Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1978-02-22
1980-06-10
Dean, R.
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
75123N, 75126B, 428616, 428617, B32B 1518, C22C 3838
Patent
active
042073812
ABSTRACT:
A bimetal is disclosed having a high, rapid deflection over a specified temperature range, including a high expansion metal alloy component having a high thermal expansion coefficient that changes rapidly at 50.times.10.sup.-6 /.degree. C. or greater at a temperature of between about 100.degree. C. and 250.degree. C. and containing from 15-30% by weight of manganese, the balance of iron. The second component has a substantially constant thermal expansion coefficient regardless of the temperature change, and is preferably a stainless steel. These bimetals are used in circuit breakers, thermal protectors and the like.
REFERENCES:
patent: 1987714 (1935-01-01), Scott
patent: 3479732 (1969-11-01), Ornstein et al.
patent: 4017711 (1977-04-01), Honma et al.
Kubo et al., "Thermoelastic Martensitic Transformation and Associated Shape Memory Effect in A Ag-Al Alloy," Scripta Metallurgica, vol. 9. pp. 1083-1087; 1975.
Yershova et al., "Influence of Previous Plastic Deformation on the .gamma..fwdarw..epsilon. Transformation in Manganese Steel", Fiz. metal metalloved, 13, No. 1, pp. 107-113, 1962.
Lysak et al, "Dilatometric and X-Ray Study of .gamma..revreaction..epsilon. Transformations", Fiz metal Metalloved, 25, No. 3, pp. 562-565, 1968.
Aisaka Tatsuyoshi
Kawai Mitsuo
Mori Fumio
Sugai Shinzo
Dean R.
Saba W. G.
Tokyo Shibaura Electric Co. Ltd.
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