专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2011168820A Steel product having carbo-nitrided layer and method for producing the same 有权
标题翻译：具有碳化物层的钢制品及其制造方法
公开(公告)号：JP2011168820A
公开(公告)日：2011-09-01
申请号：JP2010032017
申请日：2010-02-17
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HORIMOTO MASAYUKI , SANO NAOYUKI
IPC分类号： C22C38/00 , C21D1/06 , C21D9/32 , C22C38/60 , C23C8/22 , C23C8/32 , C23C8/34
摘要： PROBLEM TO BE SOLVED: To provide a steel product having a carbo-nitrided layer securing superior abrasion resistance and large pitting resistance even when the content of expensive Mo is reduced or Mo is not added.
SOLUTION: The steel product having a carbo-nitrided layer is provided, whose original steel material has a chemical composition containing 0.10 to 0.35% of C, 0.40 to 1.00% of Si, 0.60 to 1.50% of Mn, 0.40 to 0.80% of Cr, 0.01 to 0.05% of Al, 0.05% or less of S and 0.0020 to 0.0300% of N, wherein [(Si+Mn)/Cr] is 2 or more, and the balance comprises Fe and impurities. The steel product has dispersed alloy nitride consisting of MnSiN
2 only in the region from the surface of the carbo-nitrided layer to the depth of 50 μm and has the austenitic amount in a volume proportion of 30 to 40% on the surface of the carbo-nitrided layer. The original steel material contains at least one of Mo≤0.01%, Ti≤0.10% and Nb≤0.080%, as necessary.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当昂贵的Mo的含量降低或不添加Mo时，提供具有确保优异的耐磨性和大的耐点腐蚀性的碳氮化层的钢产品。解决方案：提供具有碳氮化层的钢产品，其原钢材料具有C：0.10〜0.35％，Si：0.40〜1.00％，Mn：0.60〜1.50％，0.40〜0.80 的Cr，0.01〜0.05％的Al，0.05％以下的S和0.0020〜0.0300％的N，其中[（Si + Mn）/ Cr]为2以上，余量由Fe和杂质构成。该钢产品仅在从碳氮化层的表面到深度为50μm的区域中仅具有由MnSiN 2 组成的分散合金氮化物，并且奥氏体体积比例为30至40 在碳氮化层的表面上的％。原钢材料根据需要含有Mo≤0.01％，Ti≤0.10％，Nb≤0.080％中的至少一种。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2007162112A Martensitic iron based heat resistant alloy 有权
标题翻译：马氏体耐热合金
公开(公告)号：JP2007162112A
公开(公告)日：2007-06-28
申请号：JP2005363397
申请日：2005-12-16
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOSHIZAWA MITSURU , IGARASHI MASAAKI , SANO NAOYUKI
IPC分类号： C22C38/00 , C21D8/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a martensitic heat resistant alloy having excellent high temperature long time creep strength suitable for a steel tube for a heat exchanger, a steel sheet for a pressure vessel, a turbine material or the like used under high temperature-high pressure environments in a boiler, nuclear power generation equipment, chemical industry equipment or the like.
