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1. 发明专利

JP2014101533A Post-heat-treatment device 有权
标题翻译：后热处理装置
公开(公告)号：JP2014101533A
公开(公告)日：2014-06-05
申请号：JP2012252111
申请日：2012-11-16
申请人： Nippon Steel & Sumitomo Metal , 新日鐵住金株式会社
发明人： KARIMINE KENICHI , UEDA MASAHARU
IPC分类号： C21D9/04 , B23K31/00 , C21D1/30 , C21D1/42 , C21D9/50 , C22C38/00 , H05B6/36 , H05B6/44
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a post-heat-treatment device that can effectively reduce the residual stress in a welded part of a rail.SOLUTION: Provided is a post-heat-treatment device 10 for a welded rail X, which is placed 20 mm or more and 300 mm or less away in a lengthwise direction from the weld center X2 of the rail X, and is provided with an induction heating coil 11 to heat at least a column part X5 of the rail X. Preferably the number of turns of the induction heating coil 11 is 2 turns or more, or the number of placement locations of the induction heating coil 11 on one side of the weld center X2 is 2 locations or more.
摘要翻译：要解决的问题：提供一种可以有效地减少轨道的焊接部分中的残余应力的后热处理装置。解决方案：提供一种用于焊接轨道X的后热处理装置10，其被放置在轨道X的焊接中心X2的长度方向上距离为20mm以上且300mm以下，并且设置有感应加热线圈11，以加热轨道X的至少一个列部分X5。优选地，感应加热线圈11的匝数为2匝以上，或者感应加热线圈11在焊接中心X2一侧的配置位置数为2个以上。

2. 发明专利

JP2013224472A Rail excellent in delayed-fracture resistance characteristics 有权
$Rail excellent in delayed-fracture resistance characteristics$
标题翻译：延迟耐断裂特性优良
公开(公告)号：JP2013224472A
公开(公告)日：2013-10-31
申请号：JP2012097586
申请日：2012-04-23
申请人： Nippon Steel & Sumitomo Metal Corp , 新日鐵住金株式会社
发明人： UEDA MASAHARU , MIYAZAKI TERUHISA
IPC分类号： C22C38/00 , C22C38/04 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To improve delayed-fracture resistance characteristics and greatly improve life of a rail used in a railway for freight transport abroad, by controlling components and structure of a rail steel, controlling the amount of MnS sulfides, i.e. relatively controlling the contents of S and an impurity element P in the steel and reducing the amount of hydrogen.SOLUTION: A steel rail comprises, by mass, >0.85 but ≤1.20% C, 0.10-2.00% Si, 0.10-2.00% Mn, ≤0.0100% P, 0.0200-0.0350% S and the balance being Fe and unavoidable impurities, wherein a U value calculated by formula 1: U=P×S×10is within the range of 50-200%. The steel rail has a pearlite structure at a head corner part of the steel rail and an area of 95% or more of a head surface part starting from a surface of a top part to a depth of 20 mm.
摘要翻译：要解决的问题：通过控制铁路钢铁的部件和结构，控制硫化锰的量，即相对控制内容物，提高延迟断裂抵抗特性，大大提高铁路货运在国外使用的轨道的使用寿命的钢和杂质元素P，并减少氢的量。解决方案：钢轨包括：质量分数为> 0.85但≤1.20％的C，0.10-2.00％的Si，0.10-2.00％的Mn，≤0.0100％ P，0.0200-0.0350％S，余量为Fe和不可避免的杂质，其中由式1计算的U值：U = P×S×10在50-200％的范围内。钢轨在钢轨的头角部分具有珠光体结构，并且从顶部的表面开始到20mm的深度的头表面部分的面积为95％以上。

