Deformation of perovskite electronic ceramics - a review.
Journal Article
·
· Solid State Ionics
Steady-state deformation of several important electronic ceramics, all having a perovskite structure, is reviewed and discussed in terms of their common prominent features. Of particular importance are the ferroelectric BaTiO{sub 3}, a leading candidate for electrodes in solid-oxide fuel cells, (La{sub 1-y}Sr{sub y}){sub 1-x}MnO{sub 3-{delta}} and the high-temperature superconductor YBa{sub 2}Cu{sub 3}O{sub x}. In all cases, deformation occurs by grain-boundary sliding accommodated by diffusion. Cations are the rate-controlling species and their diffusivities can be calculated and compared to existing tracer diffusion data. In some cases, the tracer diffusion coefficients have not been measured, but measurements of steady-state creep can provide these values.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942582
- Report Number(s):
- ANL/ET/JA-32756
- Journal Information:
- Solid State Ionics, Journal Name: Solid State Ionics Journal Issue: 1-4 ; Apr. 2000 Vol. 129; ISSN 0167-2738; ISSN SSIOD3
- Country of Publication:
- United States
- Language:
- ENGLISH
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