Buscar
Mostrando ítems 1-2 de 2
Resistividade elétrica de cerâmicas de alumina a temperatura ambiente e a 600oC
(Universidade Federal de São Carlos, 1992-03-10)
Alumina (Al2O3) ceramic specimens have been prepared via traditional ceramic process, namely, powder analyses, classification and conditioning, uniaxial cold pressong and sintering. DC electrical resistivity measurements ...
Crescimento de monocristais supercondutores de YBa2Cu3O7-ȣ pelo método de fluxo em cadinhos de SnO2.
(Universidade Federal de São Carlos, 1998-02-27)
Nowadays, the flux method is one of the most widely used techniques promote growth of YBa2Cu3O7-ȣ single crystal superconductor. By using the material in a melted state, the reactions due to temperature are possible. To ...