Effects of grain size and ceria addition on ageing behaviour and tribological properties of Y-TZP ceramics

S.R. Jansen; A.J.A. Winnubst; Y.J. He; H. Verweij; P.G.Th. van der Varst; G. de With

doi:10.1016/S0955-2219(97)00153-2

Effects of grain size and ceria addition on ageing behaviour and tribological properties of Y-TZP ceramics

S.R. Jansen, A.J.A. Winnubst^*, Y.J. He, H. Verweij, P.G.Th. van der Varst, G. de With

^*Corresponding author for this work

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Abstract

The influence was investigated of ceria addition and the grain size on ageing and wear behaviour of Y-TZP ceramics. Two types of ceramics were studied: ZY5 (95 mole% ZrO2 and 5 mole% YO1·5) and ZY4Ce4 (92 mole% ZrO2, 4 mole% YO1·5, and 4 mole%CeO2). Each ceramic was sintered with grain sizes of 0·18 μm (95% dense) or 0·5 μm (98% dense). Only the ZY5 ceramic with a grain size of 0·5 μm showed degradation to monoclinic zirconia (= ageing) after a treatment in water at 180°C. This ceramic was also the only one in which a phase transformation was observed after wear tests in water for a pin (SiC) on plate test configuration. However, this transformation was found not to affect the wear rate. Wear mechanisms were investigated for testing in dry nitrogen and water environment.

Original language	English
Pages (from-to)	557-563
Number of pages	7
Journal	Journal of the European Ceramic Society
Volume	18
Issue number	5
DOIs	https://doi.org/10.1016/S0955-2219(97)00153-2
Publication status	Published - 1998

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title = "Effects of grain size and ceria addition on ageing behaviour and tribological properties of Y-TZP ceramics",

abstract = "The influence was investigated of ceria addition and the grain size on ageing and wear behaviour of Y-TZP ceramics. Two types of ceramics were studied: ZY5 (95 mole% ZrO2 and 5 mole% YO1·5) and ZY4Ce4 (92 mole% ZrO2, 4 mole% YO1·5, and 4 mole%CeO2). Each ceramic was sintered with grain sizes of 0·18 μm (95% dense) or 0·5 μm (98% dense). Only the ZY5 ceramic with a grain size of 0·5 μm showed degradation to monoclinic zirconia (= ageing) after a treatment in water at 180°C. This ceramic was also the only one in which a phase transformation was observed after wear tests in water for a pin (SiC) on plate test configuration. However, this transformation was found not to affect the wear rate. Wear mechanisms were investigated for testing in dry nitrogen and water environment.",

author = "S.R. Jansen and A.J.A. Winnubst and Y.J. He and H. Verweij and {van der Varst}, P.G.Th. and {de With}, G.",

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T1 - Effects of grain size and ceria addition on ageing behaviour and tribological properties of Y-TZP ceramics

AU - Jansen, S.R.

AU - Winnubst, A.J.A.

AU - He, Y.J.

AU - Verweij, H.

AU - van der Varst, P.G.Th.

AU - de With, G.

PY - 1998

Y1 - 1998

N2 - The influence was investigated of ceria addition and the grain size on ageing and wear behaviour of Y-TZP ceramics. Two types of ceramics were studied: ZY5 (95 mole% ZrO2 and 5 mole% YO1·5) and ZY4Ce4 (92 mole% ZrO2, 4 mole% YO1·5, and 4 mole%CeO2). Each ceramic was sintered with grain sizes of 0·18 μm (95% dense) or 0·5 μm (98% dense). Only the ZY5 ceramic with a grain size of 0·5 μm showed degradation to monoclinic zirconia (= ageing) after a treatment in water at 180°C. This ceramic was also the only one in which a phase transformation was observed after wear tests in water for a pin (SiC) on plate test configuration. However, this transformation was found not to affect the wear rate. Wear mechanisms were investigated for testing in dry nitrogen and water environment.

AB - The influence was investigated of ceria addition and the grain size on ageing and wear behaviour of Y-TZP ceramics. Two types of ceramics were studied: ZY5 (95 mole% ZrO2 and 5 mole% YO1·5) and ZY4Ce4 (92 mole% ZrO2, 4 mole% YO1·5, and 4 mole%CeO2). Each ceramic was sintered with grain sizes of 0·18 μm (95% dense) or 0·5 μm (98% dense). Only the ZY5 ceramic with a grain size of 0·5 μm showed degradation to monoclinic zirconia (= ageing) after a treatment in water at 180°C. This ceramic was also the only one in which a phase transformation was observed after wear tests in water for a pin (SiC) on plate test configuration. However, this transformation was found not to affect the wear rate. Wear mechanisms were investigated for testing in dry nitrogen and water environment.

U2 - 10.1016/S0955-2219(97)00153-2

DO - 10.1016/S0955-2219(97)00153-2

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VL - 18

SP - 557

EP - 563

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 5

ER -

Effects of grain size and ceria addition on ageing behaviour and tribological properties of Y-TZP ceramics

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