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A new type of magnetocaloric composite based on conductive polymer and magnetocaloric compound

Imamura, W. ; Coelho, A.A. ; Kupfer, V.L. ; Carvalho, A.M.G. ; Zago, J.G. ; Rinaldi, A.W. ; Favaro, S.L. ; Alves, C.S.

Journal of magnetism and magnetic materials, 2017-03, Vol.425, p.65-71 [Periódico revisado por pares]

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Título:
A new type of magnetocaloric composite based on conductive polymer and magnetocaloric compound
Autor: Imamura, W. ; Coelho, A.A. ; Kupfer, V.L. ; Carvalho, A.M.G. ; Zago, J.G. ; Rinaldi, A.W. ; Favaro, S.L. ; Alves, C.S.
Assuntos: Chemical elements ; Magnetic fields ; Magnetic properties ; Magnetic refrigeration ; Magnetocaloric effect ; Magnetocaloric properties ; Matrix ; Polyanilines ; Studies
É parte de: Journal of magnetism and magnetic materials, 2017-03, Vol.425, p.65-71
Descrição: We introduce a processing route of the first magnetocaloric composite with conductive polymer – wherein the magnetocaloric reinforcement is a compound Gd5.09Ge2.03Si1.88 and the ductile matrix is a conductive polymer polyaniline doped by camphorsulfonic acid (PAni-CSA). This new type of composite combines mechanical, electrical and magnetocaloric properties that can be applied in thermomagnetic machines. •We developed a new type of magnetocaloric composite: PAni-CSA/Gd5.09Ge2.03Si1.88.•We presented a processing route which use a conductive polymer instead of epoxy resins or thermoplastic polymers.•We varied the concentration of PAni-CSA (numerical type) and sintering (categorical type).•We analyzed the matrix (PAni-CSA), the magnetocaloric reinforcement (Gd5.09Ge2.03Si1.88) and the composites.•We presented and discussed mechanical, electrical and magnetocaloric properties.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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