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1. 发明专利

JP2012180542A Non-magnetic high-strength molded product and method for manufacturing the same 有权
标题翻译：非磁性高强度成型产品及其制造方法
公开(公告)号：JP2012180542A
公开(公告)日：2012-09-20
申请号：JP2011042775
申请日：2011-02-28
申请人： National Institute For Materials Science , Furiya Giken Co Ltd , 株式会社降矢技研 , 独立行政法人物質・材料研究機構
发明人： TORIZUKA SHIRO , MURAMATSU EIJIRO , SUZUKI YOSHIYUKI
IPC分类号： C22C38/00 , B21J5/00 , C21D8/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a technology for manufacturing a non-magnetic molded product that has a high strength and a high yield point and is made of austenitic stainless steel by plastic working while reducing load on a die, by solving the problems of cost increase and complexity of a manufacturing process.SOLUTION: The non-magnetic high-strength molded product has a chemical composition comprising, by mass, 0.005-0.08% C, 0.15-1.00% Si, 0.30-2.00% Mn, ≤0.035% P, ≤0.015% S, 0.005-0.040% sol.Al, 8.00-10.50% Ni, 18.00-20.00% Cr, 0-4.0% Cu and the balance being Fe and unavoidable impurities. The molded product has a magnetic permeability of ≤1.02 and a hardness in terms of Vickers hardness of 250-500.
摘要翻译：要解决的问题：提供一种制造具有高强度和高屈服点的非磁性模制产品的技术，并且通过塑性加工由奥氏体不锈钢制成，同时减少模具上的负载，通过解决成本增加的问题和制造过程的复杂性。解决方案：非磁性高强度成型体具有以质量计含有0.005-0.08％C，0.15-1.00％Si，0.30-2.00％Mn，≤0.035％P，≤0.015％S的化学组成，0.005-0.040％sol.Al，8.00-10.50％Ni，18.00-20.00％Cr，0-4.0％Cu，余量为Fe和不可避免的杂质。成型品的磁导率≤1.02，维氏硬度为250-500。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2009191279A Steel fine wire or thin band steel sheet excellent in plastic workability 审中-公开
标题翻译：钢丝线或薄钢板优良的塑性工作性能
公开(公告)号：JP2009191279A
公开(公告)日：2009-08-27
申请号：JP2008029872
申请日：2008-02-12
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORIZUKA SHIRO , MURAMATSU EIJIRO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/14 , C22C38/42
摘要： PROBLEM TO BE SOLVED: To provide a steel fine wire or a thin band steel sheet having high strength particularly satisfying the yield strength (YS) of ≥0.6 GPa, also having excellent ductility, further having satisfactory shearing properties, and having excellent plastic workability, by solving the problem that, since, heretofore, the yield strength (YS) of the material for shearing is ≤0.4 GPa in many cases, the impartation of high ductility to the material having a yield strength higher than that is difficult, and machining is used instead of shearing, but, even in the preceding reference 2, the tensile strength of stainless steel is 0.5 GPa, thus its yield strength is
