Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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Fabrication and Characteristics of Ti-Nb-Mo-CPP Composite Fabricated by High Energy Mechanical Milling and Spark Plasma Sintering

고에너지밀링과 스파크플라즈마소결을 이용한 Ti-Nb-Mo-CPP 생체복합재료의 제조 및 특성

  • Park, Sang-Hoon (Division of Advanced Materials Engineering & RCAMD) ;
  • Woo, Kee-Do (Division of Advanced Materials Engineering & RCAMD) ;
  • Kim, Ji-Young (Division of Advanced Materials Engineering & RCAMD) ;
  • Kim, Sang-Mi (Division of Advanced Materials Engineering & RCAMD)
  • 박상훈 (전북대학교 공과대학 신소재공학부, 신소재개발연구 센터) ;
  • 우기도 (전북대학교 공과대학 신소재공학부, 신소재개발연구 센터) ;
  • 김지영 (전북대학교 공과대학 신소재공학부, 신소재개발연구 센터) ;
  • 김상미 (전북대학교 공과대학 신소재공학부, 신소재개발연구 센터)
  • Received : 2012.01.10
  • Published : 2012.06.25
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Abstract

A high-energy mechanical milling (HEMM) process was introduced to improve sinter-ability, and rapid sintering of spark plasma sintering (SPS) under pressure was used to make ultra fine grain (UFG) of Ti-Nb-Mo-CPP composites, which have bio-attractive elements, for increasing mechanical properties. Ti-Nb-Mo-CPP composites were successfully fabricated by SPS at $1000^{\circ}C$ within 5 minutes under 70 MPa using HEMMed powders. The Vickers hardness of the composites increased with increased milling time and addition of CPP contents. Biocompatibility and corrosion resistance of the Ti-Nb-Mo alloys were improved by addition of CPP, and the Ti-35%Nb-10%Mo-10%CPP alloy had better biocompatibility and corrosion resistance than the Ti-6Al-4V ELI alloy.

Keywords

Acknowledgement

Supported by : 한국연구재단

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