대한금속재료학회지 (Korean Journal of Metals and Materials)

  • 제47권8호
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  • Pages.508-515
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  • 2009
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  • 1738-8228(pISSN)
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  • 2288-8241(eISSN)
대한금속재료학회 (The Korean Institute of Metals and Materials)
권호 표지

통전가압활성소결에 의한 생체재료용 Ti-HA복합재료 제조 및 특성

Fabrication and Properties of Ti-HA Composites Produced by Pulsed Current Activated Sintering for Biomaterials

  • 우기도 (전북대학교 공과대학 신소재공학부, 공업기술연구센터) ;
  • 강덕수 (전북대학교 공과대학 신소재공학부, 공업기술연구센터) ;
  • 권의표 (전북대학교 공과대학 신소재공학부, 공업기술연구센터) ;
  • 문민석 (전북대학교 수소연료전지 특성화 대학원) ;
  • 손인진 (전북대학교 공과대학 신소재공학부, 공업기술연구센터) ;
  • Woo, Kee Do (Division of Advanced Materials Engineering & Research Center of Industrial Technology, Chonbuk National University) ;
  • Kang, Duck Soo (Division of Advanced Materials Engineering & Research Center of Industrial Technology, Chonbuk National University) ;
  • Kwon, Eui Pyo (Division of Advanced Materials Engineering & Research Center of Industrial Technology, Chonbuk National University) ;
  • Moon, Min Seok (Department of Hydrogen and Fuel Cells Engineering, Specialized Graduate School, Chonbuk National University) ;
  • Shon, In Jin (Division of Advanced Materials Engineering & Research Center of Industrial Technology, Chonbuk National University) ;
  • Liu, Zhiguang (School of Materials Science and Engineering, Harbin Institute of Technology)
  • 투고 : 2009.04.28
  • 발행 : 2009.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

Ti-6Al-4V biomaterial is widely used as a bone alternative. However, Ti-6Al-4V ELI alloy suffers from numerous problems such as a high elastic modulus and high toxicity. Therefore, non-toxic biomaterials with low elastic moduli need to be developed. Ti-HA(hydroxyapatite) composites were fabricated in the present work by pulsed current activated sintering (PCAS) at $1000^{\circ}C$ under 60 MPa using mixed Ti and HA powders. The effects of HA content on the physical and mechanical properties of the sintered Ti-HA composites have been investigated. X-ray diffraction(XRD) analysis of the Ti-HA composites, including Ti-40 wt%HA in particular, revealed new phases, $Ti_{2}O$, CaO, $CaTiO_3$, and TixPy, formed by chemical reactions between Ti and HA during sintering. The hardness of the Ti-HA composites decreased with an increase in HA content. The corrosion resistance of these composites was observed to be an excellent candidate as a commercial Ti-6Al-4 V ELI alloy. A Ti-5 wt%HA composite fabricated by PCAS is recommended as a new biomaterial, because it offers good corrosion resistance, compressive strength, wear resistance, and biocompatibility, and a low Young's modulus.

키워드

과제정보

연구 과제 주관 기관 : 전북대학교, 하얼빈공업대학교

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