Materialism: A Materials Science Podcast
Episode 79: Cryogenic Milling at Cal Nano
Nov 29, 2023
In this episode, the hosts sit down with Eric Eyerman CEO of Cal Nano to discuss Cryogenic Milling. They explore different methods of particle size reduction in milling processes, the benefits of cryo-milling and material characterization, advantages of cryogenic milling and cold working processes, and the significance of lowering temperature in cryogenic milling and energy efficiency in the industry.
31:00
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Quick takeaways
- Cryo-milling at low temperatures facilitates grain refinement and creates nanostructured materials with improved strength and properties.
- Cryo-milling enables the production of fully homogenous materials, even when combining metals and ceramics, and can be combined with other processes like Spark Plasma Sintering to achieve efficient grain consolidation.
Deep dives
Introduction to Milling
Milling is a process used in material science and engineering to reduce the particle size of materials, particularly ceramics and metals. By achieving a finer powder, the density of the resulting material can be increased when pressed together. Milling involves various methods, including conventional ball mills, attrition milling, and cryo-milling. Each method has its advantages and drawbacks, such as the use of different media, contamination risks, and scalability.
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