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1. 发明授权

US4400222A Method for treating surfaces 失效
标题翻译：表面处理方法
公开(公告)号：US4400222A
公开(公告)日：1983-08-23
申请号：US274276
申请日：1981-06-16
申请人： Norimasa Uchida
发明人： Norimasa Uchida
IPC分类号： C23C10/24 , C23C10/26 , B44D5/12
CPC分类号： C23C10/26 , C23C10/24
摘要： A method for treating surfaces is provided, in which a material to be treated, such as iron, iron alloys or the like is immersed in a molten bath prepared by adding 5 to 50 weight % of a metal cementing agent consisting of one or more selected from the group consisting of a Group Va element, a substance containing the Group Va element, a Group VIa element and a substance containing the Group VIa element to a salt bath agent consisting of a neutral salt containing 5 to 30 mol % of a borate admixed therewith, to form the carbide of the Group Va element or Group VIa element or the composite carbide of these elements on the surfaces of the material. To the molten bath there may be optionally added 1 to 10 weight % of an adjuvant consisting of one or more selected from the group consisting of the oxysalts of the Groups IVa, Va and VIa elements and/or 1 to 10 weight % of a metal or an alloy thereof selected from the group consisting of a Group IVa metal and an alloy thereof.
摘要翻译：提供了一种处理表面的方法，其中待处理材料如铁，铁合金等浸入熔融浴中，所述熔融浴通过加入5至50重量％的由一个或多个所选择的金属粘合剂由Va族元素，含有Va族元素的物质，VIa族元素和含有VIa族元素的物质组成的盐浴剂由含有5〜30摩尔％硼酸盐的中性盐组成的混合物从而在材料的表面上形成Va族元素或VIa族元素的碳化物或这些元素的复合碳化物。在熔融浴中，可以任选地加入1〜10重量％的佐剂组成的一种或多种，所述组合物选自由组Ⅳa，Ⅴa和Ⅵa元素和/或1-10wt％的金属组成的组或其选自由Ⅳa族金属及其合金组成的组的合金。

2. 发明授权

US5651842A High toughness high-speed steel member and manufacturing method 失效
标题翻译：高韧性高速钢构件及其制造方法
公开(公告)号：US5651842A
公开(公告)日：1997-07-29
申请号：US600153
申请日：1996-02-12
申请人： Hideki Nakamura , Junichi Nishida , Norimasa Uchida
发明人： Hideki Nakamura , Junichi Nishida , Norimasa Uchida
IPC分类号： C21D8/00 , C21D6/00 , C22C38/00 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/36
CPC分类号： C22C38/24 , C21D1/25 , C21D6/002 , C21D6/007 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/30 , C21D2211/004
摘要： Disclosed is a high-speed steel member and manufacturing method thereof. The member has Nb content of 0(incl.) to 2.0 (excl.) % in the hard state after hardening and tempering and in its micro-structure, contains either or both of M.sub.6 C and M.sub.2 C type carbides representing a rate of 0 to 2% to the total area, and the remainder substantially consisting of MC type carbide. The difference of crystallization temperatures is 30.degree. C. or more between MC type carbide and M.sub.6 C or M.sub.2 C type eutectic carbide. The high-speed steel member exhibits a high toughness and a small anisotropy of the mechanical property namely, a hardness of HRC 60 or more and a Charpy impact value ratio between the longitudinal direction and the direction perpendicular thereto in a forged material is 0.7 or more and are quite useful for plastic working.
摘要翻译：公开了一种高速钢构件及其制造方法。该成员在硬化和回火之后的硬态中的Nb含量为0（包括）至2.0（不含）％，并且在其微观结构中，包含表示0至2的速率的M6C和M2C型碳化物中的任一种或两者％至总面积，其余部分基本上由MC型碳化物组成。 MC型碳化物与M6C或M2C型共晶碳化物之间的结晶温度差为30℃以上。高速钢构件在锻造材料中具有高的韧性和小的各向异性的机械特性即HRC 60或更高的硬度和纵向方向与垂直于其的方向之间的夏比冲击值比为0.7以上并且对于塑料加工是非常有用的。

3. 发明授权

US5063116A Wire for dot printer 失效
标题翻译：线打印机线
公开(公告)号：US5063116A
公开(公告)日：1991-11-05
申请号：US619431
申请日：1990-11-29
申请人： Norimasa Uchida
发明人： Norimasa Uchida
IPC分类号： B41J2/25 , C22C33/02 , C22C38/00 , C22C38/30 , C22C38/36
CPC分类号： C22C38/36 , C22C33/0285 , Y10T428/12431
摘要： A powder metallurgy wire for a dot printer is disclosed which consists, by weight, of 1.5 to 2.8% C, 7.5 to 12.0% Cr, at least one kind selected from the group consisting of not more than 18.0% W and not more than 11.0% Mo which W and Mo meet the relationship of 12.ltoreq.W+2Mo.ltoreq.22, 3 to 10% V, 1.0 to 10% Co, not more than 1.0% Si, not more than 1.0% Mn, the balance Fe and incidental impurities, the value of the difference of (C-Ceq) being in the range of -0.5 to -0.15 where Ceq=0.06.times.%Cr+0.033.times.%W+0.063.times.%Mo+0.2.times.%V. According to the composition, corrosion resistance and wear resistance are considerably improved, with light weight and high toughness.

