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71. 发明专利

JP2006057136A Thin steel strip for metallic strip ring of belt in continuously variable transmission 有权
标题翻译：用于连续可变传动带的金属条带的薄钢条
公开(公告)号：JP2006057136A
公开(公告)日：2006-03-02
申请号：JP2004239969
申请日：2004-08-19
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKABAYASHI HIROYUKI , UEDA SHIGENORI , SHIMIZU TETSUYA
IPC分类号： C22C38/00 , C21D1/06 , C21D9/40 , C22C38/52 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a high-strength thin steel strip for a metallic strip ring of a belt in a continuously variable transmission, which is inexpensive in material and manufacture, high fatigue strength, further adequate corrosion resistance, and besides, excellent property to be nitrided.
SOLUTION: The high-strength thin steel strip for the metallic strip ring of the belt in the continuously variable transmission has a composition comprising, by mass%, 0.10-0.25% C, 0.25% or less Si, 0.40% or less Mn, 5.0-8.5% Ni, 0.30-2.50% Cr, 1.20-2.50% Mo+1/2W, 0.20% or less Cu, 0.05-0.15% V, 1.00-6.00% Co, 0.010% or less N, 0.0050% or less O, 0.10% or less Al, 0.10% or less Ti, 0.05% or less P, 0.03% or less S, and the balance substantially Fe with unavoidable impurities.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种无级变速器中用于带材的金属带环的高强度薄钢带，其材料和制造成本低，疲劳强度高，耐腐蚀性更好，另外，优良的性能被氮化。解决方案：无级变速器中带的金属带环的高强度薄钢带具有以质量％计含有0.10-0.25％C，0.25％或更少的Si，0.40％或更少的组成 Mn，5.0-8.5％Ni，0.30-2.50％Cr，1.20-2.50％Mo + 1 / 2W，0.20％以下Cu，0.05-0.15％V，1.00-6.00％Co，0.010％以下N，0.0050％或更少的O，0.10％或更少的Al，0.10％或更少的Ti，0.05％或更少的P，0.03％或更低的S，余量基本为Fe，不可避免的杂质。版权所有（C）2006，JPO＆NCIPI

72. 发明专利

JP2005133107A Ni BASED HEAT RESISTANT ALLOY 有权
标题翻译：镍基耐热合金
公开(公告)号：JP2005133107A
公开(公告)日：2005-05-26
申请号：JP2003367111
申请日：2003-10-28
申请人： Daido Steel Co Ltd , Ebara Corp , 大同特殊鋼株式会社 , 株式会社荏原製作所
发明人： NOGUCHI MANABU , MATSUOKA KEI , SAKAMOTO HIDEYUKI , UCHINO AKIRA , UEDA SHIGENORI , SAWADA YOSHIYUKI
IPC分类号： C22C19/05
摘要： PROBLEM TO BE SOLVED: To provide an Ni based alloy which has sufficient high temperature strength in a high temperature composite corrosive environment where chlorination and sulfurization simultaneously occur in addition to high temperature oxidation without performing excessive cooling, surface protection or the like, and having excellent local corrosion resistance without requiring structural control by heat treatment which has been indispensable for improving its corrosion resistance.
SOLUTION: The high temperature corrosion resistant Ni based heat resistant alloy has a composition comprising, by mass, 23 to 40% Cr, 5 to 15% W, 0.3 to 4% Si, 1.5 to 2.5% Al, 0.1 to 5% of at least one element selected from Ti, Zr, Hf, V, Nb and Ta, 0.1 to 0.5% C, ≤2.0% Mn and ≤25% Fe, and the balance Ni.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在高温复合腐蚀环境中具有足够的高温强度的Ni基合金，其中除了高温氧化之外同时发生氯化和硫化，而不会过度冷却，表面保护等，并且具有优异的局部耐腐蚀性，而不需要通过热处理进行结构控制，这是提高其耐腐蚀性所必不可少的。解决方案：耐高温耐腐蚀的Ni基耐热合金具有质量为23〜40％的Cr，5〜15％的W，0.3〜4％的Si，1.5〜2.5％的Al，0.1〜5 选自Ti，Zr，Hf，V，Nb和Ta中的至少一种元素的％，0.1至0.5％C，≤2.0％Mn和≤25％Fe，余量为Ni。版权所有（C）2005，JPO＆NCIPI

73. 发明专利

JP2005068505A HIGH STRENGTH AND HIGH CORROSION RESISTANCE Ni BASED ALLOY WIRE ROD FOR INTERDENTAL BRUSH 审中-公开
标题翻译：高强度和高耐腐蚀性镍基合金线用于内部刷
公开(公告)号：JP2005068505A
公开(公告)日：2005-03-17
申请号：JP2003301027
申请日：2003-08-26
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： UEDA SHIGENORI , NODA TOSHIHARU
IPC分类号： A46D1/00 , C22C19/03
摘要： PROBLEM TO BE SOLVED: To provide alloy wire rod for an interdental brush which has a low content of Co as an expensive element, and is excellent in strength, corrosion resistance and workability as well.
SOLUTION: The high strength and high corrosion resistance Ni based alloy wire rod for an interdental brush has a composition comprising, by weight, ≤0.10% C, ≤1.0% Si, ≤1.0% Mn, 15 to
摘要翻译：要解决的问题：提供具有低含量Co作为昂贵元素的齿间刷的合金线材，并且具有优异的强度，耐腐蚀性和可加工性。解决方案：用于齿间刷的高强度和高耐腐蚀性Ni基合金线材具有重量比≤0.10％C，≤1.0％Si，≤1.0％Mn，15- <30％Co ，15〜21％的Cr，10〜18％的Mo，0.1〜2.0％的Ti，0.1〜5.0％的Nb和0.1〜5.0％的Fe，余量为Ni与不可避免的杂质。版权所有（C）2005，JPO＆NCIPI

