Radulov, Iliya A. and Skokov, Konstantin P. and Karpenkov, Dmitriy Yu and Braun, Tobias and Gutfleisch, Oliver (2015):
Polymer-Bonded La(Fe,Mn,Si)13Hx Plates for Heat Exchangers.
51, In: IEEE Transactions on Magnetics, (11), IEEE, pp. 1-4, ISSN 0018-9464, [Online-Edition: http://dx.doi.org/10.1109/TMAG.2015.2435051],
[Article]
Abstract
Composite materials containing hydrogenated La(Fe,Mn,Si)13 powder and 5 wt.% of polymer binder have very good magnetocaloric properties and can be machined in a heat exchanger. These heat exchangers have to fulfill certain requirements regarding their mechanical and chemical stability. In this paper, we have investigated the magnetocaloric properties of thin composite plates produced by two different methods: 1) wire saw cutting and 2) cold rolling. The flexural strength of the plates was investigated by three-point bending method. Furthermore, the corrosive behavior of the plates in different heat transfer fluids was investigated. Finally, the adiabatic temperature change and the magnetic entropy change of the plates were observed over a seven-month period in order to evaluate their applicability in a real device.
| Item Type: | Article |
|---|---|
| Erschienen: | 2015 |
| Creators: | Radulov, Iliya A. and Skokov, Konstantin P. and Karpenkov, Dmitriy Yu and Braun, Tobias and Gutfleisch, Oliver |
| Title: | Polymer-Bonded La(Fe,Mn,Si)13Hx Plates for Heat Exchangers |
| Language: | English |
| Abstract: | Composite materials containing hydrogenated La(Fe,Mn,Si)13 powder and 5 wt.% of polymer binder have very good magnetocaloric properties and can be machined in a heat exchanger. These heat exchangers have to fulfill certain requirements regarding their mechanical and chemical stability. In this paper, we have investigated the magnetocaloric properties of thin composite plates produced by two different methods: 1) wire saw cutting and 2) cold rolling. The flexural strength of the plates was investigated by three-point bending method. Furthermore, the corrosive behavior of the plates in different heat transfer fluids was investigated. Finally, the adiabatic temperature change and the magnetic entropy change of the plates were observed over a seven-month period in order to evaluate their applicability in a real device. |
| Journal or Publication Title: | IEEE Transactions on Magnetics |
| Volume: | 51 |
| Number: | 11 |
| Publisher: | IEEE |
| Uncontrolled Keywords: | Composite, La(Fe,Mn,Si)(13)H-x, magnetocaloric, polymer-bonded |
| Divisions: | 11 Department of Materials and Earth Sciences > Material Science > Functional Materials 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences |
| Date Deposited: | 08 Jan 2016 10:21 |
| Official URL: | http://dx.doi.org/10.1109/TMAG.2015.2435051 |
| Identification Number: | doi:10.1109/TMAG.2015.2435051 |
| Funders: | Sponsored by IEEE Magnetics Society |
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