Elastic constants of zirconia single crystals determined by X-ray measurements for polycrystals

M. Hayakawa, H. Miyauchi, A. Ikegami, M. Nishida

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A previously developed method for determining elastic constants of single crystals from polycrystalline specimens was applied to cubic and tetragonal zirconia. The method is based on the orientation dependence of the lattice strain of a stressed specimen as measured by X-ray diffraction and also on Kröner's equation relating the elastic constants of polycrystals to those of a single crystal. A simple loading device for a disc-shaped specimen was developed using a Ti-Ni shape memory alloy. The resulting elastic constants, C11, C12, and C44 for cubic zirconia were in fair agreement with those measured directly on a single crystal. The same method was applied to tetragonal zirconia after verifying that the elasticity of this material may be well approximated by cubic symmetry. Error analysis and suggestions for an improved measurement are also included.

Original languageEnglish
Pages (from-to)268-274
Number of pages7
JournalMaterials Transactions, JIM
Volume39
Issue number2
DOIs
Publication statusPublished - Feb 1998

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Polycrystals
Elastic constants
polycrystals
zirconium oxides
Zirconia
elastic properties
Single crystals
X rays
single crystals
x rays
Shape memory effect
Error analysis
Elasticity
error analysis
shape memory alloys
suggestion
X ray diffraction
zirconium oxide
symmetry
diffraction

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Elastic constants of zirconia single crystals determined by X-ray measurements for polycrystals. / Hayakawa, M.; Miyauchi, H.; Ikegami, A.; Nishida, M.

In: Materials Transactions, JIM, Vol. 39, No. 2, 02.1998, p. 268-274.

Research output: Contribution to journalArticle

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