Nanosized intermetallic powders

   
   

Nanoparticles of intermetallic alloys such as FeAl, Fe.sub.3 Al, NiAl, TiAl and FeCoV exhibit a wide variety of interesting structural, magnetic, catalytic, resistive and electronic, and bar coding applications. The nanosized powders can be used to make structural parts having enhanced mechanical properties, magnetic parts having enhanced magnetic saturation, catalyst materials having enhanced catalytic activity, thick film circuit elements having enhanced resolution, and screen printed images such as magnetic bar codes having enhanced magnetic properties. In contrast to bulk FeAl materials which are nonmagnetic at room temperature, the FeAl nanoparticles exhibit magnetic properties at room temperature.

Nanoparticles de ligas intermetallic tais como feAl, o al Fe.sub.3, NiAl, TiAl e FeCoV exibem uma variedade larga de aplicações do coding interessando estrutural, magnético, catalytic, resistive e eletrônico, e de barra. Nanosized pós pode ser usado fazer as peças estruturais que realçam propriedades mecânicas, as peças magnéticas que realçam o saturation magnético, os materiais do catalizador que realçam a atividade catalytic, os elementos do circuito da película grossa que realçam a definição, e imagens impressas tela tais como os códigos de barra magnéticos que realçam propriedades magnéticas. No contraste a aumentar os materiais feAl que são nonmagnetic na temperatura de quarto, os nanoparticles feAl exibem propriedades magnéticas na temperatura de quarto.

 
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