SOLUTION: The martensitic iron based heat resistant alloy has a composition comprising, by mass, 8 to 16% Cr, 1 to 18% Co, 0.01 to 1% Si, 0.01 to 3% Mn, 0.0005 to 0.03% B, 0.001 to 0.1% sol.Al and 0 to 0.5% Cu, further comprising either or both of ≤2% Mo and ≤5% W in the ranges satisfying inequality (1), and the balance Fe with impurities satisfying ≤0.05% C, ≤0.01% N, ≤0.05% P and ≤0.02% S, and has a modulated structure in the using process in the temperature region of ≥575°C. The steel may comprise one or more kinds selected from Nb, V, Ni, Ta, Hf, Ti, REM, Ca and Mg as well. (1): Mo+(1/2)W≥0.5%, wherein Mo and W denote the respective contents (mass%).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于热交换器用钢管的高温长时间蠕变强度优异的马氏体系耐热合金，在高压下使用的压力容器用钢板，涡轮机材料等锅炉，核能发电设备，化工设备等的高温环境。解决方案：马氏体系铁基耐热合金的组成为：以质量计含有8〜16％的Cr，1〜18％的Co，0.01〜1％的Si，0.01〜3％的Mn，0.0005〜0.03％的B， 0.001〜0.1％的sol.Al和0〜0.5％的Cu，在满足不等式（1）的范围内进一步包含≤2％Mo和≤5％W中的任一种或两者，余量为Fe，杂质≤0.05％C， ≤0.01％N，≤0.05％P和≤0.02％S，并且在≥575℃的温度范围内的使用过程中具有调制结构。钢可以包含Nb，V，Ni，Ta，Hf，Ti，REM，Ca和Mg中的一种或多种。（1）：Mo +（1/2）W≥0.5％，其中Mo和W表示各自的含量（质量％）。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006233300A Non-heattreated steel soft-nitrided parts 有权
标题翻译：非热处理钢软硫化零件
公开(公告)号：JP2006233300A
公开(公告)日：2006-09-07
申请号：JP2005051775
申请日：2005-02-25
申请人： Honda Motor Co Ltd , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 本田技研工業株式会社
发明人： SANO NAOYUKI , MATSUMOTO HITOSHI , NAKATANI TAKAYUKI , KAMATA YOSHIHIKO , AMANO MASAKI , ASAI TETSUYA
IPC分类号： C22C38/00 , C22C38/14 , C22C38/60 , C23C8/26
CPC分类号： C22C38/60 , C21D9/30 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/22 , C22C38/24 , C23C8/26
摘要： PROBLEM TO BE SOLVED: To provide non-heattreated steel soft-nitrided parts having high fatigue strength and excellent bending streightening properties even in the case soft nitriding is performed with heat treatment obviated. SOLUTION: The soft-nitrided parts are obtained by subjecting machine parts composed of a non-heattreated steel having a composition comprising, by mass, 0.30 to 0.45% C, 0.1 to 0.5% Si, 0.6 to 1.0% Mn, 0.005 to 0.1% Ti and 0.015 to 0.030% N, and the balance Fe with impurities, and having a mixed structure composed of bainite and ferrite or a mixed structure composed of bainite, ferrite and pearlite, and in which the fraction of the bainite in the mixed structure is 5 to 90% to soft nitriding treatment. In the structure of the diffused layer thereof, the size in the longitudinal direction of bar-shaped γ' nitrides present in the ferritic grains is ≤20 μm. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有高疲劳强度和优异的弯曲伸缩性能的非热处理钢软氮化部件，即使在软化氮化处理被消除的情况下进行。解决方案：软氮化部件通过将由非热处理钢组成的机器部件，其组成为：质量分数为0.30〜0.45％的C，0.1〜0.5％的Si，0.6〜1.0％的Mn，0.005 至0.1％的Ti和0.015至0.030％的N，余量为Fe与杂质，并且具有由贝氏体和铁素体组成的混合结构或由贝氏体，铁素体和珠光体组成的混合结构，其中贝氏体组分混合结构为软化氮化处理的5〜90％。在其扩散层的结构中，存在于铁素体晶粒中的棒状γ'氮化物的长度方向的尺寸为≤20μm。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2012036495A Method for manufacturing nitrided machine part 有权
标题翻译：制造硝化机部件的方法
公开(公告)号：JP2012036495A
公开(公告)日：2012-02-23
申请号：JP2011085823
申请日：2011-04-07
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SANO NAOYUKI , TODO SHOJI , SUKETANI MASAHITO
IPC分类号： C23C8/26 , C21D1/06 , C21D9/32 , C21D9/40 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To generate a high surface hardness and a deep hardened layer by comparatively short time (several hours) treatment while maintaining low distortion of machine parts in nitriding treatment.SOLUTION: A method for manufacturing nitrided machine parts includes: a step for preparing a steel material; a step for nitriding the steel material at a nitriding temperature T(°C) of 700°C or more in a condition that a value of an austenite volume fraction Fγ(T) defined by equations (1) to (4) satisfies 0.10≤Fγ(T)≤0.60; and a step for quenching the steel material after the nitriding. The equations are (1):K=44.7×Si-30×Mn-11×Cr, (2):Xα(T)=(910-T)/8394, (3):Xγ(T)=(910+K-T)/41209, and(4): Fγ(T)=(C-Xα)/(Xγ-Xα). Each of chemical symbols of elements in the equations (1) to (4) expresses the content of each element by mass%.
