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    • 94. 发明授权
    • Method for making a magnetically anisotropic element
    • 制造磁各向异性元件的方法
    • US4401483A
    • 1983-08-30
    • US339902
    • 1982-01-18
    • Sungho Jin
    • Sungho Jin
    • H01F1/04H01F1/02
    • H01F1/04
    • Magnetically actuated devices such as, e.g., switches and synchronizers typically comprise a magnetically semihard component having a square B-H hysteresis loop and high remanent induction. Among known alloys having such properties are Co-Fe-V, Co-Fe-Nb, and Co-Fe-Ni-Al-Ti alloys which, however, contain undesirably large amounts of cobalt.According to the invention, devices are equipped with a magnetically semihard, high-remanence Fe-Cr-Mo alloy which comprises Cr in a preferred amount in the range of 6-26 weight percent and Mo in a preferred amount in the range of 1-12 weight percent. Preparation of alloys of the invention may be by a treatment of annealing, deformation, and aging.Magnets made from alloys of the invention may be shaped, e.g., by cold drawing, rolling, bending, or flattening and may be used in devices such as, e.g., electrical contact switches, hysteresis motors, and other magnetically actuated devices.
    • 诸如开关和同步器的磁致动器件通常包括具有平方B-H磁滞回线和高剩磁感应的磁半硬件部件。 在具有这种性能的已知合金中,Co-Fe-V,Co-Fe-Nb和Co-Fe-Ni-Al-Ti合金,然而,其含有不期望的大量的钴。 根据本发明,装置配备有磁半硬,高剩余Fe-Cr-Mo合金,其包含优选量在6-26重量%范围内的Cr,优选量的Mo在1- 12重量%。 本发明的合金的制备可以通过退火,变形和老化的处理。 由本发明的合金制成的磁体可以例如通过冷拉伸,轧制,弯曲或平坦化成形,并且可以用于例如电接触开关,磁滞电动机和其它磁致动装置的装置中。
    • 95. 发明授权
    • Isotropic and nearly isotropic permanent magnet alloys
    • 各向同性和几何各向同性永磁合金
    • US4391656A
    • 1983-07-05
    • US374310
    • 1982-05-03
    • Sungho JinThomas H. Tiefel
    • Sungho JinThomas H. Tiefel
    • C22C38/12H01F1/04H01F1/02
    • C22C38/12H01F1/04
    • To provide for an inexpensive magnet alloy, isotropic and nearly isotropic permanent magnet properties are developed in Fe-Mo-Ni alloys. Manufacture may be by a method which comprises steps of annealing, optional deforming by a limited amount, and aging.Typical magnetic properties of alloys of the invention are a coercive force in the range of 50-500 oersted, a magnetic remanence in the range of 7000-14000 gauss, and a magnetic squareness ratio of less than 0.9. Alloys of the invention are highly ductile even after plastic deformation, they are readily bonded to aluminum supports (as used, e.g., in the manufacture of twistor memories), and they are readily etched by etchants which leave aluminum unaffected.
    • 为了提供廉价的磁体合金,在Fe-Mo-Ni合金中开发出各向同性和几乎各向同性的永磁体性能。 制造可以通过包括退火步骤,任选的有限量的变形和老化的方法。 本发明的合金的典型的磁性是50-500奥斯特的矫顽力,7000-14000高斯范围内的磁剩磁,小于0.9的磁矩比。 本发明的合金即使在塑性变形之后也具有高延展性,它们易于粘合到铝支架上(例如用于制造二极管存储器),并且它们容易地被不会影响铝的蚀刻剂蚀刻。
    • 96. 发明授权
    • Magnetically actuated device comprising an Fe-Mo-Ni magnetic element
    • 包含Fe-Mo-Ni磁性元件的磁致动装置
    • US4377797A
    • 1983-03-22
    • US364622
    • 1982-04-01
    • Sungho JinThomas H. Tiefel
    • Sungho JinThomas H. Tiefel
    • C21D8/12C22C38/08C22C38/12H01F1/04H01H1/02H01H1/66
    • C22C38/08C22C38/12H01F1/04H01H1/0201C21D8/1233
    • Magnetically actuated devices such as, e.g., switches and synchronizers typically comprise a magnetically semihard component having a square B-H hysteresis loop and high remanent induction. Among alloys having such properties are Co-Fe-V, Co-Fe-Nb, and Co-Fe-Ni-Al-Ti alloys which, however, contain undesirably large amounts of cobalt.According to the invention, devices are equipped with a magnetically semihard, high-remanence Fe-Mo-Ni alloy which comprises Mo in a preferred amount in the range of 2-26 weight percent and Ni in a preferred amount in the range of 0.5-15 weight percent.Magnets made from alloys of the invention may be shaped, e.g., by cold drawing, rolling, bending, or flattening and may be used in devices such as, e.g., electrical contact switches, hysteresis motors, and other magnetically actuated devices.Preparation of alloys of the invention may be by a treatment of annealing and aging or deformation and aging.
