Agglomerate and particle size effects on sintering yttria-stabilized zirconia
Abstract
The initial‐, intermediate‐, and final‐stage sintering of fine crystallite yttria‐stabilized zirconia was studied. Experiments were conducted on powder lots of differing agglomerate size and one specially prepared agglomerate‐free powder. Initial‐stage sintering kinetics were compared with a sintering study on larger crystallite size calcia‐stabilized zirconia to access the Herring scaling law. It was found that agglomerates limit attainable green density, interfere with the development of microstructure, impede initial‐stage sintering kinetics, and limit the potential benefit of fine crystallites on final‐stage sintering. An gglomerate free powder centrifuge‐cast to 74% green density was sintered to 99.5% of theoretical density in a 1 h 1100°C cycle, which is ∼300°C lower than necessary for an agglomerated but equal crystallite size powder.
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These enhanced mechanical properties can be attributed to the regolith's particle size reduction.
“These enhanced mechanical properties can be attributed to the regolith's particle size reduction.”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [286]
Particle size reduction facilitates particle movement during sintering and enhances density by minimizing pores.
“This reduction facilitates particle movement during sintering and enhances density by minimizing pores [286].”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [286]
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A comprehensive review of lunar-based manufacturing and construction
Azami, M., Kazemi, Z., Moazen, S., Dubé, M., Potvin, M.-J., & Skonieczny, K. (2024) · Progress in Aerospace Sciences · doi:10.1016/j.paerosci.2024.101045 · Cited by 57 · see citing works
- Authors
- RHODES, W. H.
- Affiliations
- American Ceramic Society (US)
- Corresponding author
- RHODES, W. H.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 1981-01
- Volume
- 64
- Issue
- 1
- Pages
- 19-22
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W2096346667
- Cited by
- 530
- References
- 12
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 12 · 2023: 12 · 2022: 10 · 2021: 2 · 2020: 11 · 2019: 11 · 2018: 11 · 2017: 9 · 2016: 11 · 2015: 10 · 2014: 20 · 2013: 10 · 2012: 19
- FWCI
- 18.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Ceramic Society (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Ceramics and Composites › Advanced ceramic materials synthesis
- Physical Sciences › Materials Science › Materials Chemistry › Advancements in Solid Oxide Fuel Cells
- Physical Sciences › Engineering › Mechanical Engineering › Powder Metallurgy Techniques and Materials
- Keywords
- yttria-stabilized zirconia, sintering kinetics, agglomerate size, particle size, crystallite size, green density, microstructure formation, calcia-stabilized zirconia
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