Catalytic converters-metal foil material for use herein, and a m

Details Catalytic converters-metal foil material for use herein, and a m Catalytic converters-metal foil material for use herein, and a m

1997-09-08

1999-11-09

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148530, 148531, 148535, 228190, 2282352, 22826244, B23K 2004

Patent

active

059806583

ABSTRACT:
A metal foil substrate material with improved formability properties for catalytic converters and a method of making the material in which layers of ferritic stainless steel and aluminum are solid state metallurgically bonded together forming a composite material. Such composite material is further rolled to an intermediate foil gauge and then subjected to a thermal in situ reaction to form a resulting uniform solid solution foil material with superior high temperature corrosion resistance. This uniform solid solution material is then rolled to the final foil gauge.

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patent: 5553770 (1996-09-01), Jha et al.
ASM Handbook, vol. 4, Heat Treating, pp. 769-777, 1991.

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