Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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Mechanical Properties and Consolidation of Nanostructured NiTi Alloy by Rapid Sintering

급속소결에 의한 나노구조 NiTi 합금의 제조 및 기계적 특성

  • Kim, Na-Ri (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Ko, In-Yoong (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Cho, Sung-Wook (Minerals and Materials Processing Division, Korea Institute of Geoscience, Mining and Materials Resources) ;
  • Kim, Wonbaek (Minerals and Materials Processing Division, Korea Institute of Geoscience, Mining and Materials Resources) ;
  • Shon, In-Jin (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
  • 김나리 (전북대학교 신소재공학부 신소재개발 연구센터) ;
  • 고인용 (전북대학교 신소재공학부 신소재개발 연구센터) ;
  • 조성욱 (한국지질자원 연구원) ;
  • 김원백 (한국지질자원 연구원) ;
  • 손인진 (전북대학교 신소재공학부 신소재개발 연구센터)
  • Received : 2010.03.23
  • Published : 2010.09.22
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Abstract

NiTi powders were synthesized during high energy ball milling for 10 h. Highly dense nanostructured NiTi with a relative density of up to 99% was obtained within 1 minute by high frequency induction heated sintering under a pressure of 80 MPa. The grain size, microstructure, and mechanical properties of NiTi were investigated. The grain size and hardness of TiNi are about 122 nm and $590kg/mm^2$, respectively.

Keywords

Acknowledgement

Grant : 전략금속 산업원료화 기술개발

Supported by : 한국지질자원연구원

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