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1. 发明授权

US5242508A Method of making permanent magnets 失效
标题翻译：制造永久磁铁的方法
公开(公告)号：US5242508A
公开(公告)日：1993-09-07
申请号：US869897
申请日：1992-04-15
申请人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
发明人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
IPC分类号： B22F1/02 , B22F9/08 , H01F1/057
CPC分类号： B22F9/082 , B22F1/02 , H01F1/0572 , H01F1/0574 , H01F1/0576
摘要： A method for making an isotropic permanent magnet comprises atomizing a melt of a rare earth-transition metal alloy (e.g., an Nd--Fe--B alloy enriched in Nd and B) under conditions to produce protectively coated, rapidly solidified, generally spherical alloy particles wherein a majority of the particles are produced/size classified within a given size fraction (e.g., 5 to 40 microns diameter) exhibiting optimum as-atomized magnetic properties and subjecting the particles to concurrent elevated temperature and elevated isotropic pressure for a time effective to yield a densified, magnetically isotropic magnet compact having enhanced magnetic properties and mechanical properties.
摘要翻译：制造各向同性永磁体的方法包括在条件下使稀土 - 过渡金属合金（例如，富含Nd和B的Nd-Fe-B合金）的熔体雾化以产生保护性涂覆的，快速凝固的，通常为球形的合金颗粒其中大部分颗粒被生产/尺寸分类为显示最佳的雾化磁性能的给定尺寸级分（例如，5至40微米直径），并使颗粒同时升高温度和提高的各向同性压力达到有效产生的时间具有增强的磁特性和机械性能的致密化的磁各向同性磁体。

2. 发明授权

US5470401A Method of making bonded or sintered permanent magnets 失效
标题翻译：制造粘结或烧结永磁体的方法
公开(公告)号：US5470401A
公开(公告)日：1995-11-28
申请号：US97442
申请日：1993-07-26
申请人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
发明人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
IPC分类号： B22F3/00 , B22F1/02 , B22F9/08 , H01F1/057 , H01F1/08 , H01F41/02
CPC分类号： H01F1/0574 , B22F1/02 , H01F1/0572 , H01F1/0577 , H01F1/0578
摘要： An isotropic permanent magnet is made by mixing a thermally responsive, low viscosity binder and atomized rare earth-transition metal (e.g., iron) alloy powder having a carbon-bearing (e.g., graphite) layer thereon that facilitates wetting and bonding of the powder particles by the binder. Prior to mixing with the binder, the atomized alloy powder may be sized or classified to provide a particular particle size fraction having a grain size within a given relatively narrow range. A selected particle size fraction is mixed with the binder and the mixture is molded to a desired complex magnet shape. A molded isotropic permanent magnet is thereby formed. A sintered isotropic permanent magnet can be formed by removing the binder from the molded mixture and thereafter sintering to full density.
摘要翻译：通过混合热响应性低粘度粘合剂和在其上具有含碳（例如石墨）层的雾化稀土过渡金属（例如铁）合金粉末来制备各向同性永磁体，其有利于粉末颗粒的润湿和结合通过粘合剂。在与粘合剂混合之前，可以将雾化合金粉末的尺寸或分级，以提供具有在给定的相对较窄范围内的晶粒尺寸的特定粒度分数。将选定的粒度级分与粘合剂混合，并将混合物模制成所需的复合磁体形状。由此形成各向同性永久磁铁。烧结的各向同性永磁体可以通过从模塑混合物中除去粘合剂，然后烧结成全密度而形成。

