Mechanical Behavior of Ti<SUB>3</SUB>AlC<SUB>2</SUB> Prepared by Pulse Discharge Sintering Method

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  • Zou Yong
    Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST) Institute of Thermal Science and Technology, Shandong University
  • Sun ZhengMing
    Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)
  • Hashimoto Hitoshi
    Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)
  • Tada Shuji
    Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)

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  • Mechanical behavior of Ti3AlC2 prepared by pulse discharge sintering method

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Abstract

Almost single-phase ternary compound Ti3AlC2 was successfully synthesized by pulse discharge sintering (PDS) from Ti/Al/TiC powder mixtures with molar ratio of 2:2:3. The typical microstructure of Ti3AlC2 was found to consist of plate-like grains with mean size of 9.5 μm in length. Four-point bending testing results revealed that the fracture behavior is brittle below 1200°C, and some characteristics of plastic deformation were observed at higher testing temperatures. The polycrystalline Ti3AlC2 synthesized by PDS technique shows good strength at high temperatures.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 48 (9), 2432-2435, 2007

    The Japan Institute of Metals and Materials

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