compression strength and modulus of elasticity parallel to the grain of oak wood at ultra-low and high temperatures

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ID: 133997
2014
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Abstract
The influence of temperature on the compression strength (fc0) in the range of -196 ºC to +220 ºC, and compression modulus of elasticity (Ec0) parallel to the grain of oak (Quercus mongolica Fisch et Turcz.) wood in the range of -196 ºC to +23 ºC were studied. Five specimens were prepared for each temperature level. The specimens were kept at each temperature level for 30 min before a mechanical test was performed in an adjustable-temperature chamber. The results indicated that there were four different failure patterns, depending on the temperature range. When the temperature was decreased from +23 ºC to -196 ºC, the fc0 and Ec0 of wood increased by 283.91% and 146.30%, respectively. The relationships between fc0 and temperature and between Ec0 and temperature could be described by a linear and a polynomial model, respectively. Moreover, the Ec0 could be used to predict fc0 using a polynomial model. However, when the temperature was increased from +23 ºC to +220 ºC, the fc0 decreased by 67%, indicating a non-linear relationship.
Reference Key
jiang2014bioresourcescompression Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jinghui Jiang, Jianxiong Lu, Yongdong Zhou, Youke Zhao, Liyuan Zhao
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Journal medical archives (sarajevo, bosnia and herzegovina)
Year 2014
DOI
10.15376/biores.9.2.3571-3579
URL
http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_3571_Jiang_Compression_Strength_Elasticity
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