摘要翻译：要解决的问题：为了在氮化处理中保持机器部件的变形较小，通过相当短的时间（几小时）处理来产生高表面硬度和深度硬化层。解决方案：一种用于制造氮化机器部件的方法包括：制备钢材的步骤; 在等式（1）至（4）定义的奥氏体体积分数Fγ（T）的值满足0.10≤i的条件下，在700℃以上的氮化温度T（℃）下对钢材进行氮化的工序 Fγ（T）≤0.60; 以及在氮化后淬火钢材的步骤。方程为（1）：K = 44.7×Si-30×Mn-11×Cr，（2）：Xα（T）=（910-T）/ 8394，（3）：Xγ（T）=（910+ KT） 2 / 41209和（4）：Fγ（T）=（C-Xα）/（Xγ-Xα）。式（1）〜（4）中的各元素的化学符号以质量％表示各元素的含量。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2008133501A Steel for gear to be vacuum-carburized 有权
标题翻译：用于齿轮的钢被真空加固
公开(公告)号：JP2008133501A
公开(公告)日：2008-06-12
申请号：JP2006319925
申请日：2006-11-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HORIMOTO MASAYUKI , SANO NAOYUKI
IPC分类号： C22C38/00 , C22C38/26
摘要： PROBLEM TO BE SOLVED: To provide a steel for a gear to be vacuum-carburized, which shows superior fatigue strength to surface pressure and superior fatigue strength to bending, does not cause abnormal grain growth, and shows adequate machinability as well, even when vacuum-carburized at a high temperature exceeding 1,000°C.
SOLUTION: The steel for the gear to be vacuum-carburized has a chemical composition comprising 0.13 to 0.30% C, more than 0.50% to 1.50% Si, 0.70 to 1.50% Mn, 0.10% or less P, 0.01 to 0.05% S, 0.70 to 1.50% Cr, 0.010 to 0.050% Nb, 0.010 to 0.050% Al, 0.0100 to 0.0250% N, while controlling the contents of Si, Mn and Cr so that Si+Mn can be 2.50% or less and 4Mn+4Cr-Si can be 7.2 to 9.0%, and the balance Fe with impurities among which V is 0.005% or less; and has a ferrite-pearlite structure before the steel is vacuum-carburized, in which the ferrite grains have sizes of 100 μm or smaller.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供对真空渗碳的齿轮钢，其对于表面压力的显示优异的疲劳强度和优异的弯曲疲劳强度，不会引起异常的晶粒生长，并且也显示出适当的机械加工性，即使在超过1000℃的高温下进行真空渗碳。解决方案：用于真空渗碳的齿轮的钢具有包含0.13〜0.30％C，大于0.50％〜1.50％的Si，0.70〜1.50％的Mn，0.10％以下的P，0.01〜0.05的化学组成％S，0.70〜1.50％Cr，0.010〜0.050％Nb，0.010〜0.050％Al，0.0100〜0.0250％N，同时控制Si，Mn和Cr的含量，使Si + Mn为2.50％以下，4Mn + 4Cr-Si可以为7.2〜9.0％，余量为Fe，杂质为V为0.005％以下; 在钢被真空渗碳之前具有铁素体 - 珠光体组织，其中铁素体晶粒的尺寸为100μm或更小。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007162114A Martensitic iron based heat resistant alloy 审中-公开
标题翻译：马氏体耐热合金
公开(公告)号：JP2007162114A
公开(公告)日：2007-06-28
申请号：JP2005363413
申请日：2005-12-16
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOSHIZAWA MITSURU , IGARASHI MASAAKI , SANO NAOYUKI
IPC分类号： C22C38/00 , C21D8/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a martensitic heat resistant alloy having high temperature long time creep strength suitable for a steel tube for a heat exchanger, a steel sheet for a pressure vessel, a turbine material or the like used under high temperature-high pressure environments in a boiler, nuclear power generation equipment, chemical industry equipment or the like.
