Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1994-11-09
1998-09-29
Zimmerman, John J.
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
423632, 423633, C01G 4906, C01G 4908
Patent
active
058141642
ABSTRACT:
A thin-walled monolithic iron oxide structure, and process for making such a structure, is disclosed. The structure comprises a monolithic iron oxide structure obtained from oxidizing a thin-walled iron-containing, preferably plain steel, structure at a temperature below the melting point of iron. The preferred wall thickness of the steel is less than about 0.3 mm. The preferred iron oxides of the invention are hematite, magnetite, and combinations thereof. The thin-walled structures of the invention have substantially the same physical shape as the iron starting structure. Thin-walled iron-oxide structures of the invention can be used in a wide variety of applications, including gas and liquid flow dividers, corrosion resistant components of automotive exhaust systems, catalytic supports, filters, thermal insulating materials, and sound insulating materials. Iron oxides of the invention consisting substantially of magnetite can be electrically heated and, therefore, can be applicable in applications such as electrically heated thermal insulation, electric heating of liquids and gases passing through channels, and incandescent devices. Additionally, combination structures using both magnetite and hematite can be fabricated.
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Buslaev Yuri
Montano Richard
Morgunov Vyacheslav
Myasoedov Sergei
Shustorovich Alexander
American Scientific Materials Technologies L.P.
Zimmerman John J.
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