skip to main content
Idioma:
Primo Search
Clear Search Box
Search in: Busca Geral
Busca Avançada
Busca por Índices

The effect of cooling rate on magnetothermal properties of Fe49Rh51

Sánchez-Valdés, C. F ; Gimaev, R. R ; López-Cruz, M ; Sánchez Llamazares, J. L ; Zverev, V. I ; Tishin, A. M ; Carvalho, A. M. G ; Aguiar, D. J. M ; Mudryk, Yaroslav ; Pecharsky, Vitalij K

Iowa State University Digital Repository 2020

Sem texto completo

Citações Citado por
  • Título:
    The effect of cooling rate on magnetothermal properties of Fe49Rh51
  • Autor: Sánchez-Valdés, C. F ; Gimaev, R. R ; López-Cruz, M ; Sánchez Llamazares, J. L ; Zverev, V. I ; Tishin, A. M ; Carvalho, A. M. G ; Aguiar, D. J. M ; Mudryk, Yaroslav ; Pecharsky, Vitalij K
  • Assuntos: Iron-rhodium alloys ; Magnetic refrigeration ; Magnetocaloric ; Materials Science and Engineering
  • Notas: Ames Laboratory Accepted Manuscripts
  • Descrição: We have investigated the effects of quenching rate on the thermal dependence of the magnetic entropy change ΔSM(T) and the magnetic field induced hysteresis loss through the antiferromagnetic (AFM) ↔ ferromagnetic (FM) transformation in bulk Fe49Rh51. Two nearly identical square-prism-shaped samples were subjected to two different temperature cooling regimes; one was rapidly quenched (FQ) in iced-water and another slow cooled (SC) to room temperature at a cooling rate of 2 K/min. The temperature of the AFM ↔ FM transition is similar for both samples, but the FQ sample shows much sharper temperature- and magnetic field-induced magnetization change; in addition, the total magnetization change is 14% larger. In FQ material, the magnetocaloric effect, i.e., ΔSM(T) quickly approaches saturation above 1 T and shows a large peak value at 2 T (13.9 versus 8.9 Jkg−1 K−1 in SC material), but a larger average hysteresis loss FWHM in the temperature range coinciding with of the full-width at half-maximum of the ΔSM(T) curve.
  • Editor: Iowa State University Digital Repository
  • Data de criação/publicação: 2020
  • Idioma: Inglês
Voltar para lista de resultados

  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

Buscando em bases de dados remotas. Favor aguardar.