Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Effect of Density and Mixing Ratio of Mandarin Peels on The Bending Performance of Sawdust-Mandarin Peels Particleboards

톱밥-귤박 파티클보드의 역학적 성능에 미치는 밀도와 귤박첨가율의 영향

  • Jin, Taiquan (Department of Housing Environmental Design, and Research institute of Human Ecology, College of Human Ecology, Chonbuk National University) ;
  • Kang, Chun-Won (Department of Housing Environmental Design, and Research institute of Human Ecology, College of Human Ecology, Chonbuk National University) ;
  • Oh, Seung-Won (Department of Wood Science and Technology, College of Agriculture & Life Sciences, Chonbuk National University) ;
  • Hwang, Jung-Woo (Department of Wood Science and Technology, College of Agriculture & Life Sciences, Chonbuk National University)
  • ;
  • 강춘원 (전북대학교 생활과학대학 주거환경학과, 인간생활과학연구소) ;
  • 오승원 (전북대학교 농업생명과학대학 목재응용학과) ;
  • 황정우 (전북대학교 농업생명과학대학 목재응용학과)
  • Received : 2014.11.27
  • Accepted : 2015.01.20
  • Published : 2015.05.25
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Abstract

This study was carried out to estimate the effects of density and mixing ratio of mandarin peels on the bending performances of the sawdust-mandarin peels particle boards. The board density influenced significantly to the bending performance of boards. Dynamic modulus of elasticity (dMOE) and static modulus of elasticity (sMOE) and modulus of rupture (MOR) of particle boards decreased with an increase in the mixing ratio of mandarin peels at the board densities of $0.4g/cm^3$ and $0.5g/cm^3$. High correlations were found between the dMOE and sMOE, and dMOE and MOR of particle boards prepared. Therefore, it was concluded that the dMOE obtained by free vibration test using resonance frequency could be used for predicting the sMOE and MOR of sawdust-mandarin peels particle boards.

본 연구는 밀도와 귤박첨가율이 다른 톱밥-귤박 파티클보드의 동적 정적탄성계수와 휨강도를 측정, 비교하여 밀도와 귤박의 첨가율이 파티클보드의 역학적 성능에 주는 영향과 동적탄성계수와 정적 휨강도 성능사이의 관계를 조사하였다. 톱밥-귤박 파티클보드의 밀도가 0.4에서 $0.6g/cm^3$로 증가할수록 휨성능은 증가하여, 밀도가 휨성능에 크게 영향하였으며, 밀도 $0.4g/cm^3$와 $0.5g/cm^3$의 톱밥-귤박 파티클보드에서 귤박의 첨가량이 증가할수록 휨성능은 감소하는 경향을 나타내었다. 톱밥-귤박 파티클보드의 동적탄성계수, 정적탄성계수 그리고 휨강도 사이에 높은 상관관계가 확인되었으며 양단 자유 휨진동시험에 의한 동적탄성계수로부터 비파괴적으로 정적 휨강도 성능의 예측이 가능할 것으로 사료되었다.

Keywords

References

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