MAGNETIC SHIELDING MATERIAL, MAGNETIC SHIELDING COMPONENT, AND MAGNETIC SHIELDING ROOM
    1.
    发明申请
    MAGNETIC SHIELDING MATERIAL, MAGNETIC SHIELDING COMPONENT, AND MAGNETIC SHIELDING ROOM 有权
    磁性屏蔽材料,磁性屏蔽元件及磁性屏蔽室

    公开(公告)号:US20100047111A1

    公开(公告)日:2010-02-25

    申请号:US12526881

    申请日:2008-02-12

    IPC分类号: C22C19/03

    摘要: Disclosed are: a magnetic shielding material having excellent magnetic shielding property at a low magnetic field; and a magnetic shielding component and a magnetic shielding room each using the magnetic shielding material. Specifically disclosed is a magnetic shielding material comprising the following components (by mass): Ni: 70.0-85.0%, Cu: 0.6% or less, Mo: 10.0% or less and Mn: 2.0% or less, with the remainder being substantially Fe. The magnetic shielding material has a relative magnetic permeability of 40,000 or more under a magnetic field of 0.05 A/m and a squareness ratio (Br/B0.8) of 0.85 or less, wherein the squareness ratio (Br/B0.8) is a ratio of a remanent magnetic flux density (Br) to a maximum magnetic flux density (B0.8) in a DC hysteresis curve produced under the maximum magnetic field of 0.8 A/m.

    摘要翻译: 公开了一种在低磁场下具有优异的磁屏蔽性能的磁屏蔽材料; 以及各自使用磁屏蔽材料的磁屏蔽部件和磁屏蔽室。 具体公开了包含以下成分(以质量计)的磁屏蔽材料:Ni:70.0-85.0%,Cu:0.6%以下,Mo:10.0%以下,Mn:2.0%以下,余量实质上为Fe 。 磁屏蔽材料的磁导度为0.05A / m,矩形比(Br / B0.8)为0.85以下,相对磁导率为40,000以上,矩形比(Br / B0.8)为 在0.8A / m的最大磁场下产生的直流磁滞曲线中的残留磁通密度(Br)与最大磁通密度(B0.8)的比率。

    Magnetic shielding material, magnetic shielding component, and magnetic shielding room
    4.
    发明授权
    Magnetic shielding material, magnetic shielding component, and magnetic shielding room 有权
    磁屏蔽材料,磁屏蔽组件和磁屏蔽室

    公开(公告)号:US08157929B2

    公开(公告)日:2012-04-17

    申请号:US12526881

    申请日:2008-02-12

    IPC分类号: H01F1/147

    摘要: Disclosed are: a magnetic shielding material having excellent magnetic shielding property at a low magnetic field; and a magnetic shielding component and a magnetic shielding room each using the magnetic shielding material. Specifically disclosed is a magnetic shielding material comprising the following components (by mass): Ni: 70.0-85.0%, Cu: 0.6% or less, Mo: 10.0% or less and Mn: 2.0% or less, with the remainder being substantially Fe. The magnetic shielding material has a relative magnetic permeability of 40,000 or more under a magnetic field of 0.05 A/m and a squareness ratio (Br/B0.8) of 0.85 or less, wherein the squareness ratio (Br/B0.8) is a ratio of a remanent magnetic flux density (Br) to a maximum magnetic flux density (B0.8) in a DC hysteresis curve produced under the maximum magnetic field of 0.8 A/m.

    摘要翻译: 公开了一种在低磁场下具有优异的磁屏蔽性能的磁屏蔽材料; 以及各自使用磁屏蔽材料的磁屏蔽部件和磁屏蔽室。 具体公开了包含以下成分(以质量计)的磁屏蔽材料:Ni:70.0-85.0%,Cu:0.6%以下,Mo:10.0%以下,Mn:2.0%以下,余量实质上为Fe 。 磁屏蔽材料的磁导度为0.05A / m,矩形比(Br / B0.8)为0.85以下,相对磁导率为40,000以上,矩形比(Br / B0.8)为 在0.8A / m的最大磁场下产生的直流磁滞曲线中的残留磁通密度(Br)与最大磁通密度(B0.8)的比率。

    Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same
    6.
    发明授权
    Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same 有权
    复合磁性部件,其制造铁磁部分的方法及其非磁性部分的形成方法

    公开(公告)号:US06255005B1

    公开(公告)日:2001-07-03

    申请号:US09358860

    申请日:1999-07-22

    IPC分类号: B32B1500

    摘要: Provided is a composite magnetic member made of a single material combining a ferromagnetic portion and a non-magnetic portion in which the ferromagnetic portion has better soft magnetism than conventional members and the non-magnetic portion has the same stable characteristic as conventional members. A method of producing the ferromagnetic portion of the member and a method of forming the non-magnetic portion are also provided. The composite magnetic member is made of an Fe—Cr—C-base alloy steel containing 0.1 to 5.0 weight % Al and has a ferromagnetic portion with a maximum magnetic permeability of not less than 400 and a non-magnetic portion with a magnetic permeability of not more than 2. In this member the number of carbides with a grain size of not less than 0.1 &mgr;m is regulated to not more than 50 in an area of 100 &mgr;m2 and the proportion of the number of carbides with a grain size of not less than 1.0 &mgr;m to the number of all carbides is controlled to not less than 15%.

    摘要翻译: 本发明提供一种复合磁性部件,其由铁磁部分和非磁性部分组成的单一材料制成,其中铁磁部分具有比常规部件更好的软磁性,并且非磁性部分具有与常规部件相同的稳定特性。 还提供了制造该部件的铁磁性部分的方法和形成非磁性部分的方法。 复合磁性部件由含有0.1〜5.0重量%的Al的Fe-Cr-C系合金钢构成,具有最大导磁率为400以上的铁磁部,磁导率为 不大于2.在该构件中,粒径不小于0.1μm的碳化物的数量在100mum2的面积中被调节到不超过50个,并且具有不小于晶粒尺寸的碳化物数量的比例 对于所有碳化物的数量,1.0μm以上控制在15%以上。