SOLUTION: The martensitic iron based heat resistant alloy has a composition comprising, by mass, 8 to 16% Cr, 1 to 18% Co, 0.01 to 1% Si, 0.01 to 3% Mn, 0.0005 to 0.03% B, 0.001 to 0.1% sol.Al and 0 to 0.5% Cu, further comprising either or both of ≤2% Mo and ≤5% W in the ranges satisfying inequality (1), and the balance Fe with impurities satisfying ≤0.05% C, ≤0.01% N, ≤0.05% P and ≤0.02% S, and has a modulated structure. The alloy may further comprise one or more kinds selected from Nb, V, Ni, Ta, Hf, Ti, REM, Ca and Mg. (1): Mo+(1/2)W≥0.5%, wherein Mo and W denote the respective contents (mass%).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供适用于热交换器的钢管的高温长时间蠕变强度的马氏体系耐热合金，高温下使用的压力容器用钢板，涡轮机材料等 - 锅炉，核能发电设备，化工设备等的高压环境。解决方案：马氏体系铁基耐热合金的组成为：以质量计含有8〜16％的Cr，1〜18％的Co，0.01〜1％的Si，0.01〜3％的Mn，0.0005〜0.03％的B， 0.001〜0.1％的sol.Al和0〜0.5％的Cu，在满足不等式（1）的范围内进一步包含≤2％Mo和≤5％W中的任一种或两者，余量为Fe，杂质≤0.05％C， ≤0.01％N，≤0.05％P和≤0.02％S，并具有调制结构。该合金还可以包含选自Nb，V，Ni，Ta，Hf，Ti，REM，Ca和Mg中的一种或多种。（1）：Mo +（1/2）W≥0.5％，其中Mo和W表示各自的含量（质量％）。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006124808A Steel material to be nitrided, and machine part manufactured with the use of steel material to be nitrided 审中-公开
标题翻译：不锈钢材料和使用不锈钢材料制造的机械零件
公开(公告)号：JP2006124808A
公开(公告)日：2006-05-18
申请号：JP2004317588
申请日：2004-11-01
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SANO NAOYUKI
IPC分类号： C22C38/00 , C21D1/06 , C22C38/54 , C22C38/60 , F16C3/06 , F16C7/02
摘要： PROBLEM TO BE SOLVED: To provide a steel material to be nitrided, which has high fatigue strength, has a high bending-correcting property, and is used for manufacturing machine parts, and to provide the machine parts.
SOLUTION: The steel material to be nitrided comprises, by mass, 0.2-0.6% C, 0.05-1.0% Si, 0.2-1.5% Mn, 0.005-0.1% Ti, 0.005-0.030% N, 0.001-0.1% Nb, one or more elements among 0.05-1.5% Mo, 0.01-1.0% V, 0.05-2.0% Cu, 0.05-1.0% Ni, 0.05-1.0% Cr and 0.001-0.01% B, and the balance Fe with impurities; and includes a base layer having a Vickers hardness of 200 or more, and a layer mainly containing a ferrite phase formed on the base layer. The machine parts are made from the nitrided steel material.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有高疲劳强度的具有高弯曲矫正性能的氮化钢材，并且用于制造机器部件并提供机器部件。解决方案：待氮化的钢材质量包括0.2-0.6％C，0.05-1.0％Si，0.2-1.5％Mn，0.005-0.1％Ti，0.005-0.030％N，0.001-0.1％ Nb，0.05-1.5％Mo，0.01-1.0％V，0.05-2.0％Cu，0.05-1.0％Ni，0.05-1.0％Cr和0.001-0.01％B中的一种或多种元素，余量为Fe与杂质; 并且包括维氏硬度为200以上的基底层和主要含有在基底层上形成的铁素体相的层。机器零件由氮化钢材料制成。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005274513A Aging state evaluation method for cu-containing steel product and aging treatment method using it 有权
标题翻译：用于含铜产品的老化状态评估方法和使用其的老化处理方法
公开(公告)号：JP2005274513A
公开(公告)日：2005-10-06
申请号：JP2004091763
申请日：2004-03-26
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Kobe Steel Ltd , Nippon Steel Corp , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 新日本製鐵株式会社 , 株式会社神戸製鋼所
发明人： NOMURA MASAHIRO , YAGUCHI HIROSHI , YAMASHITA TAKAKO , FUJIOKA MASAAKI , SANO NAOYUKI
IPC分类号： G01N23/06 , C22C38/00 , C22C38/16 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide an aging state evaluation method capable of grasping the precipitation state of a Cu-precipitate in the aging treatment process of a Cu-containing steel by use of XAFS measurement method and nondestructively confirming the propriety of aging treatment, and an aging treatment method using it.
