公开(公告)号：US07828917B2

公开(公告)日：2010-11-09

申请号：US10585472

申请日：2005-01-07

申请人： Noriaki Onodera ,  Takuya Satoh ,  Masaharu Ueda ,  Kazuo Fujita ,  Akira Kobayashi

发明人： Noriaki Onodera ,  Takuya Satoh ,  Masaharu Ueda ,  Kazuo Fujita ,  Akira Kobayashi

IPC分类号： C21D9/04 ,  C21D9/06

CPC分类号： C21D9/06 ,  B21B1/085 ,  B21B2045/0254 ,  C21D1/84 ,  C21D9/04

摘要： A rail manufacturing method is provided, in which a billet is hot-rolled into a rail form and the rail is cooled to ambient temperature. The foot part of the rail can be mechanically restrained to improve the straightness of the rail during at least the period of cooling where the surface temperature is between 800° C. and 400° C. In the subsequent cooling process, at least while the surface temperature of the foot of the rail is between 400° C. and 250° C., the rail is kept in an upright state, and cooled naturally without using insulation or accelerated cooling.

摘要翻译： 提供了一种轨道制造方法，其中坯料被热轧成轨道形式并且轨道被冷却到环境温度。 轨道的脚部可以被机械地约束，以至少在表面温度在800℃和400℃之间的冷却期间提高轨道的平直度。在随后的冷却过程中，至少在表面 导轨脚的温度在400°C到250°C之间，轨道保持直立状态，并自然冷却而不使用绝缘或加速冷却。

公开(公告)号：US20090014099A1

公开(公告)日：2009-01-15

申请号：US10585472

申请日：2005-01-07

申请人： Noriaki Onodera ,  Takuya Satoh ,  Masaharu Ueda ,  Kazuo Fujita ,  Akira Kobayashi

发明人： Noriaki Onodera ,  Takuya Satoh ,  Masaharu Ueda ,  Kazuo Fujita ,  Akira Kobayashi

IPC分类号： C21D8/00

CPC分类号： C21D9/06 ,  B21B1/085 ,  B21B2045/0254 ,  C21D1/84 ,  C21D9/04

摘要： A rail manufacturing method is provided, in which a billet is hot-rolled into a rail form and the rail is cooled to ambient temperature. The foot part of the rail can be mechanically restrained to improve the straightness of the rail during at least the period of cooling where the surface temperature is between 800° C. and 400° C. In the subsequent cooling process, at least while the surface temperature of the foot of the rail is between 400° C. and 250° C., the rail is kept in an upright state, and cooled naturally without using insulation or accelerated cooling.

摘要翻译： 提供了一种轨道制造方法，其中坯料被热轧成轨道形式并且轨道被冷却至环境温度。 轨道的脚部可以被机械地约束，以至少在表面温度在800℃和400℃之间的冷却期间提高轨道的平直度。在随后的冷却过程中，至少在表面 导轨脚的温度在400°C到250°C之间，轨道保持直立状态，并自然冷却而不使用绝缘或加速冷却。

公开(公告)号：US20080011393A1

公开(公告)日：2008-01-17

申请号：US11780166

申请日：2007-07-19

申请人： Masaharu Ueda ,  Koichiro Matsushita ,  Kazuo Fujita ,  Katsuya Iwano ,  Koichi Uchino ,  Takashi Morohoshi ,  Akira Kobayashi

发明人： Masaharu Ueda ,  Koichiro Matsushita ,  Kazuo Fujita ,  Katsuya Iwano ,  Koichi Uchino ,  Takashi Morohoshi ,  Akira Kobayashi

