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Heat-Resistant Highly-Porous Cellular Alloys

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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

Features of a method for preparing highly-porous permeable cellular materials with an open porosity of 85-90% are described. It involves reproducing the structure of foamed polyurethane by a method of suspension-electrochemical formation, especially for the heat-resistant alloys nichrome, fechral, chromal, and nichal. Highly-porous permeable cellular materials are a three-dimensional cell network with a cell size controlled in the range of 0.8 to 5 mm. Features of the macro-, meso-, and microstructure, strength, the scaling resistance of highly-porous cellular alloys in relation to composition, and relative density are studied. Heat-resistant cellular materials may be used as block carriers of catalysts for afterburning harmful impurities in internal combustion engines, in different chemical processes, as explosion and flame inhibitors, in compact mixing devices for components in danger of combustion or explosion, etc.

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Authors and Affiliations

  1. Scientific Center for Powder Materials Science, Politekhnicheskii prosp. 6, Perm 13, 614013, Russia

    Vladimir D. Khramtsov

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  1. Vladimir D. Khramtsov
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Khramtsov, V.D. Heat-Resistant Highly-Porous Cellular Alloys. Powder Metallurgy and Metal Ceramics 40, 208–212 (2001). https://doi.org/10.1023/A:1012837028614

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  • DOI: https://doi.org/10.1023/A:1012837028614

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