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Dilatometric behavior of martensitic transformation of NdNbO4 polycrystals

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Abstract

NdNbO4 is a thermoelastic martensite compound. Dilatation of NdNbO4 polycrystals has not been achieved. Thermal expansion of the NdNbO4 polycrystal was measured with a differential dilatometer at various heating rates and applied loads. Transformation temperatures changed at 10 and 20 °C/min according to the uniaxial compression. This change is characteristic of thermoelastic martensitic transformation. The transformation was not altered at 5 °C/min. The polycrystal was deformed elastically and broken by the uniaxial compression.

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Authors and Affiliations

  1. Institute for Materials Research, Tohoku University, 2-1-1 Katahira Aoba-ku, Sendai, 980-8577, Japan

    M. Omori

  2. Institute for Materials Research, Tohoku University, 2-1-1 Katahira Aoba-ku, Sendai, 980-8577, Japan

    Y. Kobayashi & T. Hirai

Authors
  1. M. Omori
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  2. Y. Kobayashi
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  3. T. Hirai
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Omori, M., Kobayashi, Y. & Hirai, T. Dilatometric behavior of martensitic transformation of NdNbO4 polycrystals. Journal of Materials Science 35, 719–721 (2000). https://doi.org/10.1023/A:1004761418633

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  • DOI: https://doi.org/10.1023/A:1004761418633

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