Invention Grant
- Patent Title: Fe—Si—B—C-based amorphous alloy ribbon and transformer core formed thereby
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Application No.: US15534381Application Date: 2015-12-08
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Publication No.: US10566127B2Publication Date: 2020-02-18
- Inventor: Eric Theisen , Yuichi Ogawa , Daichi Azuma
- Applicant: METGLAS, INC. , HITACHI METALS, LTD.
- Applicant Address: JP Tokyo US SC Conway
- Assignee: HITACHI METALS, LTD.,METGLAS, INC.
- Current Assignee: HITACHI METALS, LTD.,METGLAS, INC.
- Current Assignee Address: JP Tokyo US SC Conway
- International Application: PCT/US2015/064461 WO 20151208
- International Announcement: WO2016/094385 WO 20160616
- Main IPC: H01F27/25
- IPC: H01F27/25 ; H01F1/153 ; C22C38/02 ; C22C38/00 ; C22C45/02 ; C22C45/00
Abstract:
An Fe—Si—B—C-based amorphous alloy ribbon as thick as 20-30 μm having a composition comprising 80.0-80.7 atomic % of Fe, 6.1-7.99 atomic % of Si, and 11.5-13.2 atomic % of B, the total amount of Fe, Si and B being 100 atomic %, and further comprising 0.2-0.45 atomic % of C per 100 atomic % of the total amount of Fe, Si and B, except for inevitable impurities has a stress relief degree of 92% or more.
Public/Granted literature
- US20170365392A1 Fe-Si-B-C-BASED AMORPHOUS ALLOY RIBBON AND TRANSFORMER CORE FORMED THEREBY Public/Granted day:2017-12-21
Information query
