Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1974-04-03
1976-11-16
Hunt, Brooks H.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
75124, 75126R, 75126C, 75126D, 75126E, 75126F, 75126G, 75126H, 75128R, 75128B, 75128G, 75128Z, 75128T, 75128W, 75128V, B22F 300
Patent
active
039921611
ABSTRACT:
A powder metallurgy product comprising iron and chromium, and/or aluminum and characterized by elongated grains that are stable at elevated temperatures.
A method of producing such a product, including mechanically alloying a suitable powder charge, consolidating the mechanically alloyed powder, working the consolidated product so as to achieve therein a reduction of at least about 10%; and, then, heating the worked product to produce coarse elongated grains therein.
The product produced according to the present invention exhibits good oxidation resistance and good room temperature and elevated temperature strength and ductility.
REFERENCES:
patent: 3159908 (1964-12-01), Anders
patent: 3346427 (1967-10-01), Baldwin et al.
patent: 3366515 (1968-01-01), Fraser et al.
patent: 3368883 (1968-02-01), Barnett et al.
patent: 3591365 (1971-07-01), Ohmachi
patent: 3623849 (1971-11-01), Benjamin
patent: 3720551 (1973-03-01), Allen
patent: 3837847 (1974-09-01), Bieber
Wukusick et al., "An Fe--Cr--Al Alloy containing Y" Materials Research & Standards 12/64 p. 637-646.
Benjamin John Stanwood
Cairns Robert Lacock
Hunt Brooks H.
Leff Miriam W.
MacQueen Ewan C.
The International Nickel Company Inc.
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