3. 发明专利

JP2013014847A Method for producing pearlitic rail excellent in wear resistance and ductility 有权
标题翻译：用于生产耐磨损和耐腐蚀性的珍珠岩的方法
公开(公告)号：JP2013014847A
公开(公告)日：2013-01-24
申请号：JP2012221219
申请日：2012-10-03
申请人： Nippon Steel & Sumitomo Metal Corp , 新日鐵住金株式会社
发明人： UEDA MASAHARU , SEKI KAZUNORI , SATO TAKUYA , YAMAMOTO TAKESHI
IPC分类号： C21D8/00 , C22C38/00 , C22C38/04 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To improve wear resistance and ductility of a rail by controlling the component of a steel, ratio of reaction force in a finish rolling process and a heat treatment condition after the finish rolling process to make a structure of a head part of the rail fine and control the hardness within a predetermined range.SOLUTION: The method is used to produce a pearlitic rail excellent in wear resistance and ductility by performing at least rough hot rolling and finish hot rolling to a rolling billet for the rail which comprises, by mass%, C: 0.65-1.20%, Si: 0.05-2.00%, Mn: 0.05-2.00%, and the balance being Fe and unavoidable impurities. The finish hot rolling is conducted at a temperature range where a rail head surface is in a temperature range of not higher than 900°C to not lower than Ar3 transformation point or Arcm transformation point to obtain a structure in which an amount of non-recrystallization austenite structure produced immediately after the rolling counts for not less than 40% and not more than 70% by an area ratio. Then, the rail head part surface after finish hot rolling is subjected to accelerated cooling to at least 550°C at a cooling rate of 2 to 30°C/sec within 150 sec after the completion of the finish rolling.
摘要翻译：要解决的问题：通过控制钢的组分，精轧过程中的反作用力与精轧后的热处理条件的比例来提高轨道的耐磨性和延展性，从而形成导轨的头部精细，并将硬度控制在预定范围内。解决方案：该方法用于通过对用于轨道的轧制坯进行至少粗加热和精轧热轧制造出耐磨性和延展性优异的珠光体钢轨，质量％为C：0.65-1.20 ％，Si：0.05〜2.00％，Mn：0.05〜2.00％，余量为Fe和不可避免的杂质。精轧热在轨头表面处于不高于900℃至不低于Ar3相变点或Arcm相变点的温度范围内进行，以获得不结晶量的结构轧制后立即生产的奥氏体结构以面积比计算不小于40％且不大于70％。然后，在精轧结束后的150秒内，以2〜30℃/秒的冷却速度将精热轧后的钢轨头部表面进行加速冷却至至少550℃。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2017088929A 耐摩耗性に優れたレール审中-公开
公开(公告)号：JP2017088929A
公开(公告)日：2017-05-25
申请号：JP2015217686
申请日：2015-11-05
申请人：新日鐵住金株式会社 , Nippon Steel & Sumitomo Metal
发明人： UEDA MASAHARU , MIYAZAKI TERUHISA
IPC分类号： C22C38/00 , C22C38/12 , C22C38/58
摘要：【課題】レール鋼の合金成分、組織、頭部の硬さを制御し、さらに、Ta炭化物、Hf炭化物、TaとHfの複合炭化物の粒径範囲や単位面積当たりの個数を制御することにより、海外の貨物鉄道で使用される場合のレールの飛躍的に耐摩耗性を向上させ、使用寿命を大きく向上させることが可能となる。【解決手段】質量%で、C:0.75〜1.20%、Si:0.10〜2.00%、Mn:0.10〜2.00%、P≦0.0250%、S≦0.0250%を含有し、さらに、Ta、Hfのいずれか1種または2種の合計で0.01〜1.00%含有し、残部がFeおよび不可避的不純物からなる鋼レールにおいて、頭部外郭表面を起点として深さ20mmまでの範囲の95%以上がパーライト組織であり、かつ、前記範囲の硬さがHv300〜500の範囲であることを特徴とする耐摩耗性に優れたレール。【選択図】図1