摘要翻译：解决问题的方案为了提供高强度，特别是满足屈服强度（YS）≥0.6GPa的钢细丝或薄带钢板，也具有优良的延展性，进一步具有令人满意的剪切性能，并且具有优异的塑性加工性，通过解决以往的问题，由于剪切用材料的屈服强度（YS）在许多情况下为0.4GPa以下，因此难以赋予屈服强度高的材料的高延展性，使用机械加工代替剪切，但是即使在前述的参考文献2中，不锈钢的拉伸强度为0.5GPa，因此其屈服强度<0.5GPa，不足。解决方案：具有优异的塑性加工性的钢细丝由铁素体碳钢或铁素体不锈钢或奥氏体不锈钢构成，屈服强度≥0.6GPa，断裂强度/拉伸强度≥2.0。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008142770A Warm rolling apparatus, warm rolling method and warm/cold continuous working apparatus 有权
标题翻译：温度滚动装置，温度滚动方法和温度/冷连续工作装置
公开(公告)号：JP2008142770A
公开(公告)日：2008-06-26
申请号：JP2007121192
申请日：2007-05-01
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORITSUKA SHIRO , MURAMATSU EIJIRO
IPC分类号： B21B1/16
摘要： PROBLEM TO BE SOLVED: To provide a compact rolling apparatus operating in a warm temperature region for producing a metal wire having standards excellent in a balance between strength and ductility by a hyperfine crystal grain structure even without performing special heat treatment, and to provide a rolling technique using the same where the fall down of the material in a rolling stage does not occur, and also, the fullness of the material to a caliber is made suitable. SOLUTION: The first rolling mill orthogonal to the passline direction of the metallic material to be rolled and provided with a pair of two caliber rolls in which the axial centers are parallel is arranged, and, adjacently thereto, the second rolling mill orthogonal to the rolling reduction direction of the metallic material to be rolled and provided with a pair of two caliber rolls in which the axial centers are parallel is arranged with small spacing therewith. Further, a plurality of even proximate rolling mill groups where roll rotation driving is an independent system are arranged in series. Also, the total of the reduction areas R according to one even proximate rolling mill group is set to 30 to 50%, and the peripheral speed ratio of the external diameter of the rolling rolls or the like are regulated. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在温暖区域中操作的紧凑型轧制设备，用于制造即使不进行特殊热处理，也可以通过超精细晶粒结构在强度和延展性之间的平衡性方面优异的标准制造金属丝，并且提供使用相同的轧制技术，其中不会发生滚动阶段中的材料的下落，并且使得材料对口径的丰满度是合适的。＆lt; P＆gt;解决方案：设置与待轧制的金属材料的通行方向正交的第一轧机，并且设置有一对其中心轴线平行的两个口径辊，并且相邻地，第二轧机正交与被轧制的金属材料的轧制方向相对应地设置有一对两个轴向中心平行的口径辊。此外，串联布置卷旋转驱动是独立系统的多个甚至邻近的轧机组。此外，根据一个即使接近的轧机组的减少面积R的总和设定为30〜50％，并且调节轧辊等的外径的圆周速度比。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2011101885A Method of manufacturing metal wire 有权
标题翻译：制造金属线的方法
公开(公告)号：JP2011101885A
公开(公告)日：2011-05-26
申请号：JP2009256673
申请日：2009-11-10
申请人： National Institute For Materials Science , Osaka Seiko Kk , 大阪精工株式会社 , 独立行政法人物質・材料研究機構
发明人： MORIKAWA TSUTOMU , TORIZUKA SHIRO , MURAMATSU EIJIRO
IPC分类号： B21B1/16 , B21B27/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a metal wire by which the torsion of a metal wire rod is prevented during rolling the metal wire rod.
