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. 01, 2025
Filed:
Oct. 20, 2023
Applicant:
Vacuumschmelze Gmbh & Co. KG, Hanau, DE;
Inventors:
Assignee:
Vacuumschmelze GmbH & Co. KG, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/10 (2006.01); C21D 8/02 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/44 (2006.01); C22C 38/50 (2006.01); C23C 16/40 (2006.01);
U.S. Cl.
CPC ...
C22C 38/10 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 8/0263 (2013.01); C21D 8/0273 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/44 (2013.01); C22C 38/50 (2013.01); C23C 16/403 (2013.01); C23C 16/405 (2013.01); C21D 2211/001 (2013.01); C21D 2211/005 (2013.01);
Abstract
In an embodiment a FeCoV alloy is provided with a composition consisting essentially of 30 wt %≤Co≤55 wt %, 0.4 wt %≤V≤1.5 wt %, 0. wt %≤Nb≤0.15 wt %, 0.0 wt %≤Ta≤0.20 wt %, 0.04 wt %≤Nb+0.5·Ta≤0.15 wt %, max. 0.02 wt % C, 0.0 wt %≤Si≤0.50 wt %, 0.0 wt %≤Al≤0.50 wt %, max. 0.5 wt % Mn, max. 0.5 wt % Cr, max. 0.5 wt % Ni, max. 0.5 wt % W, max. 0.5 wt % Mo, max. 0.5 wt % Zr, the rest Fe and up to 1 wt % of other impurities, and having a phase transition from a ferritic α-phase region to a mixed ferritic/austenitic α+γ-region that takes place at a transition temperature T(α/α+γ), where T(α/α+γ)≥900° C., preferably ≥920° C., preferably ≥940° C.