Effect of heating mode on sinterability of YSZ+CeO2 ceramics

A. Raja Annamalai; Nidhi Nagaraju; Dinesh K. Agrawal; A. Muthuchamy

doi:10.3390/met8030189

Effect of heating mode on sinterability of YSZ+CeO₂ ceramics

A. Raja Annamalai, Nidhi Nagaraju, Dinesh K. Agrawal, A. Muthuchamy

Materials Research Institute (MRI)

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

11 Scopus citations

Abstract

In the current research work, a comparative study on densification and microstructural evolution of CeO₂ particle reinforced 8 mol % yttria stabilized zirconia (YSZ) sintered ceramics has been carried out. The ceramic compacts were fabricated via microwave and conventional sintering methods. The sintering conditions that were used for microwave and conventional methods are 1400^◦C for 20 min and 1400^◦C for 5 h, respectively. The sintered samples were characterized for densification, microstructural behavior, and hardness. Microwave sintering method of sintering resulted in high sintered densities as compared to the conventional counter parts. Microwave sintered samples exhibited finer grains as compared to conventionally sintered specimens. The grain size of the 8YSZ+CeO₂ sintered ceramics was found to decrease with CeO₂ addition. The X-ray diffraction (XRD) results showed no phase change because of CeO₂ addition. The Vickers hardness was found to increase with increasing amount of CeO₂.

Original language	English (US)
Article number	189
Journal	Metals
Volume	8
Issue number	3
DOIs	https://doi.org/10.3390/met8030189
State	Published - Mar 16 2018

All Science Journal Classification (ASJC) codes

General Materials Science
Metals and Alloys

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title = "Effect of heating mode on sinterability of YSZ+CeO2 ceramics",

abstract = "In the current research work, a comparative study on densification and microstructural evolution of CeO2 particle reinforced 8 mol % yttria stabilized zirconia (YSZ) sintered ceramics has been carried out. The ceramic compacts were fabricated via microwave and conventional sintering methods. The sintering conditions that were used for microwave and conventional methods are 1400◦C for 20 min and 1400◦C for 5 h, respectively. The sintered samples were characterized for densification, microstructural behavior, and hardness. Microwave sintering method of sintering resulted in high sintered densities as compared to the conventional counter parts. Microwave sintered samples exhibited finer grains as compared to conventionally sintered specimens. The grain size of the 8YSZ+CeO2 sintered ceramics was found to decrease with CeO2 addition. The X-ray diffraction (XRD) results showed no phase change because of CeO2 addition. The Vickers hardness was found to increase with increasing amount of CeO2.",

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AU - Raja Annamalai, A.

AU - Nagaraju, Nidhi

AU - Agrawal, Dinesh K.

AU - Muthuchamy, A.

PY - 2018/3/16

Y1 - 2018/3/16

N2 - In the current research work, a comparative study on densification and microstructural evolution of CeO2 particle reinforced 8 mol % yttria stabilized zirconia (YSZ) sintered ceramics has been carried out. The ceramic compacts were fabricated via microwave and conventional sintering methods. The sintering conditions that were used for microwave and conventional methods are 1400◦C for 20 min and 1400◦C for 5 h, respectively. The sintered samples were characterized for densification, microstructural behavior, and hardness. Microwave sintering method of sintering resulted in high sintered densities as compared to the conventional counter parts. Microwave sintered samples exhibited finer grains as compared to conventionally sintered specimens. The grain size of the 8YSZ+CeO2 sintered ceramics was found to decrease with CeO2 addition. The X-ray diffraction (XRD) results showed no phase change because of CeO2 addition. The Vickers hardness was found to increase with increasing amount of CeO2.

AB - In the current research work, a comparative study on densification and microstructural evolution of CeO2 particle reinforced 8 mol % yttria stabilized zirconia (YSZ) sintered ceramics has been carried out. The ceramic compacts were fabricated via microwave and conventional sintering methods. The sintering conditions that were used for microwave and conventional methods are 1400◦C for 20 min and 1400◦C for 5 h, respectively. The sintered samples were characterized for densification, microstructural behavior, and hardness. Microwave sintering method of sintering resulted in high sintered densities as compared to the conventional counter parts. Microwave sintered samples exhibited finer grains as compared to conventionally sintered specimens. The grain size of the 8YSZ+CeO2 sintered ceramics was found to decrease with CeO2 addition. The X-ray diffraction (XRD) results showed no phase change because of CeO2 addition. The Vickers hardness was found to increase with increasing amount of CeO2.

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Effect of heating mode on sinterability of YSZ+CeO₂ ceramics

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