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U.S. Department of Energy
Office of Scientific and Technical Information

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

Patent ·
OSTI ID:7021689

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 to 1,000 C for 20 minutes to six hours.

DOE Contract Number:
W-7405-ENG-82
Assignee:
Iowa State Univ. Research Foundation, Inc., Ames, IA (United States)
Patent Number(s):
US 4849034; A
Application Number:
PPN: US 7-108492
OSTI ID:
7021689
Country of Publication:
United States
Language:
English