SOLUTION: The metal wire rod is warm-rolled with first flat forming rolls so that the total reduction rate of area throughout the whole process is ≥75%, next, warm-rolled so as to have a cross-sectional shape which is composed of a restrained portion and an unrestrained portion which satisfies a formula (1) and a formula (2) with first caliber rolls, warm-rolled so as to pressurized the unrestrained portion with second flat rolls and further the warm rolling is performed so as to lower a flatness rate. In the formula (1) w
1 ≥0.26 w
10 and (2) r
1 ≥2.23w
10 , w
1 denotes the distance in a straight line between both ends of the unrestrained portion, w
10 denotes the width of the metal wire rod after performing the warm-rolling with the first caliber rolls and r
1 denotes the radius of curvature of the outer periphery of the unrestrained portion.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种金属丝的制造方法，在金属线材轧制过程中金属丝线的扭转被防止。
解决方案：金属线材用第一平面成型辊进行热轧，整个工序的总面积减少率为≥75％，接下来进行热轧，以形成横截面形状由具有第一口径辊的满足公式（1）和式（2）的约束部分和无约束部分组成，用第二平辊对被加热无限制部分进行热轧，并进一步进行热轧降低平坦度。在式（1）中，w 1 ≥0.26w 10 和（2）r SB <1> ≥2.23w 10 ，w 1 表示无限制部分的两端之间的直线的距离，w 10 表示在进行热轧后的金属线材的宽度，第一口径辊和r 1 表示无限制部分的外周的曲率半径。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2005320630A High-strength steel wire or steel bar with excellent cold workability, high-strength formed article, and process for producing them 有权
标题翻译：高强度钢丝或钢棒，具有优异的耐磨性，高强度成形品及其生产工艺
公开(公告)号：JP2005320630A
公开(公告)日：2005-11-17
申请号：JP2005114033
申请日：2005-04-11
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORITSUKA SHIRO , MURAMATSU EIJIRO , NAGAI HISASHI
IPC分类号： B21J5/00 , C21D8/06 , C21D9/52 , C22C38/00 , C22C38/04 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide, with respect to steel to be subjected to forming by cold working including cold heading etc., particularly a steel wire and a steel bar, and a high-strength article such as screw and bolt using them, a steel wire or steel bar of high-strength steel which has sufficient cold workability without being subjected to softening treatment such as spheroidizing annealing and in which the necessity of quench-and-temper treatment for required extremely high-strength mechanical properties after forming by cold working can be obviated and delayed fracture resistance can be secured, a formed article using the steel wire or steel bar, and processes for producing them. SOLUTION: Warm working is applied at 350 to 800°C working temperature to a steel ingot, cast billet, steel billet or steel semifinished product having a C content not greater than the solid solution limit of carbon of ferrite phase at the Ae 1 point to prepare a material having ≤3μm average crystal grain size at a cross section perpendicular to the longitudinal direction. Subsequently, cold working is applied to form a ferrite structure of ≤500 nm average crystal grain size at a cross section perpendicular to the longitudinal direction. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：对于通过冷镦等的冷加工成形的钢，特别是钢丝和钢筋，以及使用螺杆和螺栓的高强度物品，提供使用它们是具有足够的冷加工性而不经受球化退火的软化处理的高强度钢的钢线或钢棒，并且其中需要淬火和回火处理以形成所需的极高强度机械性能可以避免冷加工，并且可以确保耐断裂性，使用钢丝或钢棒的成型制品及其制造方法。
解决方案：在350至800℃的工作温度下，对A含量不大于铁素体相的固溶极限的钢锭，铸钢坯，钢坯或钢半成品进行热加工指出在垂直于纵向的横截面上制备具有≤3μm平均晶粒尺寸的材料。随后，在垂直于纵向的横截面处施加冷加工以形成平均晶粒尺寸≤500nm的铁素体结构。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2009228137A Steel of high strength and superior in cold heading characteristic and fastening parts such as screw and bolt or formed article such as shaft superior in strength 有权
标题翻译：高强度钢和高强度钢在冷镦特性和紧固部件如螺栓和螺栓或成形件如高强度强度
公开(公告)号：JP2009228137A
公开(公告)日：2009-10-08
申请号：JP2009119384
申请日：2009-05-18
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORIZUKA SHIRO , MURAMATSU EIJIRO , NAGAI HISASHI
