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Old 21st October 2011, 08:34 PM   #4
Fernando K
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Join Date: Apr 2010
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Hola
Aunque la pregunta, al parecer, no ha sido dirigida a todos, contesto:
El óxido de hierro se comporta como un cuerpo extraño en la superficie del metal, como un par galvánico que fomenta mas y mas oxidación. No existe óxido pasivo, aunque en apariencia permanezca estable.
Hay que eliminar las mínimas trazas de óxido. Para ello hay tres métodos: la electrolisis y el método de zinc-soda, basados en la producción de hidrogeno naciente, que reduce al óxido, y el ultra-sonido.
El óxido se forma en cráteres irregulares "picaduras" y aunque se limpie la superficie, el óxido permanece en las cavernas, y la única manera de eliminarlo, es eliminando metal.
Estos métodos son recomendados por el ICOM (International Council of Museums)

AHello
Although the question, apparently, has not been addressed to all, replied:
The iron oxide acts as a foreign body in the metal surface, such as a galvanic couple that encourages more and more rust. There is no passive oxide, although apparently remains stable.
Minimum necessary to remove the traces of rust. For this there are three methods: electrolysis and the zinc-soda method, based on the production of nascent hydrogen, which reduces the oxide, and the ultra-sound.
The oxide is formed in craters irregular "bites" and although the surface is cleaned, rust remains in caves, and the only way to remove it is by removing metal.
These methods are recommended by the ICOM (International Council of Museums)

Afecdtuosamente. Fernando IK
fecdtuosamente. Fernando IK
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