Spark plasma sintering of transparent Y2O3 ceramic using hydrothermal synthesized nanopowders

M. Ghaderi; R. Shoja Razavi; M. R. Loghman-Estarki; S. Ghorbani

doi:10.1016/j.ceramint.2016.06.022

Spark plasma sintering of transparent Y₂O₃ ceramic using hydrothermal synthesized nanopowders

M. Ghaderi, R. Shoja Razavi, M. R. Loghman-Estarki, S. Ghorbani

Research output: Journal Publication › Article › peer-review

29 Citations (Scopus)

Abstract

Y₂O₃ nanopowders were synthesized by the hydrothermal treatment of Y(NO₃)₃·6H₂O and citric acid (CA) as Y⁺³ and the capping agent, respectively. The effect of different CA:Y⁺³ mol ratios, heat treatment time, and calcination temperature was investigated in order to determine their influence on the morphology, particle size and phase of Y₂O₃ nanopowders. The narrow size distribution of particles was obtained with CA:Y⁺³ mol ratio=1.6, heat treatment time of 6 h, and a calcination temperature at 900 °C for 90 min. Then, the synthesized Y₂O₃ nanopowder was consolidated by the spark plasma sintering technique at 1500 °C with a heating rate of 100 °C/min and held for 8 min before turning off the power. As a result, the ceramic prepared with 3 mm thickness got the highest transmission of 80% at 2.5–6 µm wavelength. The highest density and the grain size of yttria ceramic were 99.58% and 1–1.2 µm at 1500 °C, respectively.

Original language	English
Pages (from-to)	14403-14410
Number of pages	8
Journal	Ceramics International
Volume	42
Issue number	13
DOIs	https://doi.org/10.1016/j.ceramint.2016.06.022
Publication status	Published - Oct 2016
Externally published	Yes

Keywords

Citric acid
Hydrothermal
Spark plasma sintering
Transparent ceramic
YO nanopowders

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

10.1016/j.ceramint.2016.06.022

Cite this

@article{4e9345de0a7b47fb9e186dd3132d0551,

title = "Spark plasma sintering of transparent Y2O3 ceramic using hydrothermal synthesized nanopowders",

abstract = "Y2O3 nanopowders were synthesized by the hydrothermal treatment of Y(NO3)3·6H2O and citric acid (CA) as Y+3 and the capping agent, respectively. The effect of different CA:Y+3 mol ratios, heat treatment time, and calcination temperature was investigated in order to determine their influence on the morphology, particle size and phase of Y2O3 nanopowders. The narrow size distribution of particles was obtained with CA:Y+3 mol ratio=1.6, heat treatment time of 6 h, and a calcination temperature at 900 °C for 90 min. Then, the synthesized Y2O3 nanopowder was consolidated by the spark plasma sintering technique at 1500 °C with a heating rate of 100 °C/min and held for 8 min before turning off the power. As a result, the ceramic prepared with 3 mm thickness got the highest transmission of 80\% at 2.5–6 µm wavelength. The highest density and the grain size of yttria ceramic were 99.58\% and 1–1.2 µm at 1500 °C, respectively.",

keywords = "Citric acid, Hydrothermal, Spark plasma sintering, Transparent ceramic, YO nanopowders",

author = "M. Ghaderi and \{Shoja Razavi\}, R. and Loghman-Estarki, \{M. R.\} and S. Ghorbani",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd and Techna Group S.r.l.",

year = "2016",

month = oct,

doi = "10.1016/j.ceramint.2016.06.022",

language = "English",

volume = "42",

pages = "14403--14410",

journal = "Ceramics International",

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publisher = "Elsevier Ltd.",

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TY - JOUR

T1 - Spark plasma sintering of transparent Y2O3 ceramic using hydrothermal synthesized nanopowders

AU - Ghaderi, M.

AU - Shoja Razavi, R.

AU - Loghman-Estarki, M. R.

AU - Ghorbani, S.

PY - 2016/10

Y1 - 2016/10

N2 - Y2O3 nanopowders were synthesized by the hydrothermal treatment of Y(NO3)3·6H2O and citric acid (CA) as Y+3 and the capping agent, respectively. The effect of different CA:Y+3 mol ratios, heat treatment time, and calcination temperature was investigated in order to determine their influence on the morphology, particle size and phase of Y2O3 nanopowders. The narrow size distribution of particles was obtained with CA:Y+3 mol ratio=1.6, heat treatment time of 6 h, and a calcination temperature at 900 °C for 90 min. Then, the synthesized Y2O3 nanopowder was consolidated by the spark plasma sintering technique at 1500 °C with a heating rate of 100 °C/min and held for 8 min before turning off the power. As a result, the ceramic prepared with 3 mm thickness got the highest transmission of 80% at 2.5–6 µm wavelength. The highest density and the grain size of yttria ceramic were 99.58% and 1–1.2 µm at 1500 °C, respectively.

AB - Y2O3 nanopowders were synthesized by the hydrothermal treatment of Y(NO3)3·6H2O and citric acid (CA) as Y+3 and the capping agent, respectively. The effect of different CA:Y+3 mol ratios, heat treatment time, and calcination temperature was investigated in order to determine their influence on the morphology, particle size and phase of Y2O3 nanopowders. The narrow size distribution of particles was obtained with CA:Y+3 mol ratio=1.6, heat treatment time of 6 h, and a calcination temperature at 900 °C for 90 min. Then, the synthesized Y2O3 nanopowder was consolidated by the spark plasma sintering technique at 1500 °C with a heating rate of 100 °C/min and held for 8 min before turning off the power. As a result, the ceramic prepared with 3 mm thickness got the highest transmission of 80% at 2.5–6 µm wavelength. The highest density and the grain size of yttria ceramic were 99.58% and 1–1.2 µm at 1500 °C, respectively.

KW - Citric acid

KW - Hydrothermal

KW - Spark plasma sintering

KW - Transparent ceramic

KW - YO nanopowders

UR - https://www.scopus.com/pages/publications/84996444811

U2 - 10.1016/j.ceramint.2016.06.022

DO - 10.1016/j.ceramint.2016.06.022

M3 - Article

AN - SCOPUS:84996444811

SN - 0272-8842

VL - 42

SP - 14403

EP - 14410

JO - Ceramics International

JF - Ceramics International

IS - 13

ER -