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2011•Journal of the Korean Wood Science and TechnologyOpen access

The Mechanical Properties of Heat-Compressed Radiata Pine (Pinus radiata D.Don) by Compression Set

Sung‐Wook Hwang, Won-Hee Lee

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Abstract

라디에타 소나무(Pinus radiata D.Don)를 압체온도 $180^{\circ}C$ , 압체시간 60분 조건으로 열압밀화 목재를 제작하여 압축세트량에 따른 종압축강도, 휨강도, 경도, 못뽑기저항을 조사하였다. 압축세트량 60%인 열압밀화 목재의 비중은 1.01로 나타났으며, 대조군의 비중 0.48에 비해 현저히 증가한 값을 나타내었다. 압축세트량의 증가와 함께 모든 역학적 특성도 향상되었다. 그리고 라디에타 소나무의 최대 압축세트량은 약 65%로 확인되었으며, 이는 비중 0.48인 라디에타 소나무의 공극율 68%와 거의 일치하는 결과이다. The mechanical properties of heat-compressed Radiata pine (Pinus radiata D.Don) by compression set were investigated. Heat-compression condition was temperature at $180^{\circ}C$ and press time for 60 minutes. The mechanical properties of heat-compressed wood increased with increasing compression set. Increase of the specific gravity has led to increase in mechanical properties. The maximum compression set of Radiata pine was investigated approximately 65%. It was almost same result with porosity 68% of Radiata pine in specific gravity 0.48.

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라디에타 소나무(Pinus radiata D.Don)를 압체온도 $180^{\circ}C$ , 압체시간 60분 조건으로 열압밀화 목재를 제작하여 압축세트량에 따른 종압축강도, 휨강도, 경도, 못뽑기저항을 조사하였다. 압축세트량 60%인 열압밀화 목재의 비중은 1.01로 나타났으며, 대조군의 비중 0.48에 비해 현저히 증가한 값을 나타내었다. 압축세트량의 증가와 함께 모든 역학적 특성도 향상되었다. 그리고 라디에타 소나무의 최대 압축세트량은 약 65%로 확인되었으며, 이는 비중 0.48인 라디에타 소나무의 공극율 68%와 거의 일치하는 결과이다. The mechanical properties of heat-compressed Radiata pine (Pinus radiata D.Don) by compression set were investigated. Heat-compression condition was temperature at $180^{\circ}C$ and press time for 60 minutes. The mechanical properties of heat-compressed wood increased with increasing compression set. Increase of the specific gravity has led to increase in mechanical properties. The maximum compression set of Radiata pine was investigated approximately 65%. It was almost same result with porosity 68% of Radiata pine in specific gravity 0.48.

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Available abstract

라디에타 소나무(Pinus radiata D.Don)를 압체온도 $180^{\circ}C$ , 압체시간 60분 조건으로 열압밀화 목재를 제작하여 압축세트량에 따른 종압축강도, 휨강도, 경도, 못뽑기저항을 조사하였다. 압축세트량 60%인 열압밀화 목재의 비중은 1.01로 나타났으며, 대조군의 비중 0.48에 비해 현저히 증가한 값을 나타내었다. 압축세트량의 증가와 함께 모든 역학적 특성도 향상되었다. 그리고 라디에타 소나무의 최대 압축세트량은 약 65%로 확인되었으며, 이는 비중 0.48인 라디에타 소나무의 공극율 68%와 거의 일치하는 결과이다. The mechanical properties of heat-compressed Radiata pine (Pinus radiata D.Don) by compression set were investigated. Heat-compression condition was temperature at $180^{\circ}C$ and press time for 60 minutes. The mechanical properties of heat-compressed wood increased with increasing compression set. Increase of the specific gravity has led to increase in mechanical properties. The maximum compression set of Radiata pine was investigated approximately 65%. It was almost same result with porosity 68% of Radiata pine in specific gravity 0.48.

Key concepts: Pinus radiata, Radiata, Compression (physics), Specific gravity, Compression set, Materials science, Compressive strength, Porosity

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