Surface Modification of Aluminum by Nitrogen ion Implantation

질소이온주입에 의한 알루미늄의 표면개질특성

  • 강혁진 (서울대학교 기계항공공학부 대학원) ;
  • 안성훈 (서울대학교 기계항공공학부) ;
  • 이재상 (한국원자력연구소 양성자 가속기 사업단) ;
  • 이재형 (한국원자력연구소 양성자 가속기 사업단) ;
  • 김경균 ((주)에이빔)
  • Published : 2005.12.01


The research on surface modification technology has been advanced to improve the properties of engineering materials. ion implantation is a novel surface modification technology to enhance the mechanical, chemical and electrical properties of substrate's surface using accelerated ions. In this research, nitrogen ions were implanted into aluminum substrates which would be used for mold of rubber materials. The composition of nitrogen ion implanted aluminum alloy and nitrogen ion distribution profile were analyzed by Auger Electron Spectroscopy (AES). To analyze the modified surface, properties such as hardness, friction coefficient, wear resistance, contact angle, and surface roughness were measured. Hardness of ion implanted specimens was higher than that of untreated specimens. Friction coefficient was reduced, and wear resistance was improved. From the experimental results, it can be expected that ion implantation of nitrogen enhances the surface properties of aluminum mold.



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