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Physical and Mechanical Properties of Phyllostachys pubescens Treated with Hot Water and Microwave Irradiation  

Shin, Hoon-Jae (Korea Forest Service, Yeongwol National Forest Station)
Ahn, Sang-Yeol (College of Agriculture & Life Sciences, Gyeongsang National University)
Byeon, Hee-Seop (College of Agriculture & Life Sciences, Institute of Agriculture & Life Science, Gyeongsang National University)
Park, Sang-Bum (Department of Forest Products Korea Forest Research Institute)
Kong, Young-To (College of Agriculture & Life Sciences, Institute of Agriculture & Life Science, Gyeongsang National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.32, no.2, 2004 , pp. 40-49 More about this Journal
Abstract
Phyllostachys pubescens planted in the Nambu Forest Experiment station in Jinju city of Gyongnam province was used, to investigate the physical and mechanical property of bamboo in this study. The ages of the P. pubescens were 1, 2 and 3 years, respectively. This experiment was carried out in August and January. The P. pubescens were divided into upper, middle and lower parts according to the growing points. The physical and mechanical properties of the P. pubescens were investigated before and after treatment of hot water and microwave irradiation. 1. The upper part of the P. pubescens indicated the highest static MOE according to the growing points. The range of the static MOE was from 70,000 to 110,000kgf/cm2. 2. When P. pubescens were treated with hot water of 95℃, the ratio of softening was about 10~30%. 3. As microwave irradiation time was increased, the MOE values was decreased in both green and water-saturated bamboos. For the irradiation time of 20 and 30 seconds, the static MOE of P. pubescens was decreased up to about 50% comparing with non-treated.
Keywords
Phyllostachys pubescens; softening of bamboo; hot water; microwave irradiation; MOE;
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