IPC分类号： C22C38/00 , B21B1/16 , B21B3/00 , B21J5/00 , B21K1/06 , B21K1/44 , B21K1/64 , C21D8/06 , C21D9/52 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a wire rod or a bar stock and steel including the wire rod or bar stock extensively which are free from the occurrence of a recess crack or similar defects even after worked into a steel wire or a steel bar then subjected to cold heading and form rolling or machining or working mainly comprising the machining without subjected to heat treatment thereby formed into fastening parts such as screws and bolts or formed articles such as shafts, and which have already desired high level strength in the stage of the steel wire or the steel bar without applying tempering processing to the fastening parts such as screws and bolts or the formed articles such as shafts formed by cold heading or the like. SOLUTION: The steel for cold heading has a ferrite structure in which the volume fraction of cementite is 0% and a mean particle diameter is ≤1 μm in a cross section perpendicular to a rolling direction, the steel has mechanical properties of ≥600 MPa in tensile strength TS and ≥70% in reduction RA and is not subjected to spheroidizing annealing. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种包括线材或棒料的线材或棒料和钢材，其广泛地即使在加工成钢丝或钢之后也没有发生凹陷裂纹或类似的缺陷然后进行冷镦和成型轧制或机加工或主要包括机加工而不进行热处理的工作，从而形成诸如螺钉和螺栓的紧固部件或诸如轴的成形制品，并且已经在阶段中已经期望高水平的强度的钢丝或钢筋，而不对诸如螺钉和螺栓的紧固部件或由冷镦等形成的轴的成形制品进行回火处理。解决方案：冷镦钢具有铁素体结构，其中在与轧制方向垂直的截面中，渗碳体的体积分数为0％，平均粒径为≤1μm，钢的机械性能≥ 拉伸强度TS为600MPa，还原RA为≥70％，不进行球化退火。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009220137A Method of manufacturing steel strip or steel sheet 审中-公开
标题翻译：制造钢带或钢板的方法
公开(公告)号：JP2009220137A
公开(公告)日：2009-10-01
申请号：JP2008066265
申请日：2008-03-14
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORIZUKA SHIRO , MURAMATSU EIJIRO
IPC分类号： B21B1/08 , B21B1/12 , C22C38/00 , C22C38/06 , C22C38/40
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a steel strip or a steel sheet having comparatively thin thickness and narrow width, the method being usable from the manufacturing of multiple models in smaller lots to the manufacturing of big volumes of specified kinds of products with a small scale equipment.
SOLUTION: This method is a method by which a steel wire rod, a steel wire, or a steel bar composed of marketed carbon steel, ferritic stainless steel, or austenitic stainless steel is used as a start material and it is rolled to the final thickness with flat rolls 2 in the cold temperature region, or a method by which first the material is rolled with caliber rolls 2 in the cold temperature region and it is rolled to the final thickness with the flat rolls in the cold temperature region, or after first it is rolled with the caliber rolls in a warm temperature region and rolled to the final thickness with the flat rolls in the cold temperature region, and large strain is introduced from the start material by a prescribed step of an intermediate material and the final material.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种制造厚度较薄，宽度窄的钢带或钢板的方法，该方法可用于制造较小批量的多个型号，以制造大体积的规定各种产品具有小型设备。解决方案：该方法是使用由市售碳钢，铁素体不锈钢或奥氏体不锈钢构成的钢线，钢丝或钢棒作为起始材料的方法，并将其轧制成在冷温区域中的平辊2的最终厚度，或首先在冷温区域中用口径辊2轧制材料的方法，并且在冷温度区域中用平辊轧制到最终厚度，或者首先在温暖区域中用口径辊轧制，并且在冷温度区域中用平辊轧制到最终厚度，并且通过中间材料的规定步骤从起始材料引入大的应变，并且最终材料。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009030085A Method for manufacturing non-heat-treated small screw 有权
标题翻译：制造非加热小螺杆的方法
公开(公告)号：JP2009030085A
公开(公告)日：2009-02-12
申请号：JP2007192845
申请日：2007-07-25
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORITSUKA SHIRO , MURAMATSU EIJIRO
