Microstructure Development During Sintering of Ultra Fine Grained Y-TZP

Theunissen, G.S.A.M.; Winnubst, Aloysius J.A.; Zevert, W.F.M. Groot; Burggraaf, A.J.

doi:10.1007/978-94-009-1139-0_30

Cited by 4 publications

(1 citation statement)

References 9 publications

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“…Powders were compacted into small discs by uniaxial pressing at 70 MPa and cold isostatic pressing (CIP) at 200 MPa. Compacts were pressureless sintered at 1500 • C for 1, 2 and 4 h following a sintering cycle optimized for this kind of powder as described in the literature [11].…”

Section: Methodsmentioning

confidence: 99%

Correlation between surface nanotopography and sintering behaviour of zirconia powders

Ferroni¹,

Cerrato²

1999

Nanotechnology

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The influence of surface nanotopography of ceramic powders on their sintering behaviour was studied. ZrO2-3 mol% Y2O3 powders were prepared by sol-gel techniques and calcined at different temperature in order to obtain powders showing different nanostructural properties. After compaction and sintering, strong differences in microstructure and mechanical properties were found in the sintered bodies. In order to correlate the powders' different sintering behaviour to their nanostructural properties, HRTEM and FTIR analyses were carried out. It is suggested that the temperature of calcination strongly influences the distribution of surface crystallographic configurations (i.e. surface nanotopography) which, in turn, have a predominant role in the microstructural development during sintering.

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Section: Methodsmentioning

confidence: 99%

Correlation between surface nanotopography and sintering behaviour of zirconia powders

Ferroni¹,

Cerrato²

1999

Nanotechnology

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Physicochemical properties of the partially stabilized zirconium dioxide powder produced at the Chepetsk Mechanical-Engineering Plant

Chusovitina¹,

Komolikov²,

Cheremnykh³

1993

Refractories

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Influence of Calcination Temperature on the Microstructure and Mechanical Properties of a Gel‐Derived and Sintered 3 mol% Y‐TZP Material

Montanaro

Ferroni

Pagliolico

et al. 1996

Journal of the American Ceramic Society

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A pure coprecipitated 3 mol% Y‐TZP powder was subjected to two calcination temperatures, 600° and 1000°C, prior to compaction and sintering. Significant differences in the initial sintering behavior were observed. The lower temperature calcined powder exhibited abnormal grain growth. The resultant mechanical properties mirrored the microstructure with the lower temperature calcined material having lower flexural strength. Hardness measurements of the two sintered bodies revealed significant differences in the two phases of the lower temperature calcined material. Differences in reactivity of the two powders after calcination are suggested as the basis for the difference in microstructure and resultant mechanical properties.

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Microstructure Development During Sintering of Ultra Fine Grained Y-TZP

Cited by 4 publications

References 9 publications

Correlation between surface nanotopography and sintering behaviour of zirconia powders

Correlation between surface nanotopography and sintering behaviour of zirconia powders

Physicochemical properties of the partially stabilized zirconium dioxide powder produced at the Chepetsk Mechanical-Engineering Plant

Influence of Calcination Temperature on the Microstructure and Mechanical Properties of a Gel‐Derived and Sintered 3 mol% Y‐TZP Material

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