Metals and materials international

The Korean Institute of Metals and Materials (대한금속재료학회)
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Properties and Rapid Consolidation of Nanostructured NiTi by Pulsed Current Activated Sintering

  • Kim, Won-Baek (Minerals and Materials Processing Division, Korea Institute of Geoscience, Mining and Materials Resources) ;
  • Kim, Na-Ri (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Ko, In-Yong (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) ;
  • Park, Je-Shin (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University) ;
  • Shon, In-Jin (Division of Advanced Materials Engineering, the Research Center of Advanced Materials Development, Chonbuk National University)
  • Published : 2011.04.20
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Abstract

Highly dense nanostructured TiNi with a relative density of up to 99 % was obtained within two minutes by pulsed current activated sintering under a pressure of 80 MPa. The advantage of this process is that it allows very quick densification to near theoretical density and prohibits grain growth in nano-structured materials. The microstructural and mechanical properties of the dense TiNi produced by PCAS were investigated.

Keywords

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