Mechanical Performance of Heat-Treated Norway Spruce (Picea abies) Wood

R. Hasanagić, L. Fathi, M. Sefidruh, M. Bahmani, M. Humar
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引用次数: 0

Abstract

In this study, the mechanical characteristics of Norway spruce wood (Picea abies) from Bosnia and Herzegovina were investigated by thermal treatment at three different temperatures (specifically, 180, 190, and 210°C) and treatment durations (namely, 2, 3, and 4 hours). For this purpose, the maximum 4-point bending force, the modulus of elasticity in bending, the compression strength parallel to the grain, and the compression strength perpendicular to the grain in treated and untreated specimens were evaluated. Results indicated that the relationship between temperature and duration modification affects the mechanical properties of wood specimens. The results revealed that the relationship between temperature and duration modification influenced the mechanical properties of the wood samples. Specifically, in terms of compression strength, it was observed that the heat-treated specimens exhibited improved mechanical properties compared to the unmodified specimens. However, for the maximum 4-point bending force and modulus of elasticity, the results indicated a decrease in mechanical properties.
热处理挪威云杉(Picea abies)木材的机械性能
本研究采用三种不同温度(具体为 180、190 和 210°C)和处理持续时间(即 2、3 和 4 小时)的热处理方法,对波斯尼亚和黑塞哥维那的挪威云杉(Picea abies)木材的机械特性进行了研究。为此,对处理过和未处理过的试样的最大四点弯曲力、弯曲弹性模量、平行于纹理的压缩强度和垂直于纹理的压缩强度进行了评估。结果表明,温度和持续时间之间的关系会影响木材试样的机械性能。结果表明,温度和持续时间之间的关系会影响木材试样的机械性能。具体来说,在压缩强度方面,与未改性的试样相比,经过热处理的试样表现出更好的机械性能。然而,在最大 4 点弯曲力和弹性模量方面,结果表明机械性能有所下降。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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