Metal porous bodies, method for preparation thereof and...

Details Metal porous bodies, method for preparation thereof and... Metal porous bodies, method for preparation thereof and...

C - Chemistry, Metallurgy

22

C

C22C 38/18 (2006.01) B22F 3/11 (2006.01) B22F 3/26 (2006.01) C22C 1/10 (2006.01) C22C 32/00 (2006.01) C22C 33/02 (2006.01)

Patent

CA 2312607

A metal porous body having a skeleton which has a foam structure, composed of an alloy composed mainly of Fe and Cr and includes a Cr carbide and/or FeCr carbide uniformly dispersed therein. The metal porous bodies are obtained by preparing a slurry mainly composed of an Fe oxide powder of average particle not more than 5 µm, at least one powder selected from among metallic Cr, Cr alloy and Cr oxide powders, thermosetting resin and a diluent; applying this slurry onto a foamed resin core body: then drying, and then forming a metal porous body by firing in a non-oxidizing atmosphere, including a heat-treatment at 950 to 1350°C. The metal porous bodies thus obtained have excellent heat resistance, corrosion resistance and strength and are useful as electrode base plates, catalyst supports and filter materials, and furthermore, as metallic composite materials.

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