Evaluations of Mechanical Properties of Electrodeposited Nickel Film by Using Micro-Testing Method

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  • Nagoshi Takashi
    Advanced Manufacturing Research Institute, National Institute of Advanced Industrial, Science and Technology Institute of Innovative Research, Tokyo Institute of Technology
  • Chang Tso-Fu Mark
    Institute of Innovative Research, Tokyo Institute of Technology
  • Sone Masato
    Institute of Innovative Research, Tokyo Institute of Technology

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<p>Compression and tensile testing of electrodeposited nickel films with micro-sized specimens were reviewed. Preparation of micro-specimens without the tapering was realized by the micro-specimen fabrication method developed in our group. Accurate micro-testing method with precisely-shaped specimens is needed to reveal micro-mechanical properties of electrodeposited metals. The micro-testing on nanocrystalline nickel plated by an electrodeposition method with supercritical carbon dioxide showed remarkably high strength, and the strength increased with a decrease in the specimen size. The results indicated grain boundary mediated deformation of the electrodeposited nanocrystalline nickel.</p><p> </p><p>This Paper was Originally Published in Japanese in J. Japan Inst. Met. Mater. 80 (2016) 7–12.</p>

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 57 (12), 1979-1984, 2016

    The Japan Institute of Metals and Materials

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