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Evaluation of drying and anatomical characteristics of Mongolian oak lumber by kiln drying with respect to storage time after sawing
European Journal of Wood and Wood Products ( IF 2.4 ) Pub Date : 2020-08-07 , DOI: 10.1007/s00107-020-01579-w
Yoon-Seong Chang , Yeonjung Han , Hyun-Kyeong Shin , Min-Ji Kim

Wood drying is the most time- and energy-consuming process in the wood industry. Without proper optimization of the drying process, an attempt to reduce drying time and energy by accelerating the drying rate might easily result in the creation of various defects within the kiln-dried lumber. To overcome this susceptibility, the drying and anatomical characteristics of Mongolian oak (Quercus mongolica) lumber (thickness 30 mm × width 100 mm × length 1900 mm) were investigated in this study. To evaluate the effects of kiln drying, shrinkage and color difference (ΔE) were measured along with warping behavior such as cupping, bowing, crooking and twisting. The formation of tyloses was observed microscopically between one and six months after sawing. To develop value-added products from domestic oaks, the yield rate from standing tree to the flooring board was calculated. Based on the results of this study, it is expected that the present value of commercial oak timber in Korea can be improved by the application of an efficient production plan.



中文翻译:

锯切后储藏时间对窑干蒙古栎木材干燥及解剖特性的评价

木材干燥是木材工业中最耗时且最耗能的过程。如果没有适当优化干燥过程,通过加快干燥速度来减少干燥时间和能源的尝试可能很容易导致在窑干木材内部产生各种缺陷。为了克服这种敏感性,蒙古栎(Quercus mongolica)的干燥和解剖特征)木材(厚度30毫米×宽度100毫米×长度1900毫米)在本研究中进行了研究。为了评估窑干燥的效果,测量了收缩率和色差(ΔE)以及翘曲行为,例如拔罐,弯曲,弯曲和扭曲。锯切后1-6个月在显微镜下观察到泰乐菌的形成。为了开发家用橡木的增值产品,计算了从立木到地板的产率。根据这项研究的结果,可以预期,通过应用有效的生产计划,可以提高韩国商品橡木的现值。

更新日期:2020-08-08
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