公开(公告)号：US5221375A

公开(公告)日：1993-06-22

申请号：US660450

申请日：1991-02-22

申请人： Junichi Nagahora ,  Kazuo Aikawa ,  Katsumasa Ohtera ,  Hideki Takeda ,  Keiko Yamagata

发明人： Junichi Nagahora ,  Kazuo Aikawa ,  Katsumasa Ohtera ,  Hideki Takeda ,  Keiko Yamagata

IPC分类号： C22C21/00 ,  C22C45/08

CPC分类号： C22C45/08

摘要： Disclosed is a corrosion resistant aluminum-based alloy which is composed of a compound having a composition consisting of the general formula: Al.sub.a M.sub.b Mo.sub.c X.sub.d Cr.sub.e wherein: M is one or more metal elements selected from the group consisting of Ni, Fe, Co, Ti, V, Mn, Cu and Ta; X is Zr or a combination of Zr and Hf; and a, b, c, d and e are, in atomic percentages; 50%.ltoreq.a.ltoreq.89%, 1%.ltoreq.b.ltoreq.25%, 2%.ltoreq.c.ltoreq.15%, 4%.ltoreq.d.ltoreq.20% and 4%.ltoreq.e.ltoreq.20%, the compound being at least 50% by volume composed of an amorphous phase. The Al-based alloy exhibits a very high corrosion resistance in severe corrosive environments, such as hydrochloric acid solution or sodium hydroxide solution, due to the formation of a highly passivative protective film. Therefore, the alloy exhibits a good durability in long services under such severe corrosive environments.

公开(公告)号：US5122205A

公开(公告)日：1992-06-16

申请号：US513242

申请日：1990-04-23

申请人： Tsuyoshi Masumoto ,  Akihisa Inoue ,  Junichi Nagahora ,  Katsumasa Ohtera ,  Kazuo Aikawa ,  Madoka Nakajima ,  Keiko Yamagata

发明人： Tsuyoshi Masumoto ,  Akihisa Inoue ,  Junichi Nagahora ,  Katsumasa Ohtera ,  Kazuo Aikawa ,  Madoka Nakajima ,  Keiko Yamagata

IPC分类号： C22C45/08

CPC分类号： C22C45/08

摘要： The present invention provides a corrosion resistant aluminum-based alloy consisting of a compound which has a composition represented by the general formula:Al.sub.a M.sub.b Mo.sub.c Hf.sub.d Cr.sub.ewherein:M is at least one metal element selected from Ni, Fe and Co and a, b, c, d and e are atomic percentages falling within the following ranges: 50%.ltoreq.a.ltoreq.88%, 2%.ltoreq.b.ltoreq.25%, 2%.ltoreq.c.ltoreq.15%, 4%.ltoreq.d.ltoreq.20% and 4%.ltoreq.e.ltoreq.20%,the compound being at least 50% by volume composed of an amorphous phase. The aluminum-based alloys not only have a high degree of hardness, strength and heat resistance but also exhibit a significantly improved corrosion resistance.

公开(公告)号：US06627008B1

公开(公告)日：2003-09-30

申请号：US09566131

申请日：2000-05-05

申请人： Takeshi Taniguchi ,  Toshio Arai ,  Junichi Nagahora

发明人： Takeshi Taniguchi ,  Toshio Arai ,  Junichi Nagahora

IPC分类号： C22C4510

CPC分类号： C22C45/005 ,  C22C45/00 ,  C22C45/08 ,  C22C45/10

摘要： A grooved substrate which has a groove for aligning or positioning an optical fiber therein and which can be advantageously used in a multifiber optical connector or for aligning a multiple optical fiber is formed of an amorphous alloy possessing at least a glass transition region, preferably a glass transition region of not less than 30 K in temperature width. Particularly, the amorphous alloy of M1—M2 system or M1—M2—La system (M1: Zr and/or Hf, M2: Ni, Cu, Fe, Co, Mn, Nb, Ti, V, Cr, Zn, Al, and/or Ga, La: rare earth element) possesses a wide range of &Dgr;Tx and thus can be advantageously used as a material for the grooved substrate. Such a grooved substrate can be manufactured with high mass-productivity by a metal mold casting method or molding method.