3. 发明授权

US5240513A Method of making bonded or sintered permanent magnets 失效
标题翻译：制造粘结或烧结永磁体的方法
公开(公告)号：US5240513A
公开(公告)日：1993-08-31
申请号：US593943
申请日：1990-10-09
申请人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
发明人： R. William McCallum , Kevin W. Dennis , Barbara K. Lograsso , Iver E. Anderson
IPC分类号： B22F3/00 , B22F1/02 , B22F9/08 , H01F1/057 , H01F1/08 , H01F41/02
CPC分类号： H01F1/0574 , B22F1/02 , H01F1/0572 , H01F1/0577 , H01F1/0578
摘要： An isotropic permanent magnet is made by mixing a thermally responsive, low viscosity binder and atomized rare earth-transition metal (e.g., iron) alloy powder having a carbon-bearing (e.g., graphite) layer thereon that facilitates wetting and bonding of the powder particles by the binder. Prior to mixing with the binder, the atomized alloy powder may be sized or classified to provide a particular particle size fraction having a grain size within a given relatively narrow range. A selected particle size fraction is mixed with the binder and the mixture is molded to a desired complex magnet shape. A molded isotropic permanent magnet is thereby formed. A sintered isotropic permanent magnet can be formed by removing the binder from the molded mixture and thereafter sintering to full density.
摘要翻译：通过混合热响应性低粘度粘合剂和在其上具有含碳（例如石墨）层的雾化稀土过渡金属（例如铁）合金粉末来制备各向同性永磁体，其有利于粉末颗粒的润湿和结合通过粘合剂。在与粘合剂混合之前，可以将雾化合金粉末的尺寸或分级，以提供具有在给定的相对较窄范围内的晶粒尺寸的特定粒度分数。将选定的粒度级分与粘合剂混合，并将混合物模制成所需的复合磁体形状。由此形成各向同性永久磁铁。烧结的各向同性永磁体可以通过从模塑混合物中除去粘合剂，然后烧结成全密度而形成。

4. 发明授权

US5433978A Method of making quasicrystal alloy powder, protective coatings and articles 失效
标题翻译：制备准晶合金粉末，保护涂层和制品的方法
公开(公告)号：US5433978A
公开(公告)日：1995-07-18
申请号：US127264
申请日：1993-09-27
申请人： Jeffrey E. Shield , Alan I. Goldman , Iver E. Anderson , Timothy W. Ellis , R. William McCallum , Daniel J. Sordelet
发明人： Jeffrey E. Shield , Alan I. Goldman , Iver E. Anderson , Timothy W. Ellis , R. William McCallum , Daniel J. Sordelet
IPC分类号： B22F1/00 , B22F9/08 , C22C1/04 , C22C21/12
CPC分类号： B22F9/082 , B22F1/0007 , C22C1/0416 , C22C21/12 , B22F2998/00
摘要： A method of making quasicrystalline alloy particulates wherein an alloy is superheated and the melt is atomized to form generally spherical alloy particulates free of mechanical fracture and exhibiting a predominantly quasicrystalline in the atomized condition structure. The particulates can be plasma sprayed to form a coating or consolidated to form an article of manufacture.
摘要翻译：一种制备准晶体合金微粒的方法，其中合金过热并且熔体被雾化以形成通常不具有机械断裂的球形合金微粒并且在雾化状态结构中显示出主要的准晶体。颗粒可以被等离子体喷涂以形成涂层或固结以形成制品。

5. 发明授权

US06352649B1 Material for magnetostrictive sensors and other applications based on ferrite materials 失效
标题翻译：基于铁氧体材料的磁致伸缩传感器和其他应用的材料
公开(公告)号：US06352649B1
公开(公告)日：2002-03-05
申请号：US09550454
申请日：2000-04-17
申请人： R. William McCallum , John E. Snyder , Kevin W. Dennis , Carl R. Schwichtenberg , David C. Jiles
发明人： R. William McCallum , John E. Snyder , Kevin W. Dennis , Carl R. Schwichtenberg , David C. Jiles
IPC分类号： C22C2912
CPC分类号： C22C29/12 , G01L1/125 , G01L3/102 , G01L3/103 , H01F1/113 , H01L41/20
摘要： The present invention provides magnetostrictive composites that include an oxide ferrite and metallic binders which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
摘要翻译：本发明提供了包含氧化物铁氧体和金属粘合剂的磁致伸缩复合材料，其提供使磁致伸缩组合物有效地用作传感器和致动器的机械性能。

