Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods

Patent · Tue Jul 18 00:00:00 EDT 1989

OSTI ID:867039

Verhoeven, John D ^[1]; McMasters, O D ^[1]

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1. Ames, IA

Magnetostrictive rods formed from rare earth-iron alloys are subjected to a short time heat treatment to increase their Magnetostrictive response under compression. The heat treatment is preferably carried out at a temperature of from 900.degree. to 1000.degree. C. for 20 minutes to six hours.

• Research Organization: Ames Laboratory (AMES), Ames, IA; Iowa State University, Ames, IA (US)
• DOE Contract Number: W-7405-ENG-82
• Assignee: Iowa State University Research Foundation, Inc. (Ames, IA)
• Patent Number(s): US 4849034
• Application Number: 07/108,492
• OSTI ID: 867039
• Country of Publication: United States
• Language: English

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