Preparation of positive magnetostrictive materials for use under tension

• Main Authors: CLARK ARTHUR E, RESTORFF JAMES B, WUN-FOGLE MARILYN
• Format: Patent
• Language: English
• Published: 20.01.2009
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

A positive magnetostrictive material such as a ferromagnetic alloy is subjected to a magnetic field during annealing treatment while being heated for a predetermined period of time at an elevated temperature below its softening temperature followed by cooling resulting in a treated ferromagnetic mat...