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61. 发明专利

JP2011000642A Welded state monitoring device and method 有权
标题翻译：焊接状态监测装置和方法
公开(公告)号：JP2011000642A
公开(公告)日：2011-01-06
申请号：JP2010158172
申请日：2010-07-12
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HASEGAWA NOBORU , HAMAYA HIDEKI , MUKAI MICHIAKI , YAMAMOTO KAZUTO , MIYAGAWA TAKASHI
IPC分类号： B23K13/08 , B21C37/08 , B23K13/00 , B23K31/00 , G01N25/72
CPC分类号： G01J5/10 , B21C37/08 , B21C51/00 , B23K11/0873 , B23K11/25 , B23K31/125 , B23K2201/06 , B23K2203/04 , G01J5/0018 , G01J5/004
摘要： PROBLEM TO BE SOLVED: To provide a system and a method for monitoring a welded state for enabling a molten state, a butting state, or other state of an electric-resistance-welded pipe on-line more accurately than in the past.SOLUTION: Brightness information or temperature information of a steel plate of a welded part is obtained by using a lens for enlarging an image based on the light radiated from the welded part and picking up the image when heating and welding both ends of the steel plate, and an image pickup means having an image pickup element which picks up the image from the upstream side of a manufacturing line and converts the picked-up image into the image data based on the image data obtained thereby. The one-dimensional brightness information or temperature information in the thickness direction of the steel plate of the welded part is calculated from the obtained brightness information or temperature information. The molten state of the steel plate in the welded part and the butting state of the steel plate are analyzed by using the calculated one-dimensional brightness information or temperature information.
摘要翻译：要解决的问题：提供一种用于监测焊接状态的系统和方法，用于使电熔焊接管的熔融状态，对接状态或其他状态在线更加准确地在线。解决方案：焊接部件的钢板的亮度信息或温度信息是通过使用用于根据从焊接部照射的光放大图像的透镜，并且在加热和焊接钢板的两端时拾取图像，并且图像拾取装置具有从制造线的上游侧拾取图像的图像拾取元件，并且基于由此获得的图像数据将拍摄图像转换为图像数据。根据获得的亮度信息或温度信息，计算焊接部的钢板的厚度方向上的一维亮度信息或温度信息。通过使用计算出的一维亮度信息或温度信息来分析焊接部分中的钢板的熔融状态和钢板的对接状态。

62. 发明专利

JP2010168656A Surface layer melting treatment method, surface layer-modified steel slab and worked product 有权
标题翻译：表面层熔融处理方法，表面改性钢板和工作产品
公开(公告)号：JP2010168656A
公开(公告)日：2010-08-05
申请号：JP2009294471
申请日：2009-12-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAMOTO KENICHI , FUJI TAKEHIKO , HAMAYA HIDEKI , TAKEUCHI JUN , UMETSU KENJI , TSUNENARI KEIJI
IPC分类号： C23C26/00 , B21B45/00 , B22D11/00 , B22D11/12 , B22D29/00 , H05H1/40
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a composite steel slab having a surface modified layer thicker than the conventional one and also having a reduced variation in the depth direction by plasma heating in a technique where the surface layer part of a steel slab is inexpensively subjected to melting treatment without reducing productivity so as to achieve high purification, and a technique where metal elements, alloys or different kinds of steels are added to the surface layer melting treated part so as to achieve high functionality. SOLUTION: The surface layer of a steel slab which is conveyed is preheated by at least any method selected from burner heating, induction heating and plasma heating, and thereafter, the surface layer part to ≥10 mm from the surface of the steel slab is subjected to melting treatment at a surface heat input density of ≥20 W/mm 2 by plasma heating. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制备具有比常规的表面改性层更厚的复合钢坯的方法，并且通过等离子体加热具有减小的深度方向的变化的技术，其中，表面层部分在不降低生产率的前提下，钢坯经济地进行熔融处理，从而实现高纯度化，并且将金属元素，合金或不同种类的钢添加到表层熔融处理部分中以达到高功能性的技术。解决方案：通过从燃烧器加热，感应加热和等离子体加热中选择的至少任何一种方法预热所输送的钢板的表面层，此后，从钢表面至表面层≥10mm的表面层通过等离子体加热，在≥20W/ mm 2 的表面热输入密度下进行熔融处理。版权所有（C）2010，JPO＆INPIT