74. 发明专利

JP2005002451A Fe-Ni-Cr ALLOY FOR HEAT-RESISTANT SPRING AND PRODUCTION METHOD OF HEAT-RESISTANT SPRING 审中-公开
标题翻译：用于耐热弹簧的Fe-Ni-Cr合金和耐热弹簧的生产方法
公开(公告)号：JP2005002451A
公开(公告)日：2005-01-06
申请号：JP2003169428
申请日：2003-06-13
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： UEDA SHIGENORI
IPC分类号： C21D8/02 , C21D8/06 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an Fe-Ni-Cr alloy which has a heat resistant property neither insufficient nor excessive as a heat-resistant spring when used at an elevated temperature, i.e. >500°C and ≤600°C, and is suitable for producing a spring with an improved resistance to permanent set at a relatively low cost, and thereby to enable the production of an inexpensive and highly durable spring.
SOLUTION: The Fe-Ni-Cr alloy for the heat-resistant spring has an alloy composition comprising, by weight, 0.01-0.10% C, ≤2.0% Si, ≤2.0% Mn, 20-45% Ni, 10-25% Cr, 0.2-1.5% Al, 1.5-4.0% Ti, 0.1-2.0% Nb+Ta, 0.001-0.010% B and the balance being Fe and unavoidable impurities. The spring is produced by forming the alloy into a rod or a plate and subjecting it to solution treatment, cold working with a working rate of ≥20% and aging treatment at 600-800°C for 0.5-24 hr.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种Fe-Ni-Cr合金，当在高温（即> 500℃和≤600℃）下使用时，耐热性能既不足够也不过度耐热弹簧并且适合于以相对较低的成本生产具有改进的耐永久变形性的弹簧，从而能够生产廉价且高度耐用的弹簧。解决方案：用于耐热弹簧的Fe-Ni-Cr合金具有合金组成，其包含重量比为0.01-0.10％C，≤2.0％Si，≤2.0％Mn，20-45％Ni，10 -25％Cr，0.2-1.5％Al，1.5-4.0％Ti，0.1-2.0％Nb + Ta，0.001-0.010％B，余量为Fe和不可避免的杂质。该弹簧通过将合金成型为棒或板并经过固溶处理，冷加工，加工速率≥20％，时效处理在600-800℃下进行0.5-24小时。版权所有（C）2005，JPO＆NCIPI

75. 发明专利

JP2004307999A Ni-BASED SUPER HEAT RESISTANT CAST ALLOY AND TURBINE WHEEL MADE THEREOF 有权
公开(公告)号：JP2004307999A
公开(公告)日：2004-11-04
申请号：JP2004014921
申请日：2004-01-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKAHATA NORITAKA , UEDA SHIGENORI , NODA TOSHIHARU , SHIMIZU TETSUYA
IPC分类号： C22C19/05 , F01D5/28 , F02B39/00
CPC分类号： C22C19/057 , F01D5/28
摘要： PROBLEM TO BE SOLVED: To obtain an Ni-based super heat resistant cast alloy, from which turbine wheels of automobile engines withstanding temperature increase of exhaust gas and maintaining a high strength even at a high temperatures can be manufactured by casting without requiring HIP (hot isostatic press) treatment.
SOLUTION: The alloy consists of, by weight, C: 0.02 to 0.50%, Si: up to 1.0%, Mn: up to 1.0%, Cr: 4.0 to 10.0%, Al: 2.0 to 8.0%, Co: up to 15.0%, W: 8.0 to 16.0%, Ta: 2.0 to 8.0%, Ti: up to 3.0%, Zr: 0.001 to 0.200%, and B: 0.005 to 0.300% and the balance of Ni and inevitable impurities, provided that, [%Al]+[%Ti]+[%Ta], by atomic%, amounts to 12.0 to 15.5%, that it contains γ/γ'-eutectoid of, by area percentage, 1 to 15%, that it contains carbides of, by area percentage, 1 to 10%, and that the M value determined by the alloy composition is in the range of 93 to 98.
COPYRIGHT: (C)2005,JPO&NCIPI