4. 发明授权

US4116684A High speed tool steel having high toughness 失效
标题翻译：具有高韧性的高速工具钢
公开(公告)号：US4116684A
公开(公告)日：1978-09-26
申请号：US776924
申请日：1977-03-11
申请人： Norimasa Uchida , Kingo Kiyonaga , Hideki Nakamura
发明人： Norimasa Uchida , Kingo Kiyonaga , Hideki Nakamura
IPC分类号： C22C38/00 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28
CPC分类号： C22C38/26 , C22C38/22 , C22C38/24 , C22C38/28
摘要： A high speed tool steel having high toughness as well as excellent wear resistance and heat resistance characteristics, this steel contains, by weight, C 0.7 - 1.4%, Si 0.5% max., Mn 0.5% max., Cr 3 - 6%, W 1 - 3.2%, Mo 5.5 - 7.5%, V 1 - 3.5%, Co 15% max., N 0.02 - 0.1%, one or more of Ti, Nb, and Zr 0.02 - 0.1% in total and the balance being Fe and incidental impurities. The relationship between tungsten and molybdenum contents of the steel is expressed in the formulated range 12% .ltoreq. W + 2Mo .ltoreq. 16%.
摘要翻译：该钢具有高韧性以及优异的耐磨性和耐热特性，该重量含有C 0.7-1.4％，Si 0.5％以上，Mn 0.5％以上，Cr 3〜6％ W 1〜3.2％，Mo 5.5〜7.5％，V 1〜3.5％，Co 15％以下，N 0.02〜0.1％，Ti，Nb，Zr中的一种以上为0.02〜0.1％，余量为铁和杂质。钢的钨和钼含量之间的关系用配方范围12％

5. 发明授权

US5754935A Vane material and process for preparing same 失效
标题翻译：叶片材料及其制备方法
公开(公告)号：US5754935A
公开(公告)日：1998-05-19
申请号：US258665
申请日：1994-06-10
申请人： Yutaka Kubo , Hideki Nakamura , Norimasa Uchida , Keiji Yamasaki
发明人： Yutaka Kubo , Hideki Nakamura , Norimasa Uchida , Keiji Yamasaki
IPC分类号： B22F5/00 , C22C33/02 , C22C38/00 , C22C38/36 , B22F3/12 , B22F5/04
CPC分类号： C22C33/0292
摘要： The present invention provides a vane material having an excellent scuffing resistance in a compressor employing an alternative Freon gas as a cooling medium and a process for the preparation thereof. In accordance with the present invention, a vane material is provided having a structure comprising a base material consisting essentially of 1.0 to 4.5% by weight of carbon, not more than 1.5% by weight of silicon, not more than 1.0% by weight of manganese, 3 to 6% by weight of chromium, not more than 30% of tungsten and/or not more than 20% by weight of molybdenum provided that (W+2Mo) is not more than 45% by weight, 2 to 10% by weight of vanadium and/or niobium, not more than 20% by weight of cobalt, and a balance of iron and inavoidable impurities with additive particles of a carbide and additive particles of a nitride and/or a carbonitride, sintered thereto in an amount of more than 0% to not more than 25% by weight and 2 to 25% by weight based on the total weight of the vane material, respectively. The vane material according to the present invention can be obtained by sintering the mixture of the base powder with the particulate carbide and nitride or carbonitride powders.
摘要翻译：本发明提供一种在使用替代的氟利昂气体作为冷却介质的压缩机中具有优异的耐划伤性的叶片材料及其制备方法。根据本发明，提供一种叶片材料，其结构包括基本材料，基本上由1.0至4.5重量％的碳，不超过1.5重量％的硅，不超过1.0重量％的锰，3〜6重量％的铬，不超过30重量％的钨和/或不大于20重量％的钼，条件是（W + 2Mo）不超过45重量％，2〜10重量％钒和/或铌的重量，不超过20重量％的钴，余量的铁和不可避免的杂质与碳化物的添加剂颗粒和氮化物和/或碳氮化物的添加剂颗粒烧结，其量为基于叶片材料的总重量分别大于0％至不超过25重量％和2至25重量％。根据本发明的叶片材料可以通过将基础粉末与碳化颗粒和氮化物或碳氮化物粉末的混合物烧结而获得。