摘要翻译： 具有用于在其中对准或定位光纤的槽的带沟槽基板，其可以有利地用于多光纤光学连接器或用于对准多根光纤的方法由具有至少玻璃化转变区域，优选玻璃化的非晶态合金形成 过渡区域温度宽度不小于30K。 特别地，M 1 -M 2系统或M 1 -M 2 -La系统（M 1：Zr和/或Hf，M 2：Ni，Cu， Fe，Co，Mn，Nb，Ti，V，Cr，Zn，Al和/或Ga，La：稀土元素）具有宽范围的DeltaTx，因此可以有利地用作沟槽基板的材料。 可以通过金属模铸造法或模塑法制造具有高批量生产率的这种开槽基板。

公开(公告)号：US6044893A

公开(公告)日：2000-04-04

申请号：US66052

申请日：1998-04-27

申请人： Takeshi Taniguchi ,  Junichi Nagahora

发明人： Takeshi Taniguchi ,  Junichi Nagahora

IPC分类号： B22D18/02 ,  B22D17/12 ,  B22D17/20 ,  B22D17/22 ,  B22D17/28 ,  B22D17/30 ,  B22D18/04 ,  B22D18/06 ,  B81C99/00 ,  C22C45/10 ,  B22D31/00

CPC分类号： B22D17/30 ,  B22D17/12 ,  B22D17/20 ,  B22D17/2076 ,  B22D17/28 ,  B22D18/04

摘要： A method and apparatus for producing a formed article of amorphous alloy by a simple process are disclosed. A molding apparatus comprises a forced cooling casting mold which is provided with a sprue and at least one molding cavity communicating with the sprue and further with a cutting member disposed in the casting mold movably in the direction of the sprue, a melting vessel movable in the direction of the sprue, and a molten metal transferring member disposed slidably in the melting vessel or the molding cavity of the casting mold. A formed article of amorphous alloy is obtained by melting an alloying material in the vessel, forcibly transferring the resultant molten alloy into the molding cavity by means of the molten metal transferring member and meanwhile exerting pressure on the molten alloy, rapidly cooling and solidifying the molten alloy in the casting mold thereby conferring amorphousness on the alloy and meanwhile gradually cooling and solidifying the molten alloy in the part of the sprue of the casting mold thereby crystallizing the alloy in that part, cutting the part which has been embrittled by the crystallization by means of the cutting member, and thereafter separating the melting vessel from the casting mold.

公开(公告)号：US06274082B1

公开(公告)日：2001-08-14

申请号：US09388925

申请日：1999-09-02

申请人： Junichi Nagahora ,  Koju Tachi ,  Koji Saito ,  Teruaki Onogi

发明人： Junichi Nagahora ,  Koju Tachi ,  Koji Saito ,  Teruaki Onogi

IPC分类号： B22F302

CPC分类号： B22F7/06 ,  B22F2998/00 ,  B22F2999/00 ,  B22F3/04 ,  B22F3/17 ,  B22F3/18 ,  B22F3/20 ,  B22F1/0044 ,  B22F9/082

摘要： A process for producing a shaped article, comprising: preparing a first powder having high strength and rigidity after completion of forming, and a second powder having abrasion resistance and surface hardness after completion of forming; compacting those powders to provide a forming material comprising a base part comprising the first powder and a supplemental part comprising the second powder; and forming the forming material into a shaped article by plastic processing, thereby producing a shaped article in which the base part and the supplemental part have different characteristics. The first powder preferably comprises a rapidly-solidified alloy powder and the second powder preferably comprises at least one member selected from among Al2O3, Si3N4, BN, SiC, Al4C3, Al8B2O15 and B2O or a mixture of the member and the first powder which may be the same one actually used as the first powder or another one having a different compositions from that of the actually used first powder. The resultant shaped alloy material has an advantageous combination of plural excellent properties, such as high strength and abrasion resistance.

