# US 2010/0163136 A1 · Amorphous Alloy Ribbon Superior in Magnetic Characteristics and Lamination Factor

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- Number: US 2010/0163136 A1
- Document ID: US20100163136A1
- Status: Published application
- Kind: A1
- Application number: 12/223,900
- Filed: 2007-02-14
- Published: 2010-07-01
- Earliest claimed: 2006-02-17
- Assignees: Nippon Steel Corporation
- Inventors: Shigekatsu Ozaki; Takeshi Imai
- Web page: https://patentgrep.com/patent/US20100163136A1

## CPC

- H01F 1/15341: {Preparation processes therefor}
- B22D 11/0611: {formed by a single casting wheel, e.g. for casting amorphous metal strips or wires}
- C22C 45/02: with iron as the major constituent
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- B22D: CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B29C; metallurgical processing, selection of substances to be added to metal C21, C22)
- C22C: ALLOYS (treatment of alloys C21D, C22F)

## Abstract

The present invention provides an amorphous alloy ribbon superior in magnetic characteristics and lamination factor by defining the slip property of the amorphous alloy ribbon surface in a specific range, that is, an amorphous alloy ribbon superior in magnetic characteristics and lamination factor produced by the single roll method, characterized in that the slip property of the ribbon surface satisfies the following equation: 0.1≦F=P/M≦1.0 where, F is the slip friction coefficient, P is the force pulling the intermediate part of the amorphous ribbon when applying weight from above to three amorphous ribbons stacked together, and M is the load applied from the top of the amorphous ribbon (5 kg).

## Claims

### Claim 1

An amorphous alloy ribbon superior in magnetic characteristics and lamination factor produced by the single roll method, characterized in that the slip property of the ribbon surface satisfies the following equation:
0.1≦F=P/M≦1.0
where, F is the slip friction coefficient, P is the force pulling the intermediate part of the amorphous ribbon when applying weight from above to three amorphous ribbons stacked together, and M is the load applied from the top of the amorphous ribbon (5 kg).