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Magnetostrictive materials, devices and methods using high magnetostriction, high strength FeGa and FeBe alloys

Patent image
NSWCCD

An alloy comprising: a magnetostrictive iron alloy having the formula: FexGayAlz, where x is of from about 65 at % to about 90 at %, y is of from about 5 at % to about 35 at %, andz is of from about 0 at % to about 30 at %; and wherein said alloy has a room temperature magnetostriction of at least approximately 150 ppm. An alloy having a saturated magnetostriction of from about at least 150 ppm comprising: a magnetostrictive iron alloy having the formula: FexGayBet, where x is of from about 65 at % to about 90 at %, y is of from about 1 at % to about 35 at %, andt is of from about 1 at % to about 30 at %; and wherein said alloy has a room temperature magnetostriction of at least approximately 150 ppm.

Inventors: 
Clark, Arthur E.; Wun-fogle, Marilyn; Restorff, James B.; Lograsso, Thomas A.; Kellogg, Rick Allen
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2005-11-29
Grant Date: 
2012-11-13
Grant time: 
2,541 days
Grant time percentile rank: 
46
Claim count percentile rank: 
2
Citations percentile rank: 
2
'Cited by' percentile rank: 
1
Assignee: 
US NAVY