IPC分类号： C21D9/04

CPC分类号： C22C38/02 ,  C21D8/00 ,  C21D8/005 ,  C21D9/04 ,  C21D2211/009 ,  C22C38/002 ,  C22C38/04 ,  C22C38/18

摘要： The present invention is: a pearlitic steel rail excellent in wear resistance and ductility, characterized in that, in a steel rail having pearlite structure containing, in mass, 0.65 to 1.40% C, the number of the pearlite blocks having grain sizes in the range from 1 to 15 μm is 200 or more per 0.2 mm2 of an observation field at least in a part of the region down to a depth of 10 mm from the surface of the corners and top of the head portion; and a method for producing a pearlitic steel rail excellent in wear resistance and ductility, characterized by, in the hot rolling of said steel rail, applying finish rolling so that the temperature of the rail surface may be in the range from 850° C. to 1,000° C. and the sectional area reduction ratio at the final pass may be 6% or more, and then applying accelerated cooling to the head portion of said rail at a cooling rate in the range from 1 to 30° C./sec. from the austenite temperature range to at least 550° C.

摘要翻译： 本发明是一种耐磨损性和延展性优异的珠光体钢轨道，其特征在于，在具有质量为0.65〜1.40％C的珠光体组织的钢轨中，粒径在该范围内的珠光体块的数量 至少一部分区域中，从角到顶的距离为10mm的距离，从1到15个妈妈是0.2或2以上的0.2mm 2的观察场所， 一部分; 以及具有优异的耐磨性和延展性的珠光体钢轨的制造方法，其特征在于，在所述钢轨的热轧中进行精轧，使得轨面的温度可以在850℃〜 1000℃，最终通过时的截面积减少率可以为6％以上，然后以1〜30℃/秒的冷却速度对所述导轨的头部进行加速冷却。 从奥氏体温度范围至至少550℃

公开(公告)号：US07972451B2

公开(公告)日：2011-07-05

申请号：US11780166

申请日：2007-07-19

申请人： Masaharu Ueda ,  Koichiro Matsushita ,  Kazuo Fujita ,  Katsuya Iwano ,  Koichi Uchino ,  Takashi Morohoshi ,  Akira Kobayashi

发明人： Masaharu Ueda ,  Koichiro Matsushita ,  Kazuo Fujita ,  Katsuya Iwano ,  Koichi Uchino ,  Takashi Morohoshi ,  Akira Kobayashi

IPC分类号： C22C38/02 ,  C22C38/04 ,  C21D9/04

CPC分类号： C22C38/02 ,  C21D8/00 ,  C21D8/005 ,  C21D9/04 ,  C21D2211/009 ,  C22C38/002 ,  C22C38/04 ,  C22C38/18

摘要： The present invention is: a pearlitic steel rail excellent in wear resistance and ductility, characterized in that, in a steel rail having pearlite structure containing, in mass, 0.65 to 1.40% C, the number of the pearlite blocks having grain sizes in the range from 1 to 15 μm is 200 or more per 0.2 mm2 of an observation field at least in a part of the region down to a depth of 10 mm from the surface of the corners and top of the head portion; and a method for producing a pearlitic steel rail excellent in wear resistance and ductility, characterized by, in the hot rolling of said steel rail, applying finish rolling so that the temperature of the rail surface may be in the range from 850° C. to 1,000° C. and the sectional area reduction ratio at the final pass may be 6% or more, and then applying accelerated cooling to the head portion of said rail at a cooling rate in the range from 1 to 30° C./sec. from the austenite temperature range to at least 550° C.

摘要翻译： 本发明是一种耐磨损性和延展性优异的珠光体钢轨道，其特征在于，在具有质量为0.65〜1.40％C的珠光体组织的钢轨中，粒径在该范围内的珠光体块的数量 至少在距离头部的角部和顶部的表面的深度为10mm的区域的至少一部分中，1至15μm的每0.2mm2的观察场域是200或更多的观察场域; 以及具有优异的耐磨性和延展性的珠光体钢轨的制造方法，其特征在于，在所述钢轨的热轧中进行精轧，使得轨面的温度可以在850℃〜 1000℃，最终通过时的截面积减少率可以为6％以上，然后以1〜30℃/秒的冷却速度对所述导轨的头部进行加速冷却。 从奥氏体温度范围至至少550℃

公开(公告)号：US20070181231A1

公开(公告)日：2007-08-09

申请号：US10590846

申请日：2005-03-09

申请人： Masaharu Ueda ,  Kazuo Pujita ,  Koichiro Matsushita ,  Takeshi Yamamoto ,  Takuya Satoh