63. 发明专利

JP2010059478A Method for reforming surface layer of cast slab of steel 有权
标题翻译：改造铸钢板表面层的方法
公开(公告)号：JP2010059478A
公开(公告)日：2010-03-18
申请号：JP2008226194
申请日：2008-09-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAMAYA HIDEKI , YAMAMOTO KENICHI , TANAKA JUN , FUJI TAKEHIKO , TSUNENARI KEIJI , UMETSU KENJI , TAKEUCHI JUN
IPC分类号： C23C26/00 , B22D11/00 , B22D11/12
摘要： PROBLEM TO BE SOLVED: To provide a method for reforming surface layer of a cast slab of steel capable of reliably reforming a surface layer of the cast slab of steel containing copper by reducing variance of the nickel concentration distribution in the surface layer, and preventing cracks during the hot working.
SOLUTION: In the methof for reforming surface layer of the cast slab of steel, a wire 7 is formed into droplets while oscillating the wire 7, and fed to a molten pool 8 so as to satisfy inequalities: 4Lo/Fo
摘要翻译：解决问题的方案为了提供一种能够通过减少表面层中的镍浓度分布的变化而能够可靠地重整含铜钢的铸造板坯的表面层的钢的铸造板的表面层的重整方法，并且在热加工期间防止裂纹。解决方案：在用于重铸钢板的表面层的炉中，在将钢丝7摆动的同时，将线7形成为液滴，并且供给到熔池8中，以满足不等式：4Lo / Fo

64. 发明专利

JP2007138282A Thermal spray material made from magnesium alloy having superior explosion proof in thermal spraying and imparting superior corrosion resistance to thermal-sprayed portion, and thermal spraying method using the same 有权
标题翻译：具有高温爆破性能的镁合金的热喷涂材料和热喷涂层的耐腐蚀性，以及使用其的热喷涂方法
公开(公告)号：JP2007138282A
公开(公告)日：2007-06-07
申请号：JP2006103270
申请日：2006-04-04
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAMAYA HIDEKI , KODAMA SHINJI , NAKAZAWA MASATO , SHIMODA NOBUYUKI
IPC分类号： C22C23/02 , C22C18/00 , C22C21/06 , C22C23/04 , C23C4/08
摘要： PROBLEM TO BE SOLVED: To provide a thermal spray material made from a magnesium alloy, which has superior explosion proof in a thermal spraying period and imparts superior corrosion resistance to a thermal-sprayed portion.
SOLUTION: The thermal spray material made from a magnesium alloy, which has superior explosion proof in a thermal spraying period and imparts superior corrosion resistance to a thermal-sprayed portion, comprises, by mass%, 13-42% Al, 1-5% Ca, and the balance Mg with unavoidable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种由镁合金制成的热喷涂材料，其在热喷涂时具有优异的防爆性，并且对热喷涂部分具有优异的耐腐蚀性。解决方案：在热喷涂时具有优异的防爆性和对热喷涂部分具有优异的耐腐蚀性的由镁合金制成的热喷涂材料包含质量％为13-42％的Al，1 -5％Ca，余量为Mg与不可避免的杂质。版权所有（C）2007，JPO＆INPIT

