Magnetorheological materials based on alloy particles

Details Magnetorheological materials based on alloy particles Magnetorheological materials based on alloy particles

1992-10-30

1995-01-17

Willis, Jr., Prince

Compositions

Magnetic

Free metal or alloy containing

252 6252, 252 6254, H01F 128

Patent

active

053823737

ABSTRACT:
A magnetorheological material containing a carrier fluid and an iron alloy particle component. The particle component can be either an iron-cobalt alloy or an iron-nickel alloy. The iron-cobalt alloy has an iron:cobalt ratio ranging from about 30:70 to 95:5 while the iron-nickel alloy has an iron:nickel ratio ranging from about 90:10 to 99:1. The iron alloy particle components are capable of imparting high yield stress capability to magnetorheological materials.

REFERENCES:
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patent: 2661596 (1953-12-01), Winslow
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Kirk-Othmer Encyclopedia of Chemical Technology, vol. 14, pp. 662-664, (1981).
J. Rabinow, "Technical News Bulletin," vol. 32, No. 5, pp. 54-60, issued by U.S. Dept. of Commerce, May, 1948 describing a magnetic fluid clutch.

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