发明人： Masaharu Ueda ,  Kazuo Pujita ,  Koichiro Matsushita ,  Takeshi Yamamoto ,  Takuya Satoh

IPC分类号： C21D9/04

CPC分类号： C21D9/04 ,  B21B1/085 ,  C21D2211/009 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/24

摘要： Disclosed are methods of producing steel rails having a high carbon content and being excellent in wear resistance and ductility from the slabs for rails. One method involves producing a steel rail having a high content of carbon, comprising finish rolling the rail in two consecutive passes, with a reduction rate per pass of a cross-section of the rail of 2-30%, wherein the conditions of the finish rolling satisfy the following relationship: S≦800/(C×T), wherein S is the maximum rolling interval time (seconds), C is the carbon content of the steel, wherein the carbon content is 0.85-1.40 mass %, and T is the maximum surface temperature (° C.) of the rail head. Another method involves producing a steel rail with a high content of carbon, comprising: finish rolling the rail in three or more passes, with a reduction rate per pass of a cross-section of the rail of 2-30%, wherein the conditions of the finish rolling satisfy the following relationship: S≦2400/(C×T×P), wherein S is the maximum rolling interval time (seconds), C is the carbon content of the steel rail, wherein the carbon content is 0.85˜1.40 mass %, T is the maximum surface temperature (° C.) of a rail head, and P is the number of passes, which is 3 or more. In addition to above, controlled additional amounts of V, Nb, N may be added to the steel rail and/or controlled rapid cooling of the rail after rolling may be accomplished to provide further improvements.

摘要翻译： 公开了一种生产具有高碳含量并且具有优异的耐磨性和延展性的钢轨的方法。 一种方法包括生产具有高碳含量的钢轨，其中包括以两次连续的道次精轧轧制轨道，轨道横截面的每次通过的减速率为2-30％，其中完成的条件 轧制满足以下关系：S <= 800 /（C×T），其中S是最大轧制间隔时间（秒），C是钢的碳含量，其中碳含量为0.85-1.40质量％，T为 轨头的最大表面温度（°C）。 另一种方法包括生产具有高碳含量的钢轨，其特征在于：以三次或更多道次精轧轧制轨道，轨道横截面的每次通过的减速率为2-30％，其中条件 精轧满足以下关系：S <= 2400 /（CxTxP）其中S是最大轧制间隔时间（秒），C是钢轨的碳含量，其中碳含量为0.85〜1.40质量％ T是轨头的最大表面温度（℃），P是3次以上的通过次数。 除了上述之外，可以在钢轨上加入控制的附加量的V，Nb，N，和/或可以在轧制之后控制轨道的快速冷却，以提供进一步的改进。

公开(公告)号：US20130065079A1

公开(公告)日：2013-03-14

申请号：US13699108

申请日：2011-06-07

申请人： Masaharu Ueda ,  jun Takahashi ,  Akira Kobayashi ,  Takuya Tanahashi

发明人： Masaharu Ueda ,  jun Takahashi ,  Akira Kobayashi ,  Takuya Tanahashi

IPC分类号： C22C38/54 ,  C22C38/18 ,  C22C38/52 ,  C22C38/42 ,  C22C38/48 ,  C22C38/46 ,  C22C38/44 ,  C21D9/04 ,  C22C38/50

CPC分类号： C22C38/54 ,  B21B1/085 ,  C21D9/04 ,  C21D2211/003 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  Y10T428/12653

摘要： A steel rail includes: by mass %, higher than 0.85% to 1.20% of C; 0.05% to 2.00% of Si; 0.05% to 0.50% of Mn; 0.05% to 0.60% of Cr; P≦0.0150%; and the balance consisting of Fe and inevitable impurities, wherein 97% or more of a head surface portion which is in a range from a surface of a head corner portion and a head top portion as a starting point to a depth of 10 mm has a pearlite structure, a Vickers hardness of the pearlite structure is Hv320 to 500, and a CMn/FMn value which is a value obtained by dividing CMn [at. %] that is a Mn concentration of a cementite phase in the pearlite structure by FMn [at. %] that is a Mn concentration of a ferrite phase is equal to or higher than 1.0 and equal to or less than 5.0.