65. 发明专利

JP2006249521A Zinc alloy plated steel with excellent weldability 有权
标题翻译：具有优异焊接性能的ZINC合金钢
公开(公告)号：JP2006249521A
公开(公告)日：2006-09-21
申请号：JP2005069182
申请日：2005-03-11
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KODAMA SHINJI , HAMAYA HIDEKI , MIZUHASHI NOBUO , MIYASAKA AKIHIRO , HARA TAKUYA , NISHIMURA KAZUMI , ASAI KENICHI , TAKAHASHI AKIRA
IPC分类号： C22C38/00 , C22C18/00 , C22C18/04 , C22C38/14 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a zinc alloy plated steel having excellent weldability with which, when welding the zinc alloy plated steel having a tensile strength of base material not lower than 490 MPa class strength level and a thickness of 0.8 to 9 mm by various methods, liquid-metal embrittlement cracking occurring due to zinc alloy plating particularly in a weld heat-affected zone can be stably suppressed and high reliability welded joints can be obtained.
SOLUTION: The zinc alloy plated steel material with excellent weldability is a zinc alloy plated steel material having a zinc alloy plating layer on its surface and being characterized in that it contains, by mass, 0.01 to 0.3% C, 0.01 to 2.0% Si, 0.1 to 3.0% Mn, ≤0.015% S, 0.001 to 0.5% Al, 0.0005 to 0.006% N and further 0.01 to 0.60%, in total, of one or more elements among Nb, V and Zr; an E value as a sensitivity index of liquid-metal embrittlement represented by the following equation exceeds 0.24; and B content ranges from 3 ppm to -102×E+61 ppm: E value = [%C]+[%Si]/17+[%Mn]/7.5+[%Ni]/17+[%Nb]/2+[%V]/1.5+[%Zr]/2 (wherein, E value is the sensitivity index of liquid-metal embrittlement, and [%C], [%Si]... are each content by mass% of respective elements).
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种焊接性优异的锌合金电镀钢，当将基材抗拉强度不低于490MPa等级强度水平和0.8至9的厚度的锌合金电镀钢焊接时通过各种方法，可以稳定地抑制由于锌合金电镀而特别是在焊接热影响区域中发生的液态金属脆化裂纹，并且可以获得高可靠性的焊接接头。解决方案：具有优异焊接性的锌合金镀覆钢材是其表面具有锌合金镀层的锌合金电镀钢材料，其特征在于其含量为0.01至0.3％C，0.01至2.0 Nb，V和Zr中的一种或多种元素的总和为0.1％，Si：0.1〜3.0％，≤0.015％S，0.001〜0.5％Al，0.0005〜0.006％N，进一步0.01〜0.60％由下式表示的作为液体 - 金属脆化的灵敏度指数的E值超过0.24; 并且B含量范围为3ppm至-102×E + 61ppm：E值= [％C] + [％Si] / 17 + [％Mn] /7.5 + [％Ni] / 17 + [％Nb] 2 + [％V] /1.5 + [％Zr] / 2（其中E值为液态金属脆化的灵敏度指数，[％C]，[％Si] 各元素）。版权所有（C）2006，JPO＆NCIPI

66. 发明专利

JP2006035293A Welding method of galvanized steel plate having excellent corrosion resistance and zinc embrittlement cracking resistance of weld 有权
标题翻译：具有优异耐腐蚀性和耐腐蚀性的钢化板的焊接方法焊接开裂电阻
公开(公告)号：JP2006035293A
公开(公告)日：2006-02-09
申请号：JP2004222256
申请日：2004-07-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KODAMA SHINJI , HAMAYA HIDEKI , MIZUHASHI NOBUO , ASAI KENICHI , NISHIMURA KAZUMI
IPC分类号： B23K9/23 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide an arc welding method of zinc-based alloy plated steel plate capable of obtaining a weld having excellent corrosion resistance and liquid metal embrittlement cracking resistance by suppressing the liquid metal embrittlment cracking of a weld, in particular, a weld metal of stainless steel based component when performing the arc welding of the zinc-based alloy plated steel plate by using a stainless steel-based welding wire.
SOLUTION: In the arc welding method of zinc alloy plated steel plate having excellent corrosion resistance and liquid metal embrittlement cracking resistance of a weld, a weld metal containing a ferritic phase of ≥25% in terms of area ratio and having the tensile strength (TSW) of ≤1.8 in terms of the ratio (TSW/TSB) to the tensile strength (TSB) of a base metal is formed by using a stainless steel welding wire containing for alloy components, by mass to the total mass of the wire, 0.01-0.05% C, 0.1-0.5% Si, 0.5-3% Mn, 7-12% Ni, and 24-30% Cr, while limiting ≤1% Mo and N ≤0.1%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过抑制焊接液体金属脆化裂纹获得具有优异的耐腐蚀性和液体金属脆性开裂性的焊接的锌基合金电镀钢板的电弧焊接方法，特别是，通过使用不锈钢基焊丝进行锌基合金镀覆钢板的电弧焊接时的不锈钢基部件的焊接金属。解决方案：在具有优异的耐腐蚀性和焊接液的液态金属脆化抗裂性的锌合金电镀钢板的电弧焊接方法中，含有以面积比计≥25％的铁素体相的焊接金属具有拉伸强度通过使用含有合金成分的不锈钢焊丝，以质量计的总质量来形成贱金属的比例（TSW / TSB）与抗拉强度（TSB）的比值（TSW）≤1.8的强度（TSW）线，0.01-0.05％C，0.1-0.5％Si，0.5-3％Mn，7-12％Ni和24-30％Cr，而限制≤1％Mo和N≤0.1％。版权所有（C）2006，JPO＆NCIPI

