Fe-Mn group vibration damping alloy manufacturing method thereof

Details Fe-Mn group vibration damping alloy manufacturing method thereof Fe-Mn group vibration damping alloy manufacturing method thereof

1992-10-19

1994-03-01

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148546, 148547, 148619, 148620, 148329, C21D 800

Patent

active

052903729

ABSTRACT:
A vibration damping alloy has a mixed structure of martensite and austenite. The alloy steel is iron-based to which 14-22% by weight of manganese is added. The vibration damping alloy is manufactured by mixing electrolytic iron and manganese in a molten state. The molten mixture, containing 14-22% of manganese with the remainder of iron, is cast as an ingot. The ingot is homogenized at 1000.degree.-1300.degree. C. for 20-40 hours and then hot rolled at 900.degree.-1100.degree. C. for 20 minutes to 90 minutes. The ingot is cooled with air or water.

REFERENCES:
patent: 1278207 (1918-09-01), Potter
patent: 4875933 (1989-10-01), Wan

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