76. 发明专利

JP2004115840A Ferritic heat-resistant cast steel part with excellent thermal fatigue resistance, and manufacturing method 审中-公开
公开(公告)号：JP2004115840A
公开(公告)日：2004-04-15
申请号：JP2002278453
申请日：2002-09-25
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： UEDA SHIGENORI , NODA TOSHIHARU
IPC分类号： C21D1/06 , C21D6/00 , C22C38/00 , C22C38/34 , C22C38/60 , F01N13/16 , F01N7/16
摘要： PROBLEM TO BE SOLVED: To provide parts made of ferritic heat-resistant cast steel which can be manufactured at a cost lower than that in the case of parts made of known heat-resistant cast steel and have excellent thermal fatigue resistance.
SOLUTION: Steel having an alloy composition consisting of, by weight, 0.01 to 0.30% C, ≤3.0% Si, ≤1.0% Mn, 15 to 22% Cr, 0.1 to 3.0% Nb and the balance Fe with inevitable impurities is cast into a part shape and then carburized in such a way that the maximum carbon quantity in a surface layer is within the range of ≤1.0%. By this procedure, a tempered martensite phase comprises ≥80% of a structure in the region between the surface layer and a position at a depth of 1 mm from the surface layer, and a ferrite phase comprises ≥20% of a structure in the region from a position at a depth of >1 mm from the surface layer inward.
COPYRIGHT: (C)2004,JPO

77. 发明专利

JP2003253362A NON-MAGNETIC HIGHLY CORROSION-RESISTANT BEARING MATERIAL AND ITS PRODUCTION METHOD 审中-公开
公开(公告)号：JP2003253362A
公开(公告)日：2003-09-10
申请号：JP2002050524
申请日：2002-02-26
申请人： DAIDO STEEL CO LTD
发明人： TAKAHATA NORITAKA , UEDA SHIGENORI , NODA TOSHIHARU
IPC分类号： F16C33/32 , C22C19/05 , C22F1/00 , C22F1/10 , F16C33/34 , F16C33/62
摘要： PROBLEM TO BE SOLVED: To provide a non-magnetic bearing material which has a higher hardness, a longer tumbling fatigue life, and a higher corrosion resistance than those of a precipitation hardened stainless steel, such as JIS SUS630, or a Be-Cu alloy used so far as a non-magnetic bearing material; and a method for producing the same. SOLUTION: A bearing material having a hardness of 600 Hv or higher and a magnetic permeability (μ-1) of 1.00×10 -2 or less is obtained by keeping a γ'-phase and α-phase composite precipitation hardened alloy having an alloy composition comprising 0.1 wt.% or lower C, 2.0 wt.% or lower Si, 2.0 wt.% or lower Mn, 30-45 wt.% Cr, 1.5-5 wt.% Al, and the balance being unavoidable impurities and Ni at 1,000°C or higher but lower than the solution treatment temperature of the α-phase for 1 min-2 hr, then cooling it, and subjecting it to an aging treatment at 500-800°C for 1 min-100 hr. COPYRIGHT: (C)2003,JPO

78. 发明专利

JP2002069557A Ni BASED HIGH STRENGTH ALLOY 失效
公开(公告)号：JP2002069557A
公开(公告)日：2002-03-08
申请号：JP2000261636
申请日：2000-08-30
申请人： DAIDO STEEL CO LTD
发明人： UEDA SHIGENORI , NODA TOSHIHARU
IPC分类号： C22C19/05
摘要： PROBLEM TO BE SOLVED: To provide a nonmagnetic alloy material having high strength exceeding 2,000 MPa at room temperature and high temperature stability, having high hardness and high corrosion resistance, also good in workability and high in versatile applicability in an Ni based alloy. SOLUTION: This Ni based high strength alloy has an alloy composition containing, by weight,

79. 发明专利

JPH11117019A PRODUCTION OF HEAT RESISTANT PARTS 失效
公开(公告)号：JPH11117019A
公开(公告)日：1999-04-27
申请号：JP29177497
申请日：1997-10-09
申请人： DAIDO STEEL CO LTD
发明人： UEDA SHIGENORI , NODA TOSHIHARU , OKABE MICHIO
IPC分类号： C21D8/00 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To produce heat resistant parts in which ηphases as brittle phases are not precipitated at a high temp. and at a low cost by processing an Fe-Ni-Cr series heat resistant steel composed of a specified compsn. with a specified Ti/Al atomic ratio by a solution treatment, thereafter working it by cold or warm working and executing an aging treatment while working strains are remained. SOLUTION: The stock of a heat resistant steel having a compsn. contg., by weight, 0.005 to 0.20% C, =30% to produce parts. The parts are processed by an aging treatment while working strains are remained. In this way, the heat resistant parts in which η phases are not precipitated at >=800 deg.C can be obtd.

80. 发明专利

JPH10219353A PRODUCTION OF EXHAUST VALVE 失效
公开(公告)号：JPH10219353A
公开(公告)日：1998-08-18
申请号：JP2561697
申请日：1997-02-07
申请人： DAIDO STEEL CO LTD
发明人： UEDA SHIGENORI , NODA TOSHIHARU , OKABE MICHIO
IPC分类号： F01L3/02 , C21D9/00 , C22C30/02 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a method for inexpensively producing an automotive exhaust valve. SOLUTION: A heat resistant steel stock contg., by weight, 0.01 to 0.1% C,

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