Original Article
  • A Study on Improvement of Thermal and Adhesion Properties of Stone/Wood Composites for Stone Bed using CNT-epoxy Adhesive
  • Jong-Hyun Kim*, Pyeong-Su Shin*, Dong-Jun Kwon**, Sun-Ok Moon***, Joung-Man Park*†
  • * Department of Materials Engineering and Convergence Technology, Center for Creative Human Resource & Convergence Materials, Engineering Research Institute, Gyeongsang National University; *† Department of Materials Engineering and Convergence Technology, Engineering Research Institute, Gyeongsang National University; ** Department of Materials Engineering and Convergence Technology, Engineering Research Institute, Gyeongsang National University; *** Major of Environmental Materials Science, Institute of Agriculture and Life Science Gyeongsang National University
  • CNT/Epoxy 접착제를 이용한 돌침대용 석재/목재 복합재의 열적특성 및 접착특성 개선 연구
  • 김종현* · 신평수* · 권동준** · 문선옥*** · 박동만*†
Abstract
Improvement of the thermal and adhesion properties of stone/wood composites was studied. Tensile test was performed for wood and stone to know the basic mechanical properties. Real-time temperature of stone and wood was measured when stone and wood was heated. To compare thermal transfer properties of stone/wood composites, two types of specimens were tested: one was stone upper whereas another was wood upper. Real time temperature measurement and lap shear test were performed to know thermal and adhesion properties by using CNTepoxy adhesive in which CNT was dispersed in epoxy adhesive uniformly. The thermal transfer property was better for the wood upper case than stone upper case. Adding CNT improved the heat transfer as well as mechanical properties including lap shear strength.

본 연구에서는 돌침대용 석재/목재 복합재의 열적특성 및 접착특성 개선에 대한 연구를 진행하였다. 기초 물성을 체크하기 위해 인장실험을 진행하였고 석재 및 목재의 실시간 온도측정을 진행하였다. 석재/목재 복합재의 가열부위에 따른 열적 특성을 알아보기 위해 석재를 위로 두었을 때와 목재를 위로 두었을 때 두 가지 방법으로 가열을 실시하였다. 에폭시 접착제에 CNT를 넣음으로써, 열적 및 접착특성의 변화를 알아보기 위하여 실시간 온도측정과 랩 전단 실험을 실시하였다. 실험결과 목재를 위로 두었을 때 열적 특성이 좋은 것을 확인하였고 에폭시 접착제에 CNT를 넣음으로써 접착특성 및 열적특성이 개선됨을 볼 수 있었다.

Keywords: CNT, Thermal properties, Adhesion properties, Stone/wood composites

Keywords: 탄소나노튜브, 열적 특성, 접착 특성, 석재/목재 복합재

This Article

  • 2016; 29(5): 276-281

    Published on Oct 31, 2016

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