Composites with large magnetostriction

Details Composites with large magnetostriction Composites with large magnetostriction

2005-02-01

2005-02-01

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

With wax, bitumen, resin, or gum

C252S062550

Reexamination Certificate

active

06849195

ABSTRACT:
A magnetostrictive composite having large magnetostriction by virtue of 2-50 vol. % magnetostrictive particles dispersed throughout a resin matrix formed from a thermosetting resin, an amine curing agent, fumed silica and a flexibilizing agent, wherein the magnetostrictive particles are aligned in the direction of their magnetic easy axes by the presence of a magnetic field prior to or during curing of the resin matrix. In an exemplary embodiment, an epoxy-Terfenol composite is formed by mixing an epoxy resin, fumed silica, a cycloaliphatic amine curing agent, and a flexibilizing agent that is a flexible diepoxide of EEW 390-470 or a mixture of a high molecular weight polyamine of MW 2000-5000 and a low molecular weight polyamine of MW 230-450 with Terfenol particles and curing the mixture in the presence of a magnetic field.

REFERENCES:
patent: 3878147 (1975-04-01), Craven
patent: 4040971 (1977-08-01), Simmonds
patent: 4378258 (1983-03-01), Clark et al.
patent: 5792284 (1998-08-01), Cedell et al.
patent: 5891367 (1999-04-01), Basheer et al.
patent: 5985049 (1999-11-01), Pinkerton et al.
patent: 5993565 (1999-11-01), Pinkerton et al.
patent: 6465039 (2002-10-01), Pinkerton et al.
patent: 588120 (1994-03-01), None
patent: 2128849 (1982-05-01), None
Ce-Wen Nan et al, “microstructural featuers on the effective magnetostriction of composite materials,” vol. 60, No. 9, Sep. 1, 1999, pp. 6723-6730.

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