6. 发明授权

US5403372A Vane material, vane, and method of producing vane 失效
标题翻译：叶片材料，叶片和叶片生产方法
公开(公告)号：US5403372A
公开(公告)日：1995-04-04
申请号：US900285
申请日：1992-06-18
申请人： Norimasa Uchida
发明人： Norimasa Uchida
IPC分类号： C22C33/02 , C22C29/02 , B22F3/14
CPC分类号： C22C33/0278
摘要： Vane material, vane and method of producing a vane to be used in a compressor using a substitute freon, improving the wear resistance thereof. The vane material has a composition consisting of by weight: 1.0-2.5% of C; not more than 1.5% of Si; not more than 1.0% of Mn; 3-6% of Cr; one or two of not more than 20% W and not more than 12% Mo where "W+2Mo" being 15-28%; 3.5-10% of one or two of V and Nb; and the balance of Fe and incidental impurities. Carbides are uniformly dispersed in the matrix thereof where their average diameter does not exceed 1.5 .mu.m and the maximum diameter thereof does not exceed 6 .mu.m. A method of producing a vane is also disclosed, in which an atomized powder having the composition as described is compacted and it is then subjected to hot working, or to hot working and cold working.
摘要翻译：叶片材料，叶片和使用替代氟利昂的压缩机中使用的叶片的制造方法，提高其耐磨性。叶片材料具有以重量计的组成：C：1.0-2.5％不超过1.5％的Si; 不超过1.0％的Mn; 3-6％的Cr; 其中“W + 2Mo”为15-28％的不超过20％W和不超过12％Mo的一种或两种; V和Nb中的一种或两种的3.5-10％; 余量为Fe和杂质。碳化物均匀分散在基体中，其平均直径不超过1.5μm，最大直径不超过6μm。还公开了一种制造叶片的方法，其中将具有所述组成的雾化粉末压实，然后进行热加工或热加工和冷加工。

7. 发明授权

US4880461A Super hard high-speed tool steel 失效
标题翻译：超硬高速工具钢
公开(公告)号：US4880461A
公开(公告)日：1989-11-14
申请号：US139161
申请日：1987-12-21
申请人： Norimasa Uchida
发明人： Norimasa Uchida
IPC分类号： C21D1/25 , C22C33/02 , C22C29/04
CPC分类号： C22C33/0278 , C21D1/25 , C22C33/0292
摘要： A super hard high-speed tool steel having a composition satisfying the condition of 0.ltoreq.C-Ceq.ltoreq.0.6 (where Ceq=0.06Cr+0.033 W+0.063 Mo+0.2 V within the range of 1.7.ltoreq.C.ltoreq.4.1%, the composition containing 3 to 10% of Cr, 1 to 20% of W, 1 to 15% of Mo (where 18.ltoreq.W+2Mo.ltoreq.40), 1 to 15% of V, not greater than 15% of Co, not greater than 2% of Si, not greater than 1% of Mn, and the balance substantially Fe and inevitable impurities, the steel further containing in uniformly dispersed state 2 to 12% in total of one, two or more selected from a group consisting of nitrides, carbides and carbonitrides of Ti, V, Zr, Nb, Hf and Ta in the composition. This tool steel exhibits a distinguished hardness of HRC 71 or higher, as well as toughness.
摘要翻译：具有满足0≤C-Ceq≤0.6（Ceq = 0.06Cr + 0.033W + 0.063Mo + 0.2V在1.7℃范围内）的组成的超硬高速工具钢含有3〜10％的Cr，1〜20％的W，1〜15％的Mo（其中18≤W+ 2Mo = 40），1〜15％的V ，不大于15％的Co，不大于2％的Si，不大于1％的Mn，余量基本上为Fe和不可避免的杂质，钢中均匀分散状态总共为2〜12％在组成中选自Ti，V，Zr，Nb，Hf和Ta的氮化物，碳化物和碳氮化物中的两种以上，该工具钢的硬度高于HRC 71以上，韧性高。

8. 发明授权

US5252119A High speed tool steel produced by sintering powder and method of producing same 失效
标题翻译：烧结粉末生产的高速工具钢及其制造方法
公开(公告)号：US5252119A
公开(公告)日：1993-10-12
申请号：US784587
申请日：1991-10-29
申请人： Junichi Nishida , Norimasa Uchida
发明人： Junichi Nishida , Norimasa Uchida
IPC分类号： C22C33/02 , C22C38/26 , C22C29/02
CPC分类号： C22C33/0278 , C22C38/26
摘要： A high speed tool steel produced by sintering powder, consisting essentially, by weight, of more than 1.5% but not more than 2.2% C, not more than 1.0% Si, not more than 0.6% Mn, 3.0 to 6.0% Cr, an amount of W and Mo in which the content of W+2Mo is in the range of 20 to 30% and in which the ratio of W/2Mo is not less than 1, not more than 5.0% V, 2.0 to 7.0% Nb, the ratio of Nb/V being not less than 0.5, and the balance Fe and incidental impurities, the value of C-Ceq, which Ceq is defined by 0.24+0.033.times.W+0.063.times.Mo+0.2.times.V+0.1.times.Nb, being in a range of -0.20 to 0.05, the density of carbides in the sintered steel having grain size of 2 to 5 .mu.m being in a range of 10,000 to 30,000 pieces/mm.sup.2.

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