The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2009
Filed:
Feb. 11, 2005
Arthur E. Clark, Adelphi, MD (US);
Marilyn Wun-fogle, Potomac, MD (US);
James B. Restorff, College Park, MD (US);
Arthur E. Clark, Adelphi, MD (US);
Marilyn Wun-Fogle, Potomac, MD (US);
James B. Restorff, College Park, MD (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
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 material having high tensile strength and positive magnetostriction properties for enhancing use thereof under tensile loading conditions. Such treatment of the ferromagnetic alloy may be augmented by application thereto of a compressive stress.