Enhancement of Activation and Hydrogen Storage Kinetics of TiFe(Mn) Using High-Pressure Sliding (HPS) Process

  • Horita Zenji
    Graduate School of Engineering, Kyushu Institute of Technology Magnesium Research Center, Kumamoto University Synchrotron Light Application Center, Saga University
  • Tang Yongpeng
    Graduate School of Engineering, Kyushu Institute of Technology
  • Matsuo Motoaki
    School of Engineering, Kwansei Gakuin University
  • Edalati Kaveh
    WPI, International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University
  • Yumoto Manabu
    Technology Department, Nagano Forging Co., Ltd.
  • Takizawa Yoichi
    Technology Department, Nagano Forging Co., Ltd.

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Description

<p>A titanium–iron intermetallic with minor addition of manganese (TiFe0.7Mn0.3) was processed by severe plastic deformation through high-pressure sliding (HPS). A rectangular strip sample was embedded in stainless steel and strained under a pressure of 4 GPa at room temperature. The hydrogen storage kinetics and activation of the HPS-processed sample were significantly enhanced in comparison with the as-received ingot without the HPS processing.</p>

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 64 (8), 1920-1923, 2023-08-01

    The Japan Institute of Metals and Materials

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