:
出版日期:
2013-01-30

文章信息/Info

Title:
 Effects of Microwave Pretreatment on the Permeability of Eucalyptus grandis×Eucalyptus urophylla
文章编号:
1001-7461(2013)01-0174-04
作者:
 江涛; 李秀荣; 谢延军; 周根记; 王清文
 (1.广西大学 林学院，广西 南宁 530005；2.东北林业大学 生物质材料科学与技术教育部重点实验室，黑龙江 哈尔滨 150040)
Author(s):
 JIANG Tao; LI Xiu-rong; XIE Yan-jun; ZHOU Gen-ji; WANG Qing-wen
 (1.College of Forestry,Guangxi University,Nanning,Guangxi 530005,China; 2.Key Laboratory of Bio-based Material Science and Technology,Ministry of Education,Northeast Forestry University,Harbin,Heilongjiang 150040,China)
关键词:
 ; 巨尾桉木材; 微波辐照; 渗透性; 增重率; 静曲强度
Keywords:
Eucalyptus grandis×Eucalyptus urophylla;  microwave pretreatment;  permeability; water absorption rate;  water loss rate
分类号:
S792.39
DOI:
10.3969/j.issn.1001-7461.2013.01.35
文献标志码:
A
摘要:
 采用微波辐照预处理巨尾桉木材，然后将试材相同条件下进行吸水试验和饱水干燥试验，测定试材的吸水增重率（WAR）和干燥失重率（WLR），以增重率和失重率来评价试材的渗透性。并研究了试材的静曲强度和弹性模量。结果表明，微波预处理试材的吸水增重率和干燥失重率均大于未处理材，即预微波处理可以使巨尾桉木材的渗透性得到改善，相同条件下，经微波预处理的试材水分吸入和散失快于未处理材。但微波处理时间对增重率和失重率影响不明显，这可能与选择的微波功率较低和试材的变异性有关。微波处理对试材的静曲强度和弹性模量影响不大。
Abstract:
 To improve the permeability of eucalyptus wood (Eucalyptus grandis×Eucalyptus urophylla),microwave pretreatment was conducted.The treated and untreated wood specimens were soaked in the water until saturation.The wood samples were then dried at different temperatures.The rates of water absorption and water loss were recorded.The effects of test material on modulus of rupture (MOR) and modulus of elasticity (MOE) were also investigated.The results showed that the water absorption rate（WAR）and water loss rate (WLR) of microwave treated specimens were greater than those of the untreated ones,suggesting that microwave treatment could improve the permeability of eucalyptus wood.There was no obvious correlation between the treating time and water absorption or water loss,this may be due to the low microwave power and variability of the test material.The microwave treatment exhibited little effect on modulus of rupture and modulus of elasticity of test materials.

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备注/Memo

备注/Memo:
 收稿日期：2012-03-30 修回日期：2012-06-21
基金项目：广西大学科研基金资助项目（XBZ120677）。
作者简介：江涛，男，讲师，博士研究生，主要研究方向：木材保护和功能性改良。E-mail：jt001@sina.com
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