Fe-Mn CONSTANT MODULUS/MAGNETO-INSENSITIVE ALLOY AND MANUFACTURING METHOD THEREFOR

Title:

Fe-Mn CONSTANT MODULUS/MAGNETO-INSENSITIVE ALLOY AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2016/052554

Kind Code:

A1

Abstract:

[Problem] To provide a Fe-Mn alloy having both excellent constant elasticity and magneto-insensitivity. [Solution] A Fe-Mn alloy: having a composition containing essentially 21-27 at% of Mn and 0.2-7 at% total of element (X) obtained from one or more of Mo, W, Nb, Ta, Ti, Zr and Hf, which belong to IVB-VIB of the periodic table, the remainder being Fe and unavoidable impurities; and having a constant elasticity such that the temperature coefficient of the Young's modulus at least in the -20 to 80°C temperature range is within ±5×10-5/°C and a magneto—insensitive property such that the magnetic flux density (1.5T) is not more than 300 G.

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Inventors:

MASUMOTO TSUYOSHI (JP)
ONUMA SHIGEHIRO (JP)
SUGAWARA KAZUYUKI (JP)
KIMURA HISAMICHI (JP)

Application Number:

PCT/JP2015/077597

Publication Date:

April 07, 2016

Filing Date:

September 29, 2015

Export Citation:

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Assignee:

RES INST FOR ELECTROMAGNETIC MATERIALS (JP)

International Classes:

C22C38/00; C22C38/14; C22C38/58

Foreign References:

JPS4829686B1	1973-09-12
JPH04362158A	1992-12-15
JPH04141557A	1992-05-15
JPS6130651A	1986-02-12
JPH04143218A	1992-05-18
JPS413362B1
JPH06184700A	1994-07-05

Attorney, Agent or Firm:

MURAI, TAKUO (JP)
Takuo Murai (JP)

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