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에너지 구조재 적용을 위한 알루미늄/섬유강화 복합재의 표면처리
이경엽(K. Y. Rhee),강용태(Y. T. Kang),양준호(J. H. Yang) 한국표면공학회 2001 한국표면공학회지 Vol.34 No.1
In this work, the surface treatment of aluminum/composites (graphite-epoxy composites) was investigated. The surface of composites was treated by Ar? ion beam under oxygen environment. The surface of aluminum was treated by DC plasma. The optimal condition of surface treatment for the composites was determined by measuring the contact angle as a function of ion dose. The optimal treament condition of the aluminum was determined by measuring the contact angle and T-peel strength as a function of mixture ratio of acetylene gas to nitrogen gas. The mixture ratios used were 1:9, 3:7, 5:5, 7:3, and 9:1 The results showed that the contact angle of composites decreased from 81° to 8° as the ion dose increased from zero to 1×10¹? ion/㎠. The optimal condition of ion dose was 1×10¹?ions/㎠. The results also showed that the contact angle of aluminum was a minimum for the mixture ratio of 5:5. Similarly, the T-peel strength was a maximum for the mixture ratio of 5:5, which indicates that the optimal condition of mixture ratio of acetylene gas to nitrogen gas is 5:5.