[1]王茜,薛童,胡逢海,等. 毛白杨压缩变形回复工艺与应用的研究[J].西北林学院学报,2018,33(1):247-251.[doi:10.3969/j.issn.1001-7461.2018.01.40]
 WANG Qian,XUE Tong,HU Feng-hai,et al. A Study on the Technique and Application of Compressive Deformation Recovery of Poplar Timber[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(1):247-251.[doi:10.3969/j.issn.1001-7461.2018.01.40]
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 毛白杨压缩变形回复工艺与应用的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第1期
页码:
247-251
栏目:
出版日期:
2018-01-31

文章信息/Info

Title:
 A Study on the Technique and Application of Compressive Deformation Recovery of Poplar Timber
文章编号:
1001-7461(2018)01-0247-05
作者:
 王茜薛童胡逢海史旭斌樊越闫丽*
 (西北农林科技大学 林学院,陕西 杨陵 712100)
Author(s):
 WANG QianXUE TongHU Feng-haiSHI Xu-binFAN YueYAN Li*
 (College of Forestry,Northwest A&F University,Yangling,Shaanxi 712100,China)
关键词:
 木材黏弹性压缩变形回复率
Keywords:
 Wood viscoelasticity compression deformation recovery
分类号:
S792.117
DOI:
10.3969/j.issn.1001-7461.2018.01.40
文献标志码:
A
摘要:
 采用水煮软化和浸泡-微波软化方法处理毛白杨(Populus tomentosa),然后在120、140、160℃热压温度下横纹压缩,再通过冷水浸泡回复处理使压缩变形回复。分析软化工艺、热压温度对木材回复率的影响。探索基于木材黏弹性的压缩变形全回复优化工艺参数并采用该工艺制作工艺品。结果表明,优化工艺参数,将试材浸泡12 h后采用80 kW微波功率处理30 s,再在140℃下进行横纹压缩,经冷水浸泡10 h回复率可达到80.26%;工艺品应用实例证明了该工艺方法在生产实际中的可行性。本研究结果为提高低质速生木材的产品附加值提供新途径。
Abstract:
 In this study,timbers of poplar (Populus tomentosa)were softened by hot water immersion or microwave assisted water immersion,and then compressed cross the grain at the temperatures of 120℃,140℃ and 160℃.Effects of softening and hot pressing temperature on the recovery of wood were analyzed.The process parameters of full recovery of compression deformation based on the viscoelasticity of wood were studied.The results showed that the optimization of process parameters were the poplar wood treated by using 80 kW microwave power 30 s after 12 h water immersion,and compressed at 140℃.The cold water immersion 10 h recovery rate of the wood could reach 80.26%.The application in crafts making confirmed that this technique was feasible.The results of this study would provide a new way to increase the added value of low quality and fast growing wood.

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备注/Memo

备注/Memo:
 收稿日期:2017-03-25修回日期:2017-04-01
基金项目:国家自然科学基金(31400500);西北农林科技大学大学生创新训练计划项目(1201510712059)。
作者简介:王茜,女,本科,研究方向:木材科学与工程。E-mail:18829354768@qq.com
*通信作者:闫丽,女,博士,副教授,研究方向:木材功能性改良。E-mail:liliyan@nwsuaf.edu.cn
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