The Importance of Zeta Potential in Ceramic Processing

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00:00:00 The Importance of Zeta Potential in Ceramic Processing
00:01:00 The Importance of Zeta Potential in Ceramic Processing
00:01:44 Agenda
00:02:23 Ceramic Processing
00:03:22 Ceramic Processing
00:03:43 Zeta Potential
00:04:11 Zeta Potential
00:04:33 Zeta Potential
00:04:53 Zeta Potential
00:05:57 How is Zeta Potential Measured?
00:06:40 Measuring Zeta Potential: Electrophoresis
00:07:16 Measuring Zeta Potential: Electrophoresis
00:07:44 Laser Doppler Electrophoresis
00:08:55 Zeta Potential and Ceramics
00:09:09 Ceramic Suspension Characterisation
00:11:00 Ceramic Processing: Effect of Binders and Dispersants
00:11:52 Ceramic Processing: Alumina Example
00:12:34 Ceramic Processing Effect of APMA (dispersant) on Alumina
00:13:28 Ceramic Processing Effect of PEG (binder) on Alumina
00:13:51 Ceramic Processing Effect of varying [APMA] at constant [PEG] on Alumina
00:14:26 Ceramic Processing Effect of varying [PEG] at constant [APMA] on Alumina
00:15:05 Alumina Example Conclusions
00:16:03 Zetasizer Nano: Technical Specifications
00:17:36 Zetasizer Nano and MPT2
00:18:41 Typical Titration Schematic
00:19:18 Ceramic Processing: Conclusions
00:20:01 More information
00:20:33 Contact information

The aim of ceramic processing is to maximize the strength and reliability of the end ceramic product. Ceramic processing involves a number of stages (e.g. powder manufacture, milling, blending, granulation, compaction, sintering, grinding, incorporation of additives); each stage must be understood as it can affect final ceramic properties. 

The control of the stability of a ceramic dispersion can prevent particle aggregation from occurring. The measurement of zeta potential and rheological properties can be used to optimize dispersion conditions to produce a defect free product. Data include titania, alumina slurries with additives (plastisizer, binder, dispersant), of relevance for the optimization of aggregation-free suspensions.