Materialism: A Materials Science Podcast
Episode 80: Ceramic Innovation with Delta Faucet
Jan 3, 2024
Learn about the challenges and advantages of slip casting in ceramics production. Discover how Delta Faucet explored a new ceramic processing method and made the decision to halt the project. Dive into the difficulties faced in casting ceramic material and innovative solutions. Explore a new approach to slip casting and its potential applications. Uncover the challenges and innovations in limited silicate ceramics manufacturing.
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Quick takeaways
- Delta Faucet explored the use of colloidal silica to revolutionize ceramics manufacturing, resulting in stronger and more durable products.
- Scaling up colloidal silica slip casting presented challenges, but valuable insights and solutions were identified for future development and collaboration.
Deep dives
Traditional slip casting and its limitations
The traditional process of slip casting, used to create ceramic products such as toilets and sinks, has remained relatively unchanged for 5,000 years. This process involves casting clay and minerals dissolved in water into plaster molds. However, this method has limitations. The molds only last for about 50 parts and the process is inefficient, resulting in a high fallout rate. Additionally, the drying time is slow and the final product is prone to cracking and shrinkage.
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