期刊文献+

木质材料中动弹模量色散关系的分析 被引量:1

Analyses of Dispersion Relations of Dynamic Elastic Modulus in the Wood Materials
在线阅读 下载PDF
导出
摘要 用应力波的方法建立一维木材动弹模量的色散关系方程,并测量和分析了两种木质材料的动弹模量与频率的色散关系。在纵振动过程中,两种木材的动弹模量随着频率的增大而增大,而耗散因子随着频率的增大而减少。 This paper deals with the method of stress wave to measure the elastic modulus, loss modulus and their dispersion relationships against frequency of materials. By means of modulus measurements of two kinds of timber, when the frequency of vibration is higher than the base frequency, the elastic modulus is increased with frequencies; but the loss modulus decreases with frequencies.
出处 《南京林业大学学报(自然科学版)》 CAS CSCD 北大核心 2007年第1期131-134,共4页 Journal of Nanjing Forestry University:Natural Sciences Edition
基金 国家自然科学基金资助项目(30671651)
关键词 木质材料 动弹模量 耗散因子 色散 应力波 Timber Dynamic modulus Dissipation factor Dispersion Stress wave
作者简介 余观夏(1968-),男,讲师,硕士,从事木材物理学研究。
  • 相关文献

参考文献9

  • 1潘人培,赵平华.悬丝耦合弯曲共振法测定金属材料杨氏模量[J].物理实验,2000,20(9):5-7. 被引量:36
  • 2史伯章,阮锡根,吴达期.几种测量木材弹性模量及内耗的方法比较[J].南京林业大学学报(自然科学版),1989,13(4):21-28. 被引量:13
  • 3Hearmon RFS. Vibration Testing of Wood[J]. Forest Prod, 1966,16(8);29-40.
  • 4Ouis D. On the Frequency Dependence of the Modulus of Elasticity of Wood[J]. Wood Science and Technology, 2002, 36:335- 346.
  • 5Brancheriau L, Barillieres H. Natural vibration analysis of clear wooden beams: a theoretical review[J]. Wood Science and Technology, 2002,36:347-365.
  • 6Mokuzai Gakkaishi, Nobuo Sobue. Instantaneous measurement of elastic constants by analysis of tap tone of wood[J]. Wood Science and Technology , 1986,32(4): 274-279.
  • 7方向,薛璞.振动理论及应用[M].西安:西北工业大学出版社,2002.
  • 8张勤丽,张齐生,张斌渊,译.木材应用基础[M].上海:上海科学技术出版社,1986.
  • 9钱保功,许观藩.高聚物的转变和松弛[M].北京:科学出版社,1986.

二级参考文献2

  • 1[1]潘人培主编.物理实验.南京:东南大学出版社,1993.312
  • 2J. I. Dunlop. Damping loss in wood at mid kilohertz frequencies[J] 1978,Wood Science and Technology(1):49~62

共引文献50

同被引文献16

  • 1WANG X P, CARTER P, ROSS R J, et al. Acoustic assess ment of wood quality of raw forest materials-a path to in creased profitability [J]. Forest Products Journal, 2007,57 (5) 614.
  • 2PELLERIN R F,ROSS R J. Nondestructive evaluation of wood [M]. USA, Madison : Forest Products Society, 2002.
  • 3WANG X P, ROBERT J R, CARTER P. Acoustic evaluation of wood quality in standing trees. Part I. acoustic wave behav ior [J]. Wood and Fiber Science, 2007,39 (1) : 28-38.
  • 4GAO S,WANG X,WANG L,et al. Effect of temperature on acoustic evaluation of standing trees and logs:Part t laborato I ry investigation [J]. Wood and Fiber Science, 2012,44 ( 3 ) .- 286-297.
  • 5GAO S,WANG X,WANG L,et al. Effect of Temperature on acoustic evaluation of standing trees and logs:Part 2- field in- vestigation [J]. Wood and Fiber Science, 2013,45 ( 1 ) : 15-25.
  • 6ZHANG H J, WANG X P, SU J. Experimental investigation of stress wave propagation in standing trees [J]. Holzfors- chung,2011,65(5) :743-748.
  • 7苏娟,张厚江,王喜平.应力波评价活立木材质的研究与进展[J].林业机械与木工设备,2008,36(8):40-43. 被引量:5
  • 8张厚江,王喜平,苏娟,Robert J Ross.应力波在美国红松立木中传播机理的试验研究[J].北京林业大学学报,2010,32(2):145-148. 被引量:14
  • 9高珊,王立海,王洋,徐华东.应力波在立木冻结与常温状态下的传播速度比较[J].林业科学,2010,46(10):124-129. 被引量:5
  • 10孙燕良,张厚江,朱磊,闫海成,王喜平,廖春晖.木构件材料力学性能快速检测研究[J].西北林学院学报,2012,27(2):245-248. 被引量:12

引证文献1

二级引证文献3

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部