Study on the Application of Microwave-heating System for Making Bent-wood Furniture(II) - Bending Processing Properties of Carpinus laxiflora BL. by Microwave-heating -

국산재(國産材) 곡목가구(曲木家具) 제조(製造)를 위한 Microwave-heating System 활용(活用)에 관한 연구(硏究)(II) - Microwave-heating에 의한 서어나무의 소재(素材) 휨가공특성 -

Hornbeam trees(Carpinus laxiflora BL.) are growing in Korea and have good characteristics such as relatively high density, fine texture, split-resistance, and white colour. However, they have seldom been used as manufacturing materials This study was carried out to evaluate the possibility of using hornbeam wood as bent-wood furniture materials. Softening methods were steaming and micro-wave heating. The specimens of $15{\times}15{\times}350mm$ were used green or air-dried, and were steamed at $100^{\circ}C$ for 20min, or microwave heated for 60 seconds. The bending processing conditions are showed in Table 3. The minimum solid-bending radii of air-dried wood were 40mm for steaming and 200mm for micro-wave heating, respectively. And that of green wood were 40mm for micro-wave heating. In conclusion, both of the steamed wood and micro-wave heated green wood showed very good solid bending processing properties, but micro-wave heated air-dried wood were not sufficient for bent-wood furniture.