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학술저널
저자정보
Lee, Nam-Ho (Department of Wood Science and Technology, Chonbuk National University) Zhao, Xue-Feng (Department of Wood Engineering, Beihua University) Shin, Ik-Hyun (Department of Wood Science and Technology, Chonbuk National University) Park, Moon-Jae (Division of Wood Engineering, Korea Forest Research Institute) Park, Jung-Hwan (Division of Wood Engineering, Korea Forest Research Institute) Park, Joo-Saeng (Division of Wood Engineering, Korea Forest Research Institute)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제39권 제2호
발행연도
2011.1
수록면
125 - 131 (7page)

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The characteristics of radio-frequency/vacuum drying Japanese larch boxed heart round logs with 150 mm and 210 mm in diameter and 2,500 mm in length, subjected to compressive loading, after the pretreatment of kerf were investigated. The results of this study were as the follows: The drying time of about 120 hours~130 hours was needed from green to about 15 percent of moisture content. The gradient of final moisture content for all specimens was very gentle in both longitudinal and transverse directions owing to dielectric heating. The surface checks seriously occurred although the occurrence extent of surface check for the kerfed specimens was slight compared with that for the control specimens because drying stress was relieved by kerf. The occurrence of surface checks for the L-specimen was more serious than that for the S-specimen.

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