JPS55112141A - Composite magnetic wire material - Google Patents
Composite magnetic wire materialInfo
- Publication number
- JPS55112141A JPS55112141A JP1785979A JP1785979A JPS55112141A JP S55112141 A JPS55112141 A JP S55112141A JP 1785979 A JP1785979 A JP 1785979A JP 1785979 A JP1785979 A JP 1785979A JP S55112141 A JPS55112141 A JP S55112141A
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- cold
- round bar
- wire
- 15mmφ
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To stably obtain the magnetic wire having discontinuous changing portions of magnetic flux in part of the magnetization curve without any special heat treatment by integrally compounding two or more kinds of ferromagnetic materials of different coercive forces to coaxial form, subjecting the same heat treatment and cold working, then straightening the same.
CONSTITUTION: For example, alloys A, B of different coercive forces whose V amounts of 49Co-Fe-V-base alloys are changed are made to round bars of about 30mmϕ respectively through hot working. These are machined to make the alloy B round bar to a core material of about 15mmϕ and alloy A round bar to a shell material for pipe of about 25mmϕ in outside diameter and about 15mmϕ in inside diameter. The core material 1 is coaxially fitted into the shell material 2 and these are hot rolled and cold swaged to be made into the integrated composite round bar of about 9.5mmϕ. After this is subjected to solution heat treatment, it is cold-drawn to a wire material of about 3.0mmϕ. After the heat treatment, it is cold drawn, whereby the loop-form wire material of about 0.6mmϕ is obtained. This is straightened with a top type straight wire straightening machine. The magnetization curves thereof become like the figure and this is used for an electromagnetic element or the like provided with a switching function.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1785979A JPS55112141A (en) | 1979-02-20 | 1979-02-20 | Composite magnetic wire material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1785979A JPS55112141A (en) | 1979-02-20 | 1979-02-20 | Composite magnetic wire material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55112141A true JPS55112141A (en) | 1980-08-29 |
Family
ID=11955373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1785979A Pending JPS55112141A (en) | 1979-02-20 | 1979-02-20 | Composite magnetic wire material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55112141A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08316549A (en) * | 1994-05-02 | 1996-11-29 | Matsushita Electric Ind Co Ltd | Magnetoresistive effect element, magnetoresistive effect head, memory device, and amplifying element equipped therewith |
US5850318A (en) * | 1995-06-06 | 1998-12-15 | Seagate Technology, Inc. | Slotless spindle motor for disc drive |
US6256222B1 (en) | 1994-05-02 | 2001-07-03 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device, and magnetoresistaance effect type head, memory device, and amplifying device using the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4915616A (en) * | 1972-06-05 | 1974-02-12 | ||
JPS5082592A (en) * | 1973-11-26 | 1975-07-04 |
-
1979
- 1979-02-20 JP JP1785979A patent/JPS55112141A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4915616A (en) * | 1972-06-05 | 1974-02-12 | ||
JPS5082592A (en) * | 1973-11-26 | 1975-07-04 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08316549A (en) * | 1994-05-02 | 1996-11-29 | Matsushita Electric Ind Co Ltd | Magnetoresistive effect element, magnetoresistive effect head, memory device, and amplifying element equipped therewith |
US6111782A (en) * | 1994-05-02 | 2000-08-29 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same |
US6256222B1 (en) | 1994-05-02 | 2001-07-03 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device, and magnetoresistaance effect type head, memory device, and amplifying device using the same |
US5850318A (en) * | 1995-06-06 | 1998-12-15 | Seagate Technology, Inc. | Slotless spindle motor for disc drive |
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