About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
|
Advanced Magnetic Materials for Energy and Power Conversion Applications
|
Presentation Title |
Industrial Development of La-Fe-Si Magnetocaloric Alloys for Energy Conversion |
Author(s) |
Alexander Barcza, Christian Polak |
On-Site Speaker (Planned) |
Christian Polak |
Abstract Scope |
The commercial success of magnetic refrigeration depends critically on the shaping of magnetocaloric alloys into heat exchange structures having low pressure drop and large surface area. Due to its large magnetocaloric effect, abundant and inexpensive raw materials La-Fe-Si is one of the most promising candidate materials. Its brittleness makes it unsuitable for production processes used for conventional metallic heat exchange structures. We have developed an industrially viable, near net-shaping, powder-metallurgy route for the production of La-Fe-Si microchannel heat exchangers. The structures allow for 2D-connected fluid channels with hydraulic diameters of the order of several hundred micrometers – similar to conventional corrugated fin heat exchangers. The manufacturing techniques used offer large degrees of freedom for the designers paving the way for further commercialization of solid state energy conversion based on the magnetocaloric effect. |
Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |