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- W2305776937 abstract "본 연구에서는 소나무의 고부가적 이용을 위한 휨가공 특성을 조사하였다. 먼저 휨가공에 영향을 미치는 수종 특성에 대하여 조사하였다. 다음으로 섬유경사각과 휨가공 특성의 관계에 대하여 조사하였다. 시험편은 섬유경사각 $0^{circ}$ , $30^{circ}$ , $45^{circ}$ , $60^{circ}$ , $90^{circ}$ 와 치수 $10mm(T){times}20mm(R){times}350mm(L)$ 로 제작하였다. 휨가공 전의 고주파조사 시간은 30, 60, 90, 120초로 하였다. 본 연구의 결과는 다음과 같다. 1. 섬유경사각의 크기는 휨가공에 있어 탄성계수와 높은 상관이 있었으며, 섬유경사각이 커질수록 휨가공 성능이 크게 증가하였다. 2 강도적인 측면을 고려할 때, 지나치게 큰 섬유경사각은 강도가 약하기 때문에 휩가공채의 용도에 따라 적당한 섬유경사각의 크기가 조정되어야 할 것으로 판단되었다. 3. 휨가공성은 수종에 따라 현저하게 차이가 있는 것으로 조사되었고 수종특성이 명백히 존재하였다. 【In this study, it was examined the characteristics of bending property of red pine(Pinus densiflora S, et Z.) related to slope of grain. At first, we have investigated the characteristics of wood species for bending property. At second, it was examined the relationships between grain angle and its related bending property. Specimens were made following to grain angle $0^{circ}$ , $30^{circ}$ , $45^{circ}$ , $60^{circ}$ , $90^{circ}$ , respectively. Dimension of wood materials was $10mm(T){times}20mm(R){times}350mm(L)$ . Microwave irradiation time for bending process was 30, 60, 90, 120 seconds. The result of this study were as follows ; 1. Grain angle of wood was closely related to Young's modulus on bending process. In the process of bending with various grain angle, wood bending was easily proceed on the high grain angle range. 2. However, the strength of bent wood was very weak when the grain angle was high. Therefore, it was considered suitable grain angle for bending was existed. 3. The characteristics of wood properties for wood bending were very different among wood species.】" @default.
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- W2305776937 date "2001-01-01" @default.
- W2305776937 modified "2023-09-28" @default.
- W2305776937 title "소나무재의 휨 가공성에 미치는 섬유경사각의 영향" @default.
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