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速生杨木PF浸渍增强机理及力学性能可靠性分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年04期
Page:
49-51
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
Reliability of mechanical performance of untreated and treated fastgrowing poplar wood with PF
Author(s):
YUE Kong12 LU Xiaoning2 LIU Weiqing1
1.Civil Engineering Institute, Nanjing University of Technology, Nanjing 211816, China; 2.College of Wood Science and Technology, Nanjing Forestry University, Nanjing 210037, China
Keywords:
fastgrowing poplar wood modification mechanical performance reliability
Classification number :
S781;TB114
DOI:
10.3969/j.jssn.1000-2006.2010.04.011
Document Code:
A
Abstract:
Fast growing poplar wood was modified with low molecular phenol-formaldehyde resin (PF) by means of full cell vacuum method. Mechanical properties of modified and untreated poplar woods were analyzed from the point of reliability. The results showed that the modification method was effective to increase the mechanical performance of the stuff, for that its modulus of elasticity, modulus of rupture and longitudinal compression strength increased by 87.784 %, 22136 %, and 207.358 %, respectively after treatment with PF. The reliability extent of materials strength was put forward, indicators were set modulus of elasticity, modulus of rupture and compress strength respectively, and these indicators could meet normal distribution better.

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Last Update: 2010-08-06