[1]岳小泉,王立海*,徐庆波. 腐朽对木材微观结构和金属元素含量的影响[J].西北林学院学报,2017,32(6):234-239.[doi:10.3969/j.issn.1001-7461.2017.06.37]
　YUE Xiao-quan,WANG Li-hai*,XU Qing-bo. Effects of Wood Decay on the Microstructure and Cation[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(6):234-239.[doi:10.3969/j.issn.1001-7461.2017.06.37]
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 腐朽对木材微观结构和金属元素含量的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第6期
页码:
234-239
栏目:
出版日期:
2017-11-30

文章信息/Info

Title:
 Effects of Wood Decay on the Microstructure and Cation
文章编号:
1001-7461(2017)06-0234-06
作者:
 岳小泉1; 2; 王立海2*; 徐庆波2
 （1.福建农林大学 交通与土木工程学院，福建 福州 350002；2.东北林业大学 工程技术学院，黑龙江 哈尔滨 150040）
Author(s):
 YUE Xiao-quan1; 2; WANG Li-hai2*; XU Qing-bo2
 (1.College of Transportation and Civil Engineering,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China; 2.College of Engineering and Technology,Northeast Forestry University,Harbin,Heilongjiang 150040,China)
关键词:
 ; 木材腐朽; 微观结构; 金属元素含量; 木材电阻
Keywords:
 ; wood decay;  microstructure;  cation content;  wood electrical resistance
分类号:
S781.42
DOI:
10.3969/j.issn.1001-7461.2017.06.37
文献标志码:
A
摘要:
 木材因腐朽造成大量的损失，研究腐朽对木材微观结构的影响具有重要意义。以红松木材为研究对象，使用电子扫描显微镜观察褐腐菌在木材内部的生长、分布以及对细胞壁结构的破坏情况，并进行表面微区的能谱分析，分析不同腐朽阶段木腐菌的生长情况和金属元素的分布；通过电感耦合等离子发射光谱（ICP）分析不同腐朽阶段金属阳离子浓度的情况，比较各腐朽阶段金属元素含量的变化。结果表明，1）在微观结构上，腐朽木材的导管结构被破坏，木材内有密集的菌丝团；2）能谱分析中，木材腐朽后能谱图中的金属元素含量峰值出现变化，木材表面微区的金属元素相对含量有所增加；3）ICP-OES的定量分析，木材腐朽后金属元素的浓度值增加，因这些导电离子的存在使得木材腐朽后电阻减小。
Abstract:
 Decay is one of the most important factors that cause heavy loss of forest resources.It is necessary for the depth study of the influence of decay on the wood microcosmic structure.Taking the rot fungal infected wood of Pinus koraiensis as research object,the scanning electron microscopy and energy spectrum analysis were used to study the changes of microstructure and metal distribution of wood in different stages of decay,and the ion concentration of decay wood specimens was detected by ICP-OES in the laboratory.The results showed that 1) the growing hypha destroyed the microcosmic appearance and structure of decay wood,and the destruction of rot fungi to wood cell wall got more and more serious as the decay degree deepened.2) According to EDAX analysis,the maximum content of metal elements changed and the relative amount of metal element in the wood surface increased.3) Through quantitative analysis of ICP-OES,metal element contents increased significantly and the total concentration of metal elements presented increasing trend.It was assumed that the increased cation content was the key factor affected the electrical resistance of decay wood.

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备注/Memo

备注/Memo:
 收稿日期：2017-06-17修回日期：2017-09-29
基金项目：福建农林大学高水平大学建设重点项目(113-612014018)；国家948项目（2014-4-78）”；福建省教育厅科技项目(JA15155)。
作者简介：岳小泉，女，讲师，研究方向：木结构检测、木材无损检测。E-mail：yxqzrh@foxmail.com
*通信作者：王立海，男，教授，博士生导师，研究方向：木材无损检测、森林工程。E-mail：wanglihai2012@126.com
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