Mechanical and Magnetocaloric Properties the Composite Based on PMMA and Gd-Ge-Si as Reinforcement
| Autor: | Felipe Mello Rigon, Andressa dos Santos, Jean Halison de Oliveira, Laís Weber Aguiar, Wagner André dos Santos Conceição, Paulo Vinicius Trevizoli, Silvia Luciana Favaro, Cleber Santiago Alves |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Materials Research, Vol 24, Iss 4 (2021) |
| Druh dokumentu: | article |
| ISSN: | 1516-1439 1980-5373 |
| DOI: | 10.1590/1980-5373-mr-2020-0400 |
| Popis: | This research work investigates a new type of polymer-based magnetocaloric composite. Using PMMA as polymeric matrix and the magnetocaloric material Gd5.09Ge2.03Si1.88 as reinforcement,no influence of the presence of polymer on the magnetic properties of Gd5.09Ge2.03Si1.88 were observed. Three types of composites with different PMMA content were fabricated by mixing the components and curing the composite. The composites were evaluated by their mechanical, physicochemical and morphological properties.The proposed PMMA composite MC10 presented the smallest elastic modulus but highest Vickers hardness (6.61 ± 0.08 GPa and 22.10 ± 1.29 HV, respectively). The composites showed asatisfactorymagnetocaloriceffect (MCE)“peak” of -7 J/kgK. With the results, this composite can be a potential candidate for applications as Active Magnetic Regenerator in magnetic heat pumps. |
| Databáze: | Directory of Open Access Journals |
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