5. 发明专利

JP2014101583A Method of manufacturing rail 有权
标题翻译：制造铁路的方法
公开(公告)号：JP2014101583A
公开(公告)日：2014-06-05
申请号：JP2014029930
申请日：2014-02-19
申请人： Nippon Steel & Sumitomo Metal , 新日鐵住金株式会社
发明人： UEDA MASAHARU , MIYAZAKI TERUHISA
IPC分类号： C21D8/00 , C21D9/04 , C22C38/00 , C22C38/58
CPC分类号： C22C38/24 , C21D9/04 , C21D2211/009 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/26 , E01B5/02
摘要： PROBLEM TO BE SOLVED: To provide a rail having improved internal fatigue damage resistance which is required for a rail of a freight railway.SOLUTION: The method of manufacturing a rail is characterized by setting a final rolling temperature at an outline surface of the rail head part at over 1000°C and 1100°C or less, and a ratio of a final rolling reduction area defined in a percentage of the reduction area to a steel cross area before initiation of hot rolling at 1.0 to 3.9% in a hot rolling when manufactured by re-heating a bloom having a prescribed chemical composition and acceleratively cooling immediately after preparing the rail by conducting hot rolling. The method of manufacturing a rail is characterized by setting the re-heating temperature at over 1000°C and 1150°C or less and a retention time at 5 to 10 minutes in re-heating of the rail when manufactured by re-heating the bloom and acceleratively cooling immediately after preparing the rail by conducting hot rolling.
摘要翻译：要解决的问题：提供一种具有改善的货运铁路轨道所需的内部疲劳损伤抗力的轨道。解决方案：制造轨道的方法的特征在于在轨头的轮廓表面设定最终轧制温度超过1000℃和1100℃以下的部分，以及在热轧中以1.0〜3.9％的热轧开始时的还原面积与钢交叉面积的比例定义的最终轧制面积的比例，通过重新加热具有规定化学成分的花纹并通过热轧制备轨道后立即加速冷却而制造。轨道的制造方法的特征在于，当通过重新加热花纹制造时，将再加热温度设定在1000℃以上1150℃以下，并且在轨道再加热时的停留时间为5〜10分钟并且通过进行热轧在制备轨道之后立即加速冷却。

6. 发明专利

JP2013224471A Rail excellent in delayed-fracture resistance characteristics 有权
$Rail excellent in delayed-fracture resistance characteristics$
标题翻译：延迟耐断裂特性优良
公开(公告)号：JP2013224471A
公开(公告)日：2013-10-31
申请号：JP2012097585
申请日：2012-04-23
申请人： Nippon Steel & Sumitomo Metal Corp , 新日鐵住金株式会社
发明人： UEDA MASAHARU , MIYAZAKI TERUHISA , YAMAMOTO TAKESHI
IPC分类号： C22C38/00 , C21D9/04 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To improve delayed-fracture resistance characteristics and greatly improve life of a rail used in a railway for freight transport abroad, by controlling components and structure of a rail steel, controlling shape and number of Ti carbonitrides in the steel, increasing the amount of N added and reducing the amount of hydrogen.SOLUTION: A steel rail comprises, by mass, 0.70-1.20% C, 0.05-2.00% Si, 0.10-2.00% Mn, >0.0010% but
摘要翻译：要解决的问题：为了提高延迟断裂抵抗特性，大大提高铁路货运铁路在国外的使用寿命，通过控制钢轨的组成和结构，控制钢中Ti碳氮化物的形状和数量增加添加量N并减少氢的量。解决方案：钢轨以质量计含有0.70-1.20％的C，0.05-2.00％的Si，0.10-2.00％的Mn，> 0.0010％但<0.0050％的Ti，余量为Fe和不可避免的杂质。钢轨在钢轨的头角部分具有珠光体或贝氏体结构，并且从顶部表面到20mm的深度开始的头表面部分的面积为95％以上。在结构的任意横截面中，粒径为20-100nm的Ti碳氮化物每0.01mm测试面积存在250-5,000个片。

