Sintering Behavior of Fully Agglomerated Zirconia Compacts

Jian‐Lin ‐L Shi; Jian‐Hua ‐H Gao; Zu‐Xiang ‐X Lin; Tung‐Sheng ‐S Yen

doi:10.1111/j.1151-2916.1991.tb04333.x

Sintering Behavior of Fully Agglomerated Zirconia Compacts

Jian‐Lin ‐L Shi^*, Jian‐Hua ‐H Gao, Zu‐Xiang ‐X Lin, Tung‐Sheng ‐S Yen

^*Corresponding author for this work

CAS - Shanghai Institute of Ceramics

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Fully agglomerated superfine zirconia powders were prepared with the coprecipitation and spray‐drying method. The compaction of such powders shows no fragmentation of the agglomerates. The sintering behavior of the compacts was studied and two sintering stages were identified: densification within agglomerates at temperatures not higher than 1250°C and the removal of interagglomerate pores at temperatures above 1600°C. The interagglomerate pores are difficult to remove, and sintering between agglomerates even at 1600°C is still insignificant. Heating of the compacts at temperatures above 1600°C leads only to grain growth and the entrapping of pores in large grains.

Original language	English
Pages (from-to)	994-997
Number of pages	4
Journal	Journal of the American Ceramic Society
Volume	74
Issue number	5
DOIs	https://doi.org/10.1111/j.1151-2916.1991.tb04333.x
State	Published - May 1991
Externally published	Yes

Keywords

agglomerates
pores
sintering
temperature dependence
zirconia

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10.1111/j.1151-2916.1991.tb04333.x

Cite this

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title = "Sintering Behavior of Fully Agglomerated Zirconia Compacts",

abstract = "Fully agglomerated superfine zirconia powders were prepared with the coprecipitation and spray‐drying method. The compaction of such powders shows no fragmentation of the agglomerates. The sintering behavior of the compacts was studied and two sintering stages were identified: densification within agglomerates at temperatures not higher than 1250°C and the removal of interagglomerate pores at temperatures above 1600°C. The interagglomerate pores are difficult to remove, and sintering between agglomerates even at 1600°C is still insignificant. Heating of the compacts at temperatures above 1600°C leads only to grain growth and the entrapping of pores in large grains.",

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AU - Shi, Jian‐Lin ‐L

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AU - Yen, Tung‐Sheng ‐S

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N2 - Fully agglomerated superfine zirconia powders were prepared with the coprecipitation and spray‐drying method. The compaction of such powders shows no fragmentation of the agglomerates. The sintering behavior of the compacts was studied and two sintering stages were identified: densification within agglomerates at temperatures not higher than 1250°C and the removal of interagglomerate pores at temperatures above 1600°C. The interagglomerate pores are difficult to remove, and sintering between agglomerates even at 1600°C is still insignificant. Heating of the compacts at temperatures above 1600°C leads only to grain growth and the entrapping of pores in large grains.

AB - Fully agglomerated superfine zirconia powders were prepared with the coprecipitation and spray‐drying method. The compaction of such powders shows no fragmentation of the agglomerates. The sintering behavior of the compacts was studied and two sintering stages were identified: densification within agglomerates at temperatures not higher than 1250°C and the removal of interagglomerate pores at temperatures above 1600°C. The interagglomerate pores are difficult to remove, and sintering between agglomerates even at 1600°C is still insignificant. Heating of the compacts at temperatures above 1600°C leads only to grain growth and the entrapping of pores in large grains.

KW - agglomerates

KW - pores

KW - sintering

KW - temperature dependence

KW - zirconia

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M3 - 文章

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SN - 0002-7820

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JF - Journal of the American Ceramic Society

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Sintering Behavior of Fully Agglomerated Zirconia Compacts

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Keywords

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