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Title:
DAMPING ALLOY
Document Type and Number:
Japanese Patent JPS558414
Kind Code:
A
Abstract:

PURPOSE: To provide a damping alloy having excellent damping property in accordance with temp. change, by annealing at a specific temp. an alloy steel contg. elements having performance for improving damping property, e.g., Cr, Mo, Si.

CONSTITUTION: An alloy steel comprising 8W25 % Cr, 1W4 % Si, 0.2W3 % Mo, < 0.06 % C, in addn., 0.5W3 % Ni, if necessary. An alloy steel of above described composition is melted and cast into ingot in a high frequency induction furnace, and the ingot is hot forged to manufacture a product. The product is annealed at a temp. 600W1,300°C to give excellent damping property, stength, rust proofing property, and machinability. Further addn. of 0.5W3 % Ni more improves strength, and rust proofing property.


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Inventors:
TOKORO HIROKAZU
SAHASHI MASASHI
NAKAGAWA MASATOSHI
YAMAGUCHI YOSHIKATSU
Application Number:
JP7874278A
Publication Date:
January 22, 1980
Filing Date:
June 30, 1978
Export Citation:
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Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
C22C38/00; C22C38/34; C22C38/38; (IPC1-7): C22C38/34; C22C38/38
Domestic Patent References:
JPS516118A1976-01-19
JPS51139518A1976-12-01



 
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