67. 发明专利

JP2006026691A Method for manufacturing electric resistance welded steel tube excellent in quality of weld zone 有权
标题翻译：焊接质量优良的电阻焊钢管制造方法
公开(公告)号：JP2006026691A
公开(公告)日：2006-02-02
申请号：JP2004209476
申请日：2004-07-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAMAYA HIDEKI , FUKAMI SHUNSUKE , MIZUHASHI NOBUO , ISHIZUKA TETSUO , ASAHI HITOSHI , NAKAJI TOMOHIRO , TANIMOTO MICHITOSHI , MANGAYA TETSUYA
IPC分类号： B21C37/08 , B23K13/00 , B23K13/06 , B23K101/06 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electric resistance welded steel tube excellent in characteristics of a weld zone such as low-temperature toughness, corrosion resistance and cold workability by stably and reliably reducing weld defects attributable to generation of oxides of welds and cold weld defects attributable to local insufficient heat input without changing the set condition when the welding condition is changed.
SOLUTION: When a steel plate is formed in a tubular shape and butted end faces thereof are subjected to the electric resistance welding, inert gas is blown to the butted end faces over the entire range at the temperature of ≥ 650°C on the upstream welding side from at least a weld point under the condition that the butt angle ϕ satisfies the inequalities 0 ≤ ϕ ≤ tan(0.4/d)
-1 , and non-oxidizing high-temperature plasma at a temperature of ≥ 1,400°C is blown in the non-oxidizing atmosphere to the butted end faces over the entire range to the position separate by 1/5 of the power supply distance on the upstream welding side from at least the weld point under the condition that the flow rate is 30-270 m/sec.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过稳定可靠地减少由于产生的焊接缺陷而导致的低温韧性，耐腐蚀性和冷加工性等焊接区特性优异的电阻焊钢管的制造方法当焊接条件发生变化时，不会改变设定条件，导致焊接氧化物和冷焊缝缺陷。解决方案：当钢板形成为管状并且其对接端面进行电阻焊时，惰性气体在≥650℃的温度下在整个范围内被吹向对接的端面，在对角φ满足不等式0≤φ≤tan（0.4 / d） -1 的条件下，至少焊接点的上游焊接侧，以及非氧化性高温等离子体在非氧化性气氛中，在非氧化性气氛中的对接端面，至少在上游焊接侧的电源距离的1/5分离至少在条件是流量为30-270m / sec。版权所有（C）2006，JPO＆NCIPI

68. 发明专利

JP2005002415A Hot dip galvanized steel having excellent weldability 审中-公开
标题翻译：具有优异的焊接性能的热镀锌钢
公开(公告)号：JP2005002415A
公开(公告)日：2005-01-06
申请号：JP2003167480
申请日：2003-06-12
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MORIMOTO YASUHIDE , KODAMA SHINJI , HAMAYA HIDEKI , MIYASAKA AKIHIRO , NISHIMURA KAZUMI , HARA TAKUYA , ASAI KENICHI , TAKEI SHUICHI
IPC分类号： C23C2/06 , C23C2/02
摘要： PROBLEM TO BE SOLVED: To provide hot dip galvanized steel having excellent weldability, and in which the generation of liquid metal embrittlement cracks in the heat affected zone can be suppressed at the time when galvanized steel is welded by various methods.
SOLUTION: In the hot dip galvanized steel having excellent weldability, the boundary between steel and a hot dip galvanizing layer applied to the surface of the steel is provided with an Ni alloy plating layer comprising one or more kinds of metals selected from, by mass, 0.01 to 11% P, 0.01 to 13% B, 0.01 to 12% S, 0.01 to 25% Mo, 0.01 to 40% W, 0.01 to 50% Co, 0.01 to 30% Sn and 0.01 to 25% Mn, and the balance Ni with inevitable impurities.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异焊接性的热浸镀锌钢，并且在通过各种方法焊接镀锌钢板时，可以抑制热影响区中的液态金属脆化裂纹的产生。解决方案：在具有优异焊接性的热浸镀锌钢中，施加到钢表面的钢和热浸镀锌层之间的边界设置有包含一种或多种金属的Ni合金镀层，，0.01〜13％的B，0.01〜12％的S，0.01〜25％的Mo，0.01〜40％的W，0.01〜50％的Co，0.01〜30％的Sn和0.01〜25％的Mn ，余量为Ni与不可避免的杂质。版权所有（C）2005，JPO＆NCIPI