IPC分类号： C21D8/06 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a new technical means which can manufacture a non-heat-treated high strength small screw excellent in toughness and delayed cracking resistance at a low cost by saving the resources and processes. SOLUTION: To a hot-rolled steel wire rod having a chemical component composition by mass% of ≤0.15% C, ≤0.60% Si, 0.05-1.50% Mn, ≤0.030% P, ≤0.025% S, ≤0.060% Al and the balance Fe with inevitable impurities, a spheroidizing annealing treatment is applied and a steel wire is adjusted by reducing the diameter with cold wire-drawing or the cold wire-drawing and the other cold-plastic working, and the steel wire is forming-worked into the small screw with a cold-heading or the cold-heading and the other cold-working to manufacture the non-heat-treated high strength small screw. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种新的技术手段，其可以通过节省资源和工艺，以低成本制造韧性优异和耐延迟抗开裂性的非热处理高强度小螺杆。解决方案：将具有质量％≤0.15％C，≤0.60％Si，0.05-1.50％Mn，≤0.030％P，≤0.025％S，≤0.060的化学成分组成的热轧钢线材％Al，余量为不可避免的杂质，应用球化退火处理，通过冷拉拔或冷拔丝等方法减小直径和其他冷塑性加工而调整钢丝，钢丝是用冷镦或冷镦成型加工成小螺丝，另一种冷加工制造未经热处理的高强度小螺钉。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007002950A High-strength tapping screw and manufacturing method therefor 有权
标题翻译：高强度拔丝螺丝及其制造方法
公开(公告)号：JP2007002950A
公开(公告)日：2007-01-11
申请号：JP2005185796
申请日：2005-06-24
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORITSUKA SHIRO , NAGAI HISASHI , MURAMATSU EIJIRO
IPC分类号： F16B25/00 , B21B1/16 , B21B3/00 , C21D1/26 , C22C38/00 , C22C38/06 , C23C30/00 , F16B33/06 , F16B35/00
CPC分类号： C22C38/04 , C22C38/02 , C23C28/322 , C23C28/3455 , F16B25/0021 , F16B33/06
摘要： PROBLEM TO BE SOLVED: To provide a high-strength tapping screw which is excellent in both screwing ability and torsional strength without performing carburizing/quenching/tempering process like before.
SOLUTION: The molded body of the tapping screw has a hyperfine grain ferrite structure having an average particle diameter of 2 μm or less on at least one cross section in an arbitrary direction of the molded body. Then on the surface of the molded body of the tapping screw, at least one of three coating films consisting of a metal plating coating film, a chromate coating film and an electrodeposition coating film is formed.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2004346420A Warm-rolling method 有权
标题翻译：温度滚动方法
公开(公告)号：JP2004346420A
公开(公告)日：2004-12-09
申请号：JP2003180290
申请日：2003-05-20
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： TORITSUKA SHIRO , MURAMATSU EIJIRO , INOUE TADANOBU , NAGAI HISASHI
IPC分类号： B21B1/00 , B21B1/16 , B21B1/18 , C21D8/00 , C21D8/02 , C21D8/06
CPC分类号： B21B1/18 , C21D8/005 , C21D8/0231 , C21D8/06
摘要： PROBLEM TO BE SOLVED: To provide a new multi-way warm rolling method which introduces a large strain in a material with a simple means and with less reduction ratio and less number of passes, and to produce a steel material having extremely fine crystal grain structure, excellent strength and ductility by the above method.
SOLUTION: The warm rolling method is employed to produce the extremely fine grain steel material having the extremely fine crystal grain structure of ≤3 μm average grain diameter. When rolling having ≥2 passes in a temperature range of 350 to 800°C rolling temperature range is applied to the steel material, the rolling of at least one time with a caliber having an oval shape and the rolling with a caliber having the other shape are performed.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种以简单的手段，较少的压下率和较少的通过量在材料中引入大的应变的新的多路温轧方法，并且生产具有极细的钢材料晶粒结构，通过上述方法优异的强度和延展性。解决方案：采用温轧方法制造具有≤3μm平均粒径的极细晶粒结构的极细晶粒钢材料。在350〜800℃的温度范围内滚动≥2次的轧制时，对钢材施加轧制温度范围，至少一次具有椭圆形的口径和具有其他形状的口径的轧制被执行。版权所有（C）2005，JPO＆NCIPI

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