摘要翻译： 一种成型制品的制造方法，其特征在于，包括：在成形完成后，制备具有高强度和刚性的第一粉末，以及在成型完成后具有耐磨性和表面硬度的第二粉末; 压制这些粉末以提供成形材料，其包括包含第一粉末的基底部分和包含第二粉末的补充部件; 并且通过塑性加工将成形材料形成成型制品，由此生产成型制品，其中基部和补充部件具有不同的特性。 第一粉末优选包括快速固化的合金粉末，并且第二粉末优选包含选自Al 2 O 3，Si 3 N 4，BN，SiC，Al 4 C 3，Al 8 B 2 O 15和B 2 O中的至少一种，或者该成员和第一粉末的混合物，其可以是 与实际使用的第一粉末相同的粉末或与实际使用的第一粉末具有不同组成的另一种粉末。 所得到的成形合金材料具有多种优异的组合，例如高强度和耐磨性。

公开(公告)号：US6158900A

公开(公告)日：2000-12-12

申请号：US993573

申请日：1997-12-18

申请人： Kazuo Omiya ,  Takeshi Taniguchi ,  Junichi Nagahora ,  Akihisa Inoue

发明人： Kazuo Omiya ,  Takeshi Taniguchi ,  Junichi Nagahora ,  Akihisa Inoue

IPC分类号： G02B6/36 ,  B81B1/00 ,  B81C99/00 ,  C22C45/04 ,  G02B6/38

CPC分类号： G02B6/3854 ,  G02B6/3865 ,  G02B6/3837 ,  G02B6/3861

摘要： Disclosed are ferrules for an optical fiber connector provided with an insertion hole for setting an optical fiber in position and methods for the production thereof. The ferrule is formed of an amorphous alloy possessing at least a glass transition region, preferably a glass transition region of not less than 30 K in temperature width. Preferably the ferrule is formed of an amorphous alloy having a composition represented by the following general formula and containing an amorphous phase in a volumetric ratio of at least 50%:X.sub.a M.sub.b Al.sub.cwherein X represents at least one element selected from the group consisting of Zr and Hf, M represents at least one element selected from the group consisting of Mn, Fe, Co, Ni, and Cu, and a, b, and c represent such atomic percentages as respectively satisfy 25.ltoreq.a.ltoreq.85, 5.ltoreq.b.ltoreq.70, and 0

摘要翻译： 公开了一种用于光纤连接器的套圈，其具有用于将光纤设置在其上的插入孔和用于制造光纤的方法。 套圈由具有至少玻璃化转变区域的非晶合金形成，优选玻璃化转变区域的温度宽度不低于30K。 优选地，套圈由具有由以下通式表示的组成的无定形合金形成，并且含有至少50％的体积比的非晶相：XaMbAlc，其中X表示选自Zr和Hf中的至少一种元素， M表示选自Mn，Fe，Co，Ni和Cu中的至少一种元素，a，b和c分别表示原子百分数，分别满足25≤a≤85,5， = b

公开(公告)号：US6074497A

公开(公告)日：2000-06-13

申请号：US898590

申请日：1997-07-22

申请人： Akihisa Inoue ,  Masahiro Oguchi ,  Junichi Nagahora ,  Masato Otsuki ,  Toru Kohno ,  Shin Takeda ,  Yuma Horio

发明人： Akihisa Inoue ,  Masahiro Oguchi ,  Junichi Nagahora ,  Masato Otsuki ,  Toru Kohno ,  Shin Takeda ,  Yuma Horio

IPC分类号： C22C1/05 ,  B22F5/00 ,  C22C1/04 ,  C22C1/10 ,  C22C21/00 ,  C22C45/08

CPC分类号： B22F9/082 ,  C22C1/0416 ,  C22C21/00 ,  C22C45/08 ,  Y10T428/12486

摘要： A highly wear-resistant aluminum-based composite alloy has improved wear resistant itself and the wear amount of the opposed Fe-based material is decreased as compared with the conventional wear-resistant aluminum alloys. The inventive composite alloy has a structure that at least either a dispersing phase selected from the group consisting of hard fine particles or a solid-lubricant particles having average diameter of 10 um or less is dispersed in an aluminum-alloy matrix which contains quasi-crystals.

