Effects of Hf on thermal and mechanical properties of Zr hydrides

Hiroaki Kimura, Ken Kurosaki, Hiroaki Muta, Yuji Ohishi, Kenji Konashi, Shinsuke Yamanaka

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The polycrystalline fine bulk samples of δ-phase Zr hydrides with various Hf contents were prepared and their thermal and mechanical properties were investigated. In the temperature range from room temperature to 973 K, the phase states were examined by high-temperature X-ray diffraction and thermogravimetry/differential thermal analyses. In the temperature range from room temperature to 673 K, the coefficient of linear thermal expansion, specific heat capacity, and thermal conductivity were evaluated. The Vickers hardness and sound velocity were measured at room temperature, and the elastic modulus was evaluated. The effects of Hf on the thermal and mechanical properties of Zr hydrides were studied.

Original languageEnglish
Pages (from-to)67-75
Number of pages9
JournalTransactions of the Atomic Energy Society of Japan
Volume12
Issue number1
DOIs
Publication statusPublished - 2013

Keywords

  • Hafnium
  • High-temperature stability
  • Mechanical properties
  • Thermal properties
  • Zirconium hydrides

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Safety, Risk, Reliability and Quality

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