    • 诸如开关和同步器的磁致动器件通常包括具有平方B-H磁滞回线和高剩磁感应的磁半硬件部件。 在具有这种性能的合金中,Co-Fe-V,Co-Fe-Nb和Co-Fe-Ni-Al-Ti合金,然而,其含有不期望的大量的钴。 根据本发明,装置配备有磁半硬,高剩余的Fe-Mo-Ni合金,其包含优选量在2-26重量%范围内的Mo和0.5重量%的优选量的Mo, 15重量%。 由本发明的合金制成的磁体可以例如通过冷拉伸,轧制,弯曲或平坦化成形,并且可以用于例如电接触开关,磁滞电动机和其它磁致动装置的装置中。 本发明的合金的制备可以通过处理退火和老化或变形和老化。
    • 97. 发明授权
    • High remanence Fe-Mo-Ni alloys for magnetically actuated devices
    • 用于磁力驱动装置的高剩磁Fe-Mo-Ni合金
    • US4340434A
    • 1982-07-20
    • US178832
    • 1980-08-18
    • Sungho JinThomas H. Tiefel
    • Sungho JinThomas H. Tiefel
    • C21D8/12C22C38/08C22C38/12H01F1/04C04B35/00
    • H01F1/04C22C38/08C22C38/12C21D8/1233
    • Magnetically actuated devices such as, e.g., switches and synchronizers typically comprise a magnetically semihard component having a square B--H hysteresis loop and high remanent induction. Among alloys having such properties are Co--Fe--V, Co--Fe--Nb, and Co--Fe--Ni--Al--Ti alloys which, however, contain undesirably large amounts of cobalt.According to the invention, devices are equipped with a magnetically semihard, high-remanence Fe--Mo--Ni alloy which comprises Mo in a preferred amount in the range of 2-26 weight percent and Ni in a preferred amount in the range of 0.5-15 weight percent.Magnets made from alloys of the invention may be shaped, e.g., by cold drawing, rolling, bending, or flattening and may be used in devices such as, e.g., electrical contact switches, hysteresis motors, and other magnetically actuated devices.Preparation of alloys of the invention may be by a treatment of annealing and aging or deformation and aging.
    • 诸如开关和同步器的磁致动器件通常包括具有平方B-H磁滞回线和高剩磁感应的磁半硬件部件。 在具有这种性能的合金中,Co-Fe-V,Co-Fe-Nb和Co-Fe-Ni-Al-Ti合金,然而,其含有不期望的大量的钴。 根据本发明,装置配备有磁半硬,高剩余的Fe-Mo-Ni合金,其包含优选量在2-26重量%范围内的Mo和0.5重量%的优选量的Mo, 15重量%。 由本发明的合金制成的磁体可以例如通过冷拉伸,轧制,弯曲或平坦化成形,并且可以用于例如电接触开关,磁滞电动机和其它磁致动装置的装置中。 本发明的合金的制备可以通过处理退火和老化或变形和老化。
    • 98. 发明授权
    • Fe-Cr-Co magnetic alloy processing
    • Fe-Cr-Co磁性合金加工
    • US4174983A
    • 1979-11-20
    • US924137
    • 1978-07-13
    • Gilbert Y. ChinSungho JinJohn T. PlewesBud C. Wonsiewicz
    • Gilbert Y. ChinSungho JinJohn T. PlewesBud C. Wonsiewicz
    • C22C38/00C21D6/00H01F1/04H01F1/02
    • C21D6/002H01F1/04
    • A method is disclosed for making a metallic body having desirable magnetic properties. The metallic body is made from an alloy which contains Fe, Cr, and Co and which may also contain one or several additional ferrite forming elements such as, e.g., Zr, Mo, V, Nb, Ta, Ti, Al, Si, or W. According to the disclosed method the alloy is cooled at a rate of at least 60 degrees C. per hour from an initial temperature at which the alloy is in an essentially single phase alpha state to a second temperature which is in a vicinity of 600 degrees C. Subsequently, the alloy is cooled at a second, slower rate to a third temperature which is in the vicinity of 525 degrees C.The disclosed method allows for a relatively broad range of initial temperatures, is relatively insensitive to compositional variations of the alloy, and permits simple reclamation of suboptimally treated parts. As a consequence, the method is particularly suited for large scale industrial production of permanent magnets as may be used, e.g., in relays, ringers, and electro-acoustic transducers.
    • 公开了一种用于制造具有期望磁性的金属体的方法。 金属体由含有Fe,Cr和Co的合金制成,并且还可以含有一种或几种额外的铁素体形成元素,例如Zr,Mo,V,Nb,Ta,Ti,Al,Si或 W.根据所公开的方法,合金以从合金基本上单相α状态的初始温度至低于600℃的第二温度以每小时至少60摄氏度的速率冷却 随后,将合金以第二较慢的速率冷却至525摄氏度附近的第三温度。所公开的方法允许相对宽的初始温度范围对于组成变化相对不敏感 合金,并允许对次优处理部件进行简单回收。 因此,该方法特别适用于可用于例如继电器,振铃器和电声换能器中的永久磁铁的大规模工业生产。