摘要翻译： 高耐磨的铝基复合合金本身具有改善的耐磨性，与常规耐磨铝合金相比，相对的Fe基材料的磨损量降低。 本发明的复合合金具有以下结构：将选自硬细颗粒或平均粒径为10μm以下的固体润滑剂颗粒的分散相中的至少一种分散在含有准晶体的铝合金基体中 。

公开(公告)号：US5826456A

公开(公告)日：1998-10-27

申请号：US713844

申请日：1996-09-13

申请人： Masataka Kawazoe ,  Junichi Nagahora ,  Kenji Higashi

发明人： Masataka Kawazoe ,  Junichi Nagahora ,  Kenji Higashi

IPC分类号： B21C23/00 ,  B21C23/01 ,  B21C25/00 ,  B21C27/00 ,  C22C21/06 ,  C22F1/00 ,  C22F1/047 ,  C22F1/05

CPC分类号： C22F1/047 ,  B21C23/00 ,  B21C23/001 ,  B21C23/002 ,  B21C23/01

摘要： An aluminum alloy material of high strength and high toughness and a method for the production thereof are disclosed. The material of high strength and high toughness is produced by laterally changing the direction of extrusion of the aluminum alloy thereby imparting shear deformation productive of such strain intensity equals as an equivalent elongation of not less than 220%, preferably not less than 10,000% to the material in the process of extrusion and reducing the average particle diameter of the grains of a microstructure of the material to minute grains not exceeding 1 micron in diameter. The step of extrusion is carried out at a temperature not exceeding 300.degree. C., preferably not exceeding the recrystallization temperature of the alloy, and more preferably not exceeding the recovery temperature thereof.

摘要翻译： 公开了一种高强度，高韧性的铝合金材料及其制造方法。 通过横向改变铝合金的挤出方向产生高强度和高韧性的材料，从而赋予这种应变强度的剪切变形生产力等于作为不小于220％，优选不小于10,000％的等效伸长率 在挤出过程中的材料，并将材料的微结构的晶粒的平均粒径降低至不超过1微米直径的微小晶粒。 挤出步骤在不超过300℃的温度下进行，优选不超过合金的再结晶温度，更优选不超过其恢复温度。

公开(公告)号：US06213649B1

公开(公告)日：2001-04-10

申请号：US09075190

申请日：1998-05-11

申请人： Kazuo Omiya ,  Takeshi Taniguchi ,  Junichi Nagahora

发明人： Kazuo Omiya ,  Takeshi Taniguchi ,  Junichi Nagahora

IPC分类号： G02B626

CPC分类号： G02B6/3865 ,  G02B6/3854 ,  G02B6/3877

摘要： Disclosed are a sleeve for abutting, aligning, and retaining opposed optical connector ferrules and methods for the production thereof. The sleeve has a tubular body provided at three points on the inner wall surface thereof with ridges of an arcuate cross section extending from one to the other end of the tubular body in the longitudinal direction thereof and a slit formed therein in the longitudinal direction thereof. The sleeve is formed of an amorphous alloy possessing at least a glass transition region, preferably a glass transition region of not less than 30 K in temperature width. Preferably the sleeve is formed of an amorphous alloy having a composition represented by the following general formula and containing an amorphous phase in a volumetric ratio of at least 50%: XaMbAlc wherein X represents either or both of two elements, Zr and Hf, M represents at least one element selected from the group consisting of Mn, Fe, Co, Ni, and Cu, and a, b, and c represent such atomic percentages as respectively satisfy 25≦a≦85, 5≦b≦70, and 0