69. 发明专利

JP2003290952A Laser welding method 有权
标题翻译：激光焊接方法
公开(公告)号：JP2003290952A
公开(公告)日：2003-10-14
申请号：JP2002098772
申请日：2002-04-01
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MIYAZAKI YASUNOBU , KODAMA SHINJI , HAMAYA HIDEKI , FURUSAKO SEIJI , MIYASAKA AKIHIRO , KOBAYASHI JUNICHI
IPC分类号： B23K26/00 , B23K26/04 , B23K26/06 , B23K26/067 , B23K26/14 , B23K26/32 , B23K103/04 , B23K103/16
摘要： PROBLEM TO BE SOLVED: To provide a laser welding method for galvanized steel sheets, a method that enables steel sheets to be welded in a closely stuck state, that prevents explosion of molten metal or generation of weld defect due to vaporization of galvanizing component at the time of laser welding, and that excels in the shape and quality of weld beads. SOLUTION: A laser beam 1 to be emitted to a steel sheet is divided into three beams comprising a front beam 3 on the front side in a welding direction 9 along a weld line 39, a center beam 4 and a rear beam 5 on the rear side in the welding direction. This laser welding method for galvanized steel sheets is characterized in that the power of the front beam 3 is designed to be in a penetration range not less than 25% of the thickness of the first steel sheet but not more than penetration of the entire steel sheet at the time of emission singly by the front beam, and in that the power of the rear beam 5 is decreased by a factor of 0.1 to 1.0 of the power of the center beam 4. The focal position 26 of the beam is arranged at a position either inside or outside the steel sheet from its surface 29 by 0.5-2.5% of the focal distance. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供镀锌钢板的激光焊接方法，能够使钢板以紧密卡住的状态进行焊接，防止熔融金属的爆炸或由于镀锌的蒸发而产生焊接缺陷的方法激光焊接时的部件，焊珠的形状和质量优异。解决方案：将要发射到钢板的激光束1分为三个光束，其包括沿着焊接线39在焊接方向9的前侧上的前光束3，中心光束4和后光束5 在焊接方向的后侧。这种镀锌钢板的激光焊接方法的特征在于，前梁3的功率设计成不小于第一钢板的厚度的25％的渗透范围，但不超过整个钢板的穿透在由前梁单独发射的时候，后射束5的功率以中心光束4的功率的0.1至1.0的比例减小。光束的焦点位置26被布置在从钢板表面29的内侧或外侧将焦距定位在0.5-2.5％。版权所有（C）2004，JPO

70. 发明专利

JP2002160083A METHOD OF LASER WELDING FOR OVERLAPPED ZINC STEEL PLATES 失效
公开(公告)号：JP2002160083A
公开(公告)日：2002-06-04
申请号：JP2000362202
申请日：2000-11-29
申请人： NIPPON STEEL CORP
发明人： HAMAYA HIDEKI , FURUSAKO SEIJI , MIYAZAKI YASUNOBU , TANAKA TAKASHI
IPC分类号： B23K26/32 , B23K26/21 , B23K103/16 , B23K26/00
摘要： PROBLEM TO BE SOLVED: To provide a method of laser welding for overlapped zinc steel plates using at least two laser beams excellent in quality and its forming of consequent beads in order to reduce scattering of melted metal and defects in the welding parts caused by generation of zinc gas in welding overlapped zinc steel plates. SOLUTION: After heating and evaporating plated zinc in the sphere of intended connection by a first laser beam 25, a second laser beam 26 welds the sphere of the connection. In this process, the diameter of the first laser beam (D1), the diameter of the second laser beam (D2), and the distance between the centers of these two laser beams (L) satisfy the expressions 0.56×(D1+D2)

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