한국분말재료학회지 (Journal of Powder Materials)

  • 제20권4호
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  • Pages.285-290
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  • 2013
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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전도성을 가지는 하이브리드 Ti2AlN 세라믹 복합체의 마이크로 방전드릴링에서 가공성 평가

Machinability Evaluation of Hybrid Ti2 Ceramic Composites with Conductivity in Micro Electrical Discharge Drilling Operation

  • 허재영 (부산대학교 하이브리드소재 솔루션 국가핵심연구센터(융합대학원)) ;
  • 정영근 (부산대학교 하이브리드소재 솔루션 국가핵심연구센터(융합대학원)) ;
  • 강명창 (부산대학교 하이브리드소재 솔루션 국가핵심연구센터(융합대학원)) ;
  • Heo, Jae-Young (National Core Research Center for Hybrid Materials Solution, Pusan National University) ;
  • Jeong, Young-Keun (National Core Research Center for Hybrid Materials Solution, Pusan National University) ;
  • Kang, Myung-Chang (National Core Research Center for Hybrid Materials Solution, Pusan National University) ;
  • Busnaina, Ahmed (Department of Mechanical and Industrial Engineering, Northeastern University)
  • 투고 : 2013.08.20
  • 심사 : 2013.08.23
  • 발행 : 2013.08.28
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초록

$Ti_2AlN$ composites are a laminated compounds that posses unique combination of typical ceramic properties and typical metallic(Ti alloy) properties. In this paper, the powder synthesis, SPS sintering, composite characteristics and machinability evaluation were systematically conducted. The random orientation characteristics and good crystallization of the $Ti_2AlN$ phase are observed. The electrical and thermal conductivity of $Ti_2AlN$ is higher than that of Ti6242 alloy. A machining test was carried out to compare the effect of material properties on micro electrical discharge drilling for $Ti_2AlN$ composite and Ti6242 alloy. Also, mixture table as a kind of tables of orthogonal arrays was used to know how parameter is main effective at experimental design. Consequently, hybrid $Ti_2AlN$ ceramic composites showed good machining time and electrode wear shape under micro ED-drilling process. This conclusion proves the feasibility in the industrial applications.

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피인용 문헌

  1. Analysis Of Drilling Of A Metal Plate With Pilot Hole vol.60, pp.2, 2015, https://doi.org/10.1515/amm-2015-0119