Metal treatment – Compositions – Heat treating
Patent
1975-06-05
1977-03-15
Dean, R.
Metal treatment
Compositions
Heat treating
75170, 148 127N, 148 203, 148 325, 148162, C22F 102
Patent
active
040122379
ABSTRACT:
An improved material for use in a catalytic reactor which reduces nitrogen oxide from internal combustion engines is in the form of a zirconium-modified, precipitation-strengthened nickel-copper alloy. This material has a nominal composition of Ni-30 Cu-0.2 Zr and is characterized by improved high temperature mechanical properties.
REFERENCES:
patent: 2150095 (1939-03-01), Kayes
patent: 2283246 (1942-05-01), Wise et al.
Dean R.
Manning John R.
Musial N. T.
Shook G. E.
The United States of America as represented by the Administrator
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