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:
Apr. 25, 2000
Filed:
Feb. 12, 1998
Michael Orillion, San Jose, CA (US);
Johan Pfeiffer, Houston, TX (US);
Yulig K Kovneristy, Moscow, RU;
FMC Corporation, Philadelphia, PA (US);
Abstract
The present invention provides an amorphous or amorphous/microcrystalline metal alloy comprising Fe.sub.a Cr.sub.b V.sub.c P.sub.d Si.sub.e C.sub.f M.sub.g X.sub.h wherein M is selected from the group consisting of Cu, Ni, and mixtures thereof; X is selected from the group consisting of Mo, W, and mixtures thereof; a is about 66 to about 80; b is about 0.5 to about 5.0; c is about 0.5 to about 5.0; d is about 7.0 to about 13.0; e is about 0.2 to about 3.0; f is about 4.5 to about 8.0; g is about 0.1 to about 0.9; h is about 0.1 to about 3.0; and a, b, c, d, e, f, g, and h represent atomic percent where the total is nominally equal to 100 atomic percent. Such metal alloys have desirable magnetic properties such as high saturation induction, low coercivity and high normal permeability. Significantly cost-effective methods of producing such alloys using by-product ferrophosphorus from phosphorus production and impure sources of alloying elements are also provided.