Thyssenkrupp Steel Europe Ag

Thyssen Krupp Ag

Thyssenkrupp Electrical Steel Ebg Gmbh

Karl Telger

Olaf Fischer

Sebastian Sieron

Abdullah Kahveci

Marco Tietz

Philipp Szary

Anton Vidovic

Stephan Drewes

Rudolf Kawalla

Johann Mueller

Carl-Dieter Wuppermann

Karl Ernst Friedrich

Tobias Lewe

J&uuml;rgen Schneider

Dorothée Dorner

Johann Müller

Nina Maria Winkler

Silke Strauss

Thomas B&ouml;hm

Philipp Grunden

Aleksander Matos Costa

Julia Daamen

Nina Maria Strecker

Olaf Dr-Ing Fischer

A non-oriented electrical steel strip or sheet having the following composition, in percent by weight: 3.2 to 3.4 of Si, 0.85 to 1.1 of Al, 0.07 to 0.18 of Mn, 0.01 to 0.04 of P, 0.0003 to 0.0030 of S, 0.0005 to 0.0020 of N, 0.0010 to 0.0050 of C, 0.0015 to 0.0040 of Ti, 0.01 to 0.008 of Cr, up to 0.05 in total of Nb+Mo+V, balance Fe and unavoidable impurities up to a total amount of 1.0% and having a specific electrical resistance at 50° C. of 0.62 to 0.65μΩm. Also, a process for the production thereof and the use thereof in iron cores of rotating electric machines, in particular in electric motors, for example in electric vehicles or hybrid vehicles, and generators.

Electric steel strip or sheet for higher frequency electric motor applications, with improved polarization and low magnetic losses

The invention relates to a non-grain-oriented electrical steel strip or sheet, in particular for electrical applications, an electrical component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical applications.

Electrical steel strip that can be but doesn't have to be reannealed

The present disclosure provides a non-grain-oriented electrical steel strip which can be used in electric machines such as electric motors and generators. In examples, the non-grain oriented electrical steel strip can be used as a stator having good magnetic properties and as a rotor having good mechanical properties. A reference heat treatment performed subsequent to an initial final heat treatment makes it possible to obtain improved magnetic properties.

A composite material, especially for use in a stator stack and/or rotor stack is disclosed. The composite material includes a first and a second electrical steel strip layer and a polymeric layer arranged in between, wherein the polymeric layer consists of a crosslinked acrylate-based copolymer of high molecular weight and has a layer thickness in the range from 3 to 20 &#x3bc;m.

Composite material for a stator stack and rotor stack

The invention relates to a non-oriented electrical steel strip or sheet, in particular for electrical engineering applications, an electrical engineering component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical engineering applications.

Non-oriented electrical steel strip for electric motors

A non-grain-oriented electrical steel strip or sheet consisting of a steel which contains, in addition to iron and unavoidable impurities, (in wt. %) Si: 1.0-4.5%, Al: up to 2.0%, Mn: up to 1.0%, C: up to 0.01%, N: up to 0.01%, S: up to 0.012%, Ti: 0.1-0.5% P: 0.1-0.3%, wherein 1.0&#x2266;% Ti/% P&#x2266;2.0 applies for the % Ti/% P ratio. The NGO sheet or strip can be manufactured by cold rolling a hot strip of a steel having the previously mentioned composition into a cold strip and subjecting this cold strip to a final annealing process. Different variants of this final annealing process may be used to accentuate the properties of the strip or sheet. The non-grain-oriented electrical steel strip or sheet and components manufactured from such a sheet or strip for electrotechnical applications are characterized by increased strength and good magnetic properties.

Non-grain-oriented electrical steel strip or sheet, component manufactured from it and method for producing a non-grain-oriented electrical steel strip or sheet

Method of producing non-grain-oriented electrical sheet

Growing community of inventors

Coesfeld, Germany

Karl Telger