摘要翻译： 公开了用于邻接，对准和保持相对的光学连接器套圈的套筒及其制造方法。 套管具有在其内壁表面上的三个点上设置有沿其纵向方向从管状体的一端延伸到另一端的弓形横截面的脊部和在其纵向方向上形成的狭缝的管状体。 该套筒是由具有至少玻璃化转变区域的非晶合金形成的，优选玻璃化转变区域的温度宽度不低于30K。 优选地，套筒由具有由以下通式表示的组成的非晶态合金形成，并且含有至少50％的体积比的非晶相：其中X表示两种元素中的一种或两种，Zr和Hf，M表示 选自Mn，Fe，Co，Ni和Cu中的至少一种元素，a，b和c表示分别满足25 <= a <=85,5≤b≤70的原子百分比， 0

公开(公告)号：US5648174A

公开(公告)日：1997-07-15

申请号：US420606

申请日：1995-04-12

申请人： Hiroshi Yamagata ,  Akihisa Inoue ,  Tsuyoshi Masumoto ,  Junichi Nagahora

发明人： Hiroshi Yamagata ,  Akihisa Inoue ,  Tsuyoshi Masumoto ,  Junichi Nagahora

IPC分类号： C23C14/00 ,  C23C14/06 ,  C23C14/14 ,  C23C14/58

CPC分类号： C23C14/5806 ,  C23C14/0042 ,  C23C14/06 ,  C23C14/0688 ,  C23C14/14 ,  C23C14/58 ,  C23C14/584 ,  Y10T428/24942 ,  Y10T428/25 ,  Y10T428/31678

摘要： A hard thin film having fine crystalline ceramic particles dispersed in a metallic matrix phase is disclosed. The production of the film is effected by first depositing a substantially amorphous film on a substrate and then heat-treating the deposited film. Deposition of the film on the substrate is carried out by using a source of evaporation having a composition represented by the general formula: Al.sub.a M.sub.b, wherein M stands for at least one element selected from the group consisting of Ti, Ta, V, Cr, Zr, Nb, Mo, Hf, W, Mn, Fe, Co, Ni, and Cu and "a" and "b" respectively stand for atomic % in the ranges of 60.ltoreq.a.ltoreq.98.5 and 1.5.ltoreq.b.ltoreq.40, providing a+b=100. Deposition is effected by a physical vapor deposition process in an atmosphere of an inert gas containing a reaction gas while controlling the feed rate of the reaction gas into a chamber in such a manner that the partial pressure of the react/on gas is kept constant or varied continuously or stepwise. By this method, there can be obtained a hard composite film having fine ceramic particles dispersed in a metallic matrix phase or a dense, hard, and composite film having a composition and structure obliquely varied from a substantially crystalline metallic phase to a crystalline ceramic phase in the direction of thickness of the film.

摘要翻译： 公开了一种具有分散在金属基体相中的细晶体陶瓷颗粒的硬质薄膜。 通过首先在基板上沉积基本上非晶的膜然后对沉积的膜进行热处理来实现膜的制备。 通过使用具有由通式AlaMb表示的组成的蒸发源进行膜的沉积，其中M表示选自Ti，Ta，V，Cr，Zr中的至少一种元素 ，Nb，Mo，Hf，W，Mn，Fe，Co，Ni和Cu，“a”和“b”分别表示60≤a≤98.5的范围内的原子％ b = 40，提供+ b = 100。 通过在包含反应气体的惰性气体的气氛中的物理气相沉积工艺进行沉积，同时将反应气体的进料速率控制在室内，使得反应/导入气体的分压保持恒定，或 连续或逐步变化。 通过该方法，可以获得具有分散在金属基体相中的细微陶瓷颗粒的硬质复合膜或致密的，硬的和复合的膜，其具有从基本上结晶的金属相到结晶陶瓷相倾斜变化的组成和结构 膜的厚度方向。