7. 发明专利

JP2014101534A Post-heat-treatment device 有权
标题翻译：后热处理装置
公开(公告)号：JP2014101534A
公开(公告)日：2014-06-05
申请号：JP2012252113
申请日：2012-11-16
申请人： Nippon Steel & Sumitomo Metal , 新日鐵住金株式会社
发明人： KARIMINE KENICHI , UEDA MASAHARU
IPC分类号： C21D9/04 , B23K31/00 , E01B11/44
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a post-heat-treatment device that can effectively reduce the residual stress in a welded part of a rail and that can suppress the increase of the residual stress in a lengthwise direction.SOLUTION: Provided is a post-heat-treatment device 10 for a welded rail X, which is placed 20 mm or more and 300 mm or less away in a lengthwise direction from a weld center X2 of the rail X, and is provided with an induction heating coils 11a to 11d to heat the whole periphery of the rail X. Preferably the number of turns of the induction heating coils 11a to 11d is 2 turns or more, or the number of placement locations of the induction heating coils 11a to 11d on one side of the weld center X2 is 2 locations or more. Preferably the induction heating coils 11a to 11d have a shape covering the whole periphery of the rail X.
摘要翻译：要解决的问题：提供一种可以有效地减少轨道的焊接部分中的残余应力并且可以抑制长度方向上的残余应力的增加的后热处理装置。解决方案：在轨道X的焊接中心X2的长度方向上距离为20mm以上且300mm以下的焊接轨道X的热处理装置10具有感应加热线圈11a〜11d〜加热轨道X的整个周边。优选地，感应加热线圈11a至11d的匝数为2匝以上，或者焊接中心X2一侧的感应加热线圈11a〜11d的配置位置数是2个以上的地点。感应加热线圈11a至11d最好具有覆盖导轨X的整个周边的形状。

8. 发明专利

JP2013147725A Method for selecting material for rail steel and wheel steel 有权
标题翻译：选择钢铁和钢铁材料的方法
公开(公告)号：JP2013147725A
公开(公告)日：2013-08-01
申请号：JP2012011288
申请日：2012-01-23
申请人： Nippon Steel & Sumitomo Metal Corp , 新日鐵住金株式会社
发明人： UEDA MASAHARU , IWANO KATSUYA , YAMAMOTO TAKESHI
IPC分类号： C22C38/00 , B60B17/00 , C22C38/04 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To improve the collective service life of a rail and a wheel by achieving the improvement of wear resistance in the combination of rail steel and wheel steel.SOLUTION: When the rail steel having a pearlite structure, composed by mass% of 0.70-1.20% C, 0.05-2.00% Si, 0.05-2.00% Mn, ≤0.025% P, ≤0.025% S and the balance Fe with inevitable impurities, and the wheel steel having pearlite or tempering martensite structure, composed by mass% of 0.55-0.80% C, 0.10-0.80% Si, 0.20-1.00% Mn, ≤0.030% P, ≤0.030% S and the balance Fe with inevitable impurities, are used as the rail of the actual track and as the wheel of the car; a method for selecting the materials for the rail steel and the wheel steel has the peculiarity to control the ratio of the hardness of the rail head-top part: RH to the hardness of the wheel tread-part: WH, in the range shown in the following formula (1), wherein (1): 1.00≤RH/WH≤1.30 (Hardness: HV).
摘要翻译：要解决的问题：通过提高轨道钢和车轮钢组合中的耐磨性，提高轨道和车轮的集体使用寿命。解决方案：当具有珠光体结构的轨道钢由质量％ 0.70-1.20％C，0.05-2.00％Si，0.05-2.00％Mn，≤0.025％P，≤0.025％S，余量为Fe与不可避免的杂质，具有珠光体或回火马氏体组织的轮钢，以质量％ 0.55-0.80％C，0.10-0.80％Si，0.20-1.00％Mn，≤0.030％P，≤0.030％S，余量为不可避免的杂质，用作实际轨道的轨道和作为汽车用于选择轨道钢和车轮钢的材料的方法具有以下特征：控制轨头部的硬度与RH的轮胎胎面部的硬度之比：WH，在下式（1），其中（1）：1.00≤RH/WH≤1.30（硬度：HV）。

