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Nanocompósitos cerâmicos a partir do processo de moagem mecânica de alta energia
Fecha
2008-01-01Registro en:
Química Nova. Sociedade Brasileira de Química, v. 31, n. 5, p. 962-968, 2008.
0100-4042
10.1590/S0100-40422008000500004
S0100-40422008000500004
WOS:000259122200004
S0100-40422008000500004.pdf
Autor
Universidade Federal de Pelotas (UFPEL)
Centro Federal de Educação Tecnológica (CEFET)
Universidade Federal de São Carlos (UFSCar)
Universidade Estadual Paulista (Unesp)
Universidade Federal de Santa Catarina (UFSC)
Institución
Resumen
Pb/Ti, Sn and Mg-based nanocomposite materials were prepared by the high-energy mechanical milling of commercial powders. The surface of these ceramic compounds was strongly influenced by the doping, diameter of the milling spheres and time of the mechanical milling (amorphization process). Such milling leads to the formation of nanocrystalline materials. The mechanical processing parameters of these compounds were investigated through Brunauer, Emmett and Teller isotherms, wide angle X-ray diffraction, transmission electron microscopy and CO2 adsorption.