摘要翻译： 钢轨包括质量％，高于C的0.85％〜1.20％ 0.05％〜2.00％的Si; 0.05％〜0.50％的Mn; 0.05％〜0.60％的Cr; P＆nlE; 0.0150％; 余量由Fe和不可避免的杂质组成，其中从头角部的表面和头顶部的起始点到深度为10mm的范围内的头表面部分的97％以上具有 珠光体结构，珠光体结构的维氏硬度为Hv320〜500，CMn / FMn值为CMn [ ％]，其是由FMn [at。]在珠光体组织中的渗碳体相的Mn浓度。 ％]为铁素体相的Mn浓度为1.0以上且5.0以下。

公开(公告)号：US06254696B1

公开(公告)日：2001-07-03

申请号：US09380992

申请日：1999-09-13

申请人： Masaharu Ueda ,  Kouichi Uchino ,  Katsuya Iwano ,  Akira Kobayashi

发明人： Masaharu Ueda ,  Kouichi Uchino ,  Katsuya Iwano ,  Akira Kobayashi

IPC分类号： C22C3818

CPC分类号： C21D9/04 ,  C21D2211/002 ,  C22C38/34 ,  C22C38/38

摘要： High-strength bainitic steel rails have improved resistances to surface fatigue failures and wear required of the head of rails for heavy-load service railroads. The high-strength bainitic steels rails having excellent resistances to surface fatigue failures and wear contain constituents of specific ranges and consisting of bainitic structures at least in part are characterized in that the total area occupied by carbides whose longer axes are 100 to 1000 nm in a given cross section of said bainitic structures accounts for 10 to 50 percent thereof.

摘要翻译： 高强度贝氏体钢轨具有改进的对负载服务铁路轨道头部所需的表面疲劳失效和磨损的抵抗能力。 具有优异的表面疲劳失效和耐磨性的高强度贝氏体钢轨具有特定范围的成分，并且由贝氏体结构组成，至少部分地特征在于，长轴为100〜1000nm的碳化物占据的总面积为 所述贝氏体结构的横截面占10％至5​​0％。

公开(公告)号：US08980019B2

公开(公告)日：2015-03-17

申请号：US13699108

申请日：2011-06-07

申请人： Masaharu Ueda ,  Jun Takahashi ,  Akira Kobayashi ,  Takuya Tanahashi

发明人： Masaharu Ueda ,  Jun Takahashi ,  Akira Kobayashi ,  Takuya Tanahashi

IPC分类号： C22C38/52 ,  C21D9/04 ,  C22C38/54 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  B21B1/085

CPC分类号： C22C38/54 ,  B21B1/085 ,  C21D9/04 ,  C21D2211/003 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  Y10T428/12653

摘要： A steel rail includes: by mass %, higher than 0.85% to 1.20% of C; 0.05% to 2.00% of Si; 0.05% to 0.50% of Mn; 0.05% to 0.60% of Cr; P≦0.0150%; and the balance consisting of Fe and inevitable impurities, wherein 97% or more of a head surface portion which is in a range from a surface of a head corner portion and a head top portion as a starting point to a depth of 10 mm has a pearlite structure, a Vickers hardness of the pearlite structure is Hv320 to 500, and a CMn/FMn value which is a value obtained by dividing CMn [at. %] that is a Mn concentration of a cementite phase in the pearlite structure by FMn [at. %] that is a Mn concentration of a ferrite phase is equal to or higher than 1.0 and equal to or less than 5.0.

