Effects of particle size and dispersion methods of In 2 O 3 ‐SnO 2 mixed powders on the sintering properties of indium tin oxide ceramics
Source abstract
Abstract
Abstract Three group samples were used to investigate the effects of particle size and dispersion methods of In 2 O 3 ‐SnO 2 mixed powders on the sintering properties of ITO ceramics by BET , SEM , XRD , and EPMA , etc. High‐density (99.8% of TD ) ITO ceramics, with dimensions of 350 × 250 × 8 mm 3 for the industrial application, were obtained by the mixed powders of In 2 O 3 calcined at 1000°C and SnO 2 with BET 6.0 ± 0.5 m 2 /g and collocation use of ball mill for 300 minutes, stirred mill for 60 minutes, and sand mill for 3 minutes. The results indicate that: (i) the larger the SnO 2 /In 2 O 3 particle size ratio, the higher the density of ITO ceramics, (ii) the dispersion of mechanical ball‐mill methods for nanosized In 2 O 3 and SnO 2 powders is beneficial to the densification and structural homogeneity, and (iii) the smaller the relative grain size, the more uniform the distribution of grain size.
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Research context
OpenAlex topics: ZnO doping and properties · Gas Sensing Nanomaterials and Sensors · Electrical and Thermal Properties of Materials
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Affiliations
State Key Laboratory of Powder Metallurgy Central South University Changsha People's Republic of China
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