Elastic constants of zirconia/stainless steel sintered composite materials measured by a line-focus-beam acoustic microscope

Tsuyoshi Mihara, Shinji Asano, Mitsuo Obata, Ryuzo Watanabe, Akira Kawasaki

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The elastic constants of the sintered composites of zirconia/stainless steel were measured by a LFR acoustic microscope as a function of volume mixing ratio. Specimens from various fabrication routes were used to see the applicability of the LFB acoustic microscope to the composites having specific sintered microstructures. It has been shown that the present method enables us to measure the local elastic constants, such as Young's modulus and Poisson's ratio, of the sintered metal/ceramic composites with sufficient accuracy. It has also been emphasized that the LFB acoustic microscope would be one of the most viable methods to evaluate the elastic constant distribution of the recently developed functionally gradient materials, which have definite compositional gradients and the pertaining microstructural transitions.

Original languageEnglish
Pages (from-to)321-326
Number of pages6
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume56
Issue number3
DOIs
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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