Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A Study on the Improvement of Adhesive Strength of Between Metal and Polyethylene Materials

금속재와 폴리에틸렌 재료간의 접착강도 향상에 대한 연구

  • 이지훈 (경희대학교 대학원 기계공학과) ;
  • 김현주 (한국해양연구원 해양심층수연구센터) ;
  • 정동호 (한국해양연구원 해양심층수연구센터) ;
  • 이경엽 (경희대학교 테크노공학대학.산학협력기술원)
  • Published : 2007.12.01
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Abstract

Polyethylene is a typical hydrophobic material and it is difficult to bond the polyethylene material with metal material. Thus, it is important to modify the surface of polyethylene material to improve the bonding strength between the polyethylene and the metal materials. In this study, the surface modification of polyethylene material was investigated to improve the interfacial strength between the polyethylene and the steel materials. Polyethylene material was surface-modified in a plasma cleaner using an oxygen gas. Two cases of composites (surface-modified pelyethylene/steel composite and regular (as-received) pelyethylene/steel composite) were fabricated using a secondary bonding method. Shear and bending tests have been performed using the two cases of composites. The results showed that the contact angle did not change much as the modification time increased. However, the contact angle decreased from ${\sim}76^{\circ}\; to\;{\sim}41^{\circ}$ with the modification. The results also showed that the shear strength and the bending strength were improved about 3030 % and 7 %, respectively when the polyethylene was plasma-modified using an oxygen gas.

Keywords

References

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