Ceramic nanocomposites from the hight-energy mechanical milling process

Química Nova

Fajardo, Humberto V.¹  Keyson, Dawy¹  Universidade Estadual Paulista, Araraquara, Brasil¹  Longo, Elson¹  Universidade Federal de São Carlos, São Carlos, Brasil¹  Leite, Edson R.¹  Fabbro, Maria T.¹  Probst, Luiz F. D.¹  Santos, Luís P. S.¹  Garcia, Irene T. S.¹  Universidade Federal de Pelotas, Capão do Leão, Brasil¹  Universidade Federal de Santa Catarina, Florianópolis, Brasil¹  Centro Federal de Educação Tecnológica do Maranhão, São Luis, Brasil¹  Carreño, Neftalí L. V.¹ 

关键词: nanocomposite;    high-;    energy attrition mill;    rare earth.;   

DOI  :  10.1590/S0100-40422008000500004

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

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.

【 授权许可】

Unknown