6. 发明授权

US5690889A Production method for making rare earth compounds 失效
标题翻译：稀土化合物的制备方法
公开(公告)号：US5690889A
公开(公告)日：1997-11-25
申请号：US605324
申请日：1996-02-15
申请人： R. William McCallum , Timothy W. Ellis , Kevin W. Dennis , Robert J. Hofer , Daniel J. Branagan
发明人： R. William McCallum , Timothy W. Ellis , Kevin W. Dennis , Robert J. Hofer , Daniel J. Branagan
IPC分类号： C01B35/12 , C22B59/00 , C22C1/05 , H01F1/057 , C22C38/00
CPC分类号： H01F1/057 , C01B35/128 , C22B59/00 , C22C1/053
摘要： A method of making a rare earth compound, such as a earth-transition metal permanent magnet compound, without the need for producing rare earth metal as a process step, comprises carbothermically reacting a rare earth oxide to form a rare earth carbide and heating the rare earth carbide, a compound-forming reactant (e.g. a transition metal and optional boron), and a carbide-forming element (e.g. a refractory metal) that forms a carbide that is more thermodynamically favorable than the rare earth carbide whereby the rare earth compound (e.g. Nd.sub.2 Fe.sub.14 B or LaNi.sub.5) and a carbide of the carbide-forming element are formed.
摘要翻译：制造稀土类化合物如土 - 过渡金属永磁体化合物的方法，不需要制备稀土金属作为工艺步骤，包括使稀土氧化物碳化热反应形成稀土碳化物并加热稀土碳化物，化合物形成反应物（例如过渡金属和任选的硼）和形成碳化物的碳化物形成元素（例如难熔金属），其形成比稀土化碳更热力学上有利的碳化物，由此稀土化合物例如Nd2Fe14B或LaNi5），并且形成碳化物形成元件的碳化物。

7. 发明授权

US6093337A Material for magnetostrictive sensors and other applications based on ferrite materials 失效
标题翻译：基于铁氧体材料的磁致伸缩传感器和其他应用的材料
公开(公告)号：US6093337A
公开(公告)日：2000-07-25
申请号：US164981
申请日：1998-10-01
申请人： R. William McCallum , John E. Snyder , Kevin W. Dennis , Carl R. Schwichtenberg , David C. Jiles
发明人： R. William McCallum , John E. Snyder , Kevin W. Dennis , Carl R. Schwichtenberg , David C. Jiles
IPC分类号： C22C29/12 , G01L1/12 , G01L3/10 , H01F1/113 , H01L41/20
CPC分类号： H01L41/20 , C22C29/12 , G01L1/125 , G01L3/102 , G01L3/103 , H01F1/113
摘要： The present invention provides magnetostrictive compositions that include an oxide ferrite which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.
摘要翻译：本发明提供磁致伸缩组合物，其包括氧化物铁氧体，其提供使磁致伸缩组合物有效用作传感器和致动器的机械性能。

8. 发明授权

US4637967A Electrodes made with disordered active material and methods of making the same 失效
标题翻译：用无序的活性物质制成的电极和制造相同的方法
公开(公告)号：US4637967A
公开(公告)日：1987-01-20
申请号：US770704
申请日：1985-08-29
申请人： John E. Keem , Richard C. Bergeron , Russell C. Custer , R. William McCallum
发明人： John E. Keem , Richard C. Bergeron , Russell C. Custer , R. William McCallum
IPC分类号： H01M4/24 , H01M4/26 , H01M4/38 , H01M6/10 , H01M10/04 , H01M10/28 , H01M10/34 , H01M4/86 , H01M4/90
CPC分类号： H01M10/0413 , H01M10/04 , H01M10/045 , H01M10/345 , H01M4/242 , H01M4/383 , H01M6/10 , Y10S420/90
摘要： The present invention provides an electrode which uses a disordered active material preferably formed by rapid solidification. The active material does not need a binder to be used as an electrode, and thus, is considered self-supporting. The material also is substantially non-porous or impermeable to an electrolyte and when used as an electrode exhibits an increase in cell capacity with improved resistance to corrosion. An electrode of the present invention provides greatly improved cycle life and energy density without a significant decrease in cell capacity. Methods of making the electrode by rapidly solidifying a disordered material are also included. A method of assembling an electrochemical cell using a self-supporting electrode includes the step of producing a disordered active material and aligning the material in a predetermined position in a cell casing.
摘要翻译：本发明提供一种使用优选通过快速凝固形成的无序活性物质的电极。活性物质不需要用作电极的粘合剂，因此被认为是自支撑的。该材料也基本上是无孔的或不可渗透的电解质，当用作电极时，电池容量增加，抗腐蚀性提高。本发明的电极提供极大改善的循环寿命和能量密度，而不会显着降低电池容量。还包括通过快速凝固无序材料制造电极的方法。使用自支撑电极组装电化学电池的方法包括产生无序的活性材料并将材料对准在电池壳体中的预定位置的步骤。