SOLUTION: In this method for evaluating the aging state of a steel product containing 1-5 mass% of Cu, when the peak height value at 8.98 KeV in the vicinity of fluorescent X-ray spectrum K absorption edge of Cu constituting a precipitate involved in aging in the steel product, which is measured at ordinary temperature by XAFS method, is within 2.8-3.8 shown by standardized phosphor yield, it is evaluated that the aging treatment is properly performed. According to this, the aging treatment state such as hardness rise of Cu-containing steel product can be nondestructively evaluated without performing a material test such as a tensile test or hardness test which needs sample adjustment, and the propriety of the aging treatment and the quality of Cu-containing aged steel product can be easily confirmed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过使用XAFS测量方法在Cu含量钢的时效处理过程中捕获Cu沉淀物的沉淀状态的老化状态评估方法，并且非破坏性地确认老化的适当性治疗和使用它的老化治疗方法。解决方案：在用于评估含有1-5质量％Cu的钢产品的老化状态的方法中，当Cu的荧光X射线光谱K吸收边缘附近的8.98KeV的峰高值构成为通过XAFS法在常温下测定的钢产品的老化沉淀在通过标准化的磷光体产率表示的2.8-3.8内，评价了适当地进行时效处理。因此，不进行诸如需要进行样品调整的拉伸试验或硬度试验等材料试验，老化处理和质量的适当性等，可以非腐蚀性地评价含铜钢产品的老化处理状态如硬度升高的含铜老化钢产品可以容易地确认。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2004328871A High-efficiency rotating machine 有权
公开(公告)号：JP2004328871A
公开(公告)日：2004-11-18
申请号：JP2003118870
申请日：2003-04-23
申请人： Matsushita Electric Ind Co Ltd , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 松下電器産業株式会社
发明人： TOMITA TOSHIRO , SANO NAOYUKI , HINOTANI SHIGEHARU , KAMINOTANI SHIGEO , NISHIYAMA NORISADA , ICHIUMI YASUFUMI , KODERA HIDETOSHI , FUJIWARA KOJI
IPC分类号： H02K1/02 , H02K1/18 , H02K1/22
摘要： PROBLEM TO BE SOLVED: To offer a high-efficiency rotating machine where a bidirectional eletromagnetic steel plate is applied.
SOLUTION: A steel plate, where an average crystal grain diameter is not more than four times and not less than one-tenth the thickness of a board and the area ratio of crystal grains oriented in a cubic azimuth is 75% or over and which contains Si 1% or over and 6.5% or under, is used for a split stator.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2011252197A Method for production of soft-nitriding mechanical structural component 有权
标题翻译：生产软氮化机械结构部件的方法
公开(公告)号：JP2011252197A
公开(公告)日：2011-12-15
申请号：JP2010126409
申请日：2010-06-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SUKETANI MASAHITO , SANO NAOYUKI
IPC分类号： C21D8/00 , C21D1/06 , C21D9/00 , C21D9/30 , C22C38/00 , C22C38/60 , C23C8/32
摘要： PROBLEM TO BE SOLVED: To provide a method for production of a soft-nitriding mechanical structural component excellent in fatigue strength and bending correctability.SOLUTION: The method includes: preparing a steel comprising, by mass, 0.20-0.50% C, 0.10-0.50% Si, 0.60-1.60% Mn, ≤0.05% P, ≤0.10% S, 0.03-0.40% Cr, 0.003-0.050% Ti, 0.001-0.050 Al, 0.003-0.030% N and the balance Fe with impurities, and satisfying [1.30
摘要翻译：要解决的问题：提供一种制造疲劳强度和弯曲矫正性优异的软氮化机械结构部件的方法。解决方案：该方法包括：制备含有0.20-0.50％C，0.10-0.50％Si，0.60-1.60％Mn，≤0.05％P，≤0.10％S，0.03-0.40％Cr，，0.003-0.050％Ti，0.001-0.050Al，0.003-0.030％N，余量为Fe与杂质，满足[1.30 <0.5Si + Mn + 4Cr + 8Al + 10Tieff <2.40]。在850-1250℃的终轧温度和从终轧温度至300℃的平均冷却速度为5℃/秒的条件下进行热锻造; 将钢加工成部件形状; 在620-700℃的温度范围内进行加工钢的软氮化处理; 并持续冷却至450-600℃的区域，并在这样的温度区域进行热处理。版权所有（C）2012，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式