9. 发明专利

JP2013053373A Method for manufacturing long rail 有权
标题翻译：制造长铁的方法
公开(公告)号：JP2013053373A
公开(公告)日：2013-03-21
申请号：JP2012253416
申请日：2012-11-19
申请人： Nippon Steel & Sumitomo Metal Corp , 新日鐵住金株式会社
发明人： KARIMINE KENICHI , UEDA MASAHARU
IPC分类号： C21D7/06 , B23K9/038 , B23K31/00
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a long rail improved in fatigue strength of the welded part thereof in comparison with the conventional rail.SOLUTION: The method for manufacturing the long rail includes: welding at least two pieces of rails together by enclosed-arc-welding; and applies ultrasonic peening treatment to the end-edge part of a bead formed in the welded part and to discontinued portion of the bead. In the method for manufacturing the long rail, a hammering member used in the ultrasonic peening treatment is moved along the end-edge part and the discontinued portion at a speed of 5-10 mm/sec for more than 3 passes.

10. 发明专利

JP2013011503A Steel material temperature measurement method and steel material temperature measurement device 有权
标题翻译：钢材温度测量方法和钢材温度测量装置
公开(公告)号：JP2013011503A
公开(公告)日：2013-01-17
申请号：JP2011144081
申请日：2011-06-29
申请人： Nippon Steel & Sumitomo Metal , 新日鐵住金株式会社
发明人： HASEGAWA NOBORU , SATO TAKUYA , UEDA MASAHARU , MIYAZAKI TERUHISA
IPC分类号： G01J5/46
摘要： PROBLEM TO BE SOLVED: To provide a steel material temperature measurement method and a steel material temperature measurement device that can measure a surface temperature of a steel material by non-contact even in the presence of mist, steam and dust.SOLUTION: The steel material temperature measurement method includes: a radiation wave detection step for detecting an electromagnetic wave belonging to a micro wave-millimeter wave band of radiation waves radiated from the steel material after the lapse of time required for growth of a magnetite layer having more than thickness corresponding to a state in which the size of the radiation electromagnetic wave belonging to the micro wave-millimeter wave band and a surface temperature of the steel material becomes a linear relationship on the surface of the steel material; and a temperature calculation step for calculating the surface temperature of the steel material from the size of the detected electromagnetic wave belonging to the micro wave-millimeter wave band using correlation relationship information showing a correlation relationship between the size of the radiation electromagnetic wave belonging to the micro wave-millimeter wave band and the surface temperature of the steel material, which is generated in advance, and the size of the electromagnetic wave belonging to the detected micro wave-millimeter wave band.
摘要翻译：要解决的问题：提供钢材温度测量方法和钢材温度测量装置，即使在存在雾，蒸汽和粉尘的情况下也可以通过非接触的方式测量钢材的表面温度。钢材温度测量方法包括：辐射波检测步骤，用于检测属于在生长所需的时间过去之后从钢材辐射的辐射波的微波毫米波段的电磁波对应于属于微波毫米波段的辐射电磁波的尺寸和钢材表面温度与钢材表面呈线性关系的状态的磁铁矿层的厚度大致相同的磁铁矿层; 以及温度计算步骤，用于根据属于微波毫米波段的检测电磁波的尺寸，使用表示属于该微波毫米波段的辐射电磁波的大小之间的相关关系的相关关系信息来计算钢材的表面温度微波毫米波段和预先产生的钢材的表面温度以及属于检测到的微波毫米波段的电磁波的尺寸。版权所有（C）2013，JPO＆INPIT

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