9. 发明授权

US5486240A Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making 失效
标题翻译：硬质合金/氮化物精细稀土 - 铁 - 硼永磁体及其制造方法
公开(公告)号：US5486240A
公开(公告)日：1996-01-23
申请号：US232837
申请日：1994-04-25
申请人： R. William McCallum , Daniel J. Branagan
发明人： R. William McCallum , Daniel J. Branagan
IPC分类号： C22C1/04 , H01F1/057
CPC分类号： H01F1/0571 , C22C1/0441 , B22F2998/10
摘要： A method of making a permanent magnet wherein 1) a melt is formed having a base alloy composition comprising RE, Fe and/or Co, and B (where RE is one or more rare earth elements) and 2) TR (where TR is a transition metal selected from at least one of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al) and at least one of C and N are provided in the base alloy composition melt in substantially stoichiometric amounts to form a thermodynamically stable compound (e.g. TR carbide, nitride or carbonitride). The melt is rapidly solidified in a manner to form particulates having a substantially amorphous (metallic glass) structure and a dispersion of primary TRC, TRN and/or TRC/N precipitates. The amorphous particulates are heated above the crystallization temperature of the base alloy composition to nucleate and grow a hard magnetic phase to an optimum grain size and to form secondary TRC, TRN and/or TRC/N precipitates dispersed at grain boundaries. The crystallized particulates are consolidated at an elevated temperature to form a shape. During elevated temperature consolidation, the primary and secondary precipitates act to pin the grain boundaries and minimize deleterious grain growth that is harmful to magnetic properties.
摘要翻译：一种制造永磁体的方法，其中1）形成具有包含RE，Fe和/或Co和B（其中RE是一种或多种稀土元素）的基础合金组成的熔体和2）TR（其中TR是从Ti，Zr，Hf，V，Nb，Ta，Cr，Mo，W和Al中的至少一种中选择的过渡金属）和C和N中的至少一种在基础合金组合物熔体中以基本上化学计量的量提供，形成热力学稳定的化合物（例如TR碳化物，氮化物或碳氮化物）。熔体以形成具有基本无定形（金属玻璃）结构的微粒和初级TRC，TRN和/或TRC / N沉淀物的分散体的方式快速凝固。将无定形颗粒加热到高于基础合金组合物的结晶温度以使硬磁相成核并生长至最佳晶粒尺寸，并形成分散在晶界处的二次TRC，TRN和/或TRC / N沉淀。结晶的颗粒在升高的温度下固结以形成形状。在高温固化期间，初级和次级沉淀物起着晶界的作用，并使有害磁性的有害晶粒生长最小化。

10. 发明授权

US5803992A Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making 失效
公开(公告)号：US5803992A
公开(公告)日：1998-09-08
申请号：US564425
申请日：1995-11-29
申请人： R. William McCallum , Daniel J. Branagan
发明人： R. William McCallum , Daniel J. Branagan
IPC分类号： C22C1/04 , H01F1/057
CPC分类号： H01F1/0571 , C22C1/0441 , B22F2998/10
摘要： A method of making a permanent magnet wherein 1) a melt is formed having a base alloy composition comprising RE, Fe and/or Co, and B (where RE is one or more rare earth elements) and 2) TR (where TR is a transition metal selected from at least one of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al) and at least one of C and N are provided in the base alloy composition melt in substantially stoichiometric amounts to form a thermodynamically stable compound (e.g. TR carbide, nitride or carbonitride). The melt is rapidly solidified in a manner to form particulates having a substantially amorphous (metallic glass) structure and a dispersion of primary TRC, TRN and/or TRC/N precipitates. The amorphous particulates are heated above the crystallization temperature of the base alloy composition to nucleate and grow a hard magnetic phase to an optimum grain size and to form secondary TRC, TRN and/or TRC/N precipitates dispersed at grain boundaries. The crystallized particulates are consolidated at an elevated temperature to form a shape. During elevated temperature consolidation, the primary and secondary precipitates act to pin the grain boundaries and minimize deleterious grain growth that is harmful to magnetic properties.

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