摘要翻译： 钢轨包括质量％，高于C的0.85％〜1.20％ 0.05％〜2.00％的Si; 0.05％〜0.50％的Mn; 0.05％〜0.60％的Cr; P＆nlE; 0.0150％; 余量由Fe和不可避免的杂质组成，其中从头角部的表面和头顶部的起始点到深度为10mm的范围内的头表面部分的97％以上具有 珠光体结构，珠光体结构的维氏硬度为Hv320〜500，CMn / FMn值为CMn [ ％]，其是由FMn [at。]在珠光体组织中的渗碳体相的Mn浓度。 ％]为铁素体相的Mn浓度为1.0以上且5.0以下。

公开(公告)号：US20140087320A1

公开(公告)日：2014-03-27

申请号：US14119819

申请日：2012-05-23

申请人： Kenichi Karimine ,  Masaharu Ueda ,  Katsuya Iwano ,  Hideo Tottori ,  Takeshi Yamamoto

发明人： Kenichi Karimine ,  Masaharu Ueda ,  Katsuya Iwano ,  Hideo Tottori ,  Takeshi Yamamoto

IPC分类号： C21D9/04

CPC分类号： C21D9/04 ,  B23K31/02 ,  B23K2101/26 ,  B23K2103/04 ,  C21D1/30 ,  C21D9/50 ,  C21D2221/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18

摘要： A method of reheating a rail weld zone after rails were welded, a distance C between a reheating region P of a rail web portion 2 and a welding center Q is set to more than or equal to 0.2 times and less than or equal to three times a HAZ length Lh of the rail weld zone. A length B of the reheating region P may be more than or equal to 0.5 times and less than or equal to five times the HAZ length Lh of the rail weld zone. A height A of the reheating region P may be more than or equal to 0.2 times a height Hw of the rail web portion 2. A temperature Th reached in a reheating process at a center of the reheating region P may be higher than or equal to 400° C. and lower than or equal to 750° C.

摘要翻译： 在焊接轨道之后再次加热钢轨焊接区域的方法，将铁轨腹板部分2的再加热区域P与焊接中心Q之间的距离C设定为大于或等于0.2倍且小于或等于三倍 轨道焊接区的HAZ长度Lh。 再加热区域P的长度B可以大于或等于轨道焊接区域的HAZ长度Lh的0.5倍且小于或等于五倍。 再加热区域P的高度A可以大于或等于轨道腹板部分2的高度Hw的0.2倍。再加热区域P的中心处的再加热过程中达到的温度Th可以高于或等于 400℃，低于或等于750℃

公开(公告)号：US08307281B2

公开(公告)日：2012-11-06

申请号：US12431799

申请日：2009-04-29

申请人： Masaharu Ueda ,  Takuya Nakayama

发明人： Masaharu Ueda ,  Takuya Nakayama

IPC分类号： G06F17/21

CPC分类号： G06F17/276 ,  G06F3/018 ,  G06F3/0237 ,  G06F17/2223 ,  G06F17/2735

摘要： This invention easily realizes a process of changing the display order of the candidates according to various input states. In a character input device of a mobile telephone, a wide variety of attributes representing an input state are set, and a conversion dictionary in which the attributes are registered in dictionary data of a corresponding word is set. An adjustment value setting unit determines the input state at a relative time point according to the start of input of the read character or the confirmation of the candidate, and sets an adjustment value to each attribute according to the determination content. A priority adjustment unit adjusts the priority with the adjustment value set to the attribute of the candidate for the candidate set with an attribute of each candidate extracted from the conversion dictionary by the read character string. A candidate display processing unit determines the display order of each candidate based on the priority after the adjustment process, and causes the display unit to display the candidate in the determined order.

摘要翻译： 本发明容易地实现根据各种输入状态改变候选者的显示顺序的处理。 在移动电话的字符输入装置中，设置表示输入状态的各种各样的属性，并且设置其中属性被登记在相应字的字典数据中的转换字典。 调整值设定单元根据读取字符的输入开始或候选者的确认来确定相对时间点的输入状态，并根据确定内容设定每个属性的调整值。 优先级调整单元利用通过读取的字符串从转换字典提取的每个候选的属性的候选集合的候选项的属性设置的调整值来调整优先级。 候选显示处理单元基于调整处理之后的优先级来确定每个候选者的显示顺序，并使显示单元以确定的顺序显示候选。