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1. 发明专利

JPH09241807A LOW-RADIATION HIGH MANGANESE NONMAGNETIC STEEL EXCELLENT IN CORROSION RESISTANCE AND WELDABILITY 失效
公开(公告)号：JPH09241807A
公开(公告)日：1997-09-16
申请号：JP7928796
申请日：1996-03-08
申请人： JAPAN STEEL WORKS LTD , MITSUBISHI HEAVY IND LTD
发明人： HATAKEYAMA TAKESHI , SATO IKUO , KUSUHASHI MIKIO , SOKAWA TSUNEHIKO , SAIDA TOMIKANE , FUJIMOTO KOJI , HIRAI SHOZO , ONOZUKA MASANORI
IPC分类号： C22C38/00 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To secure superior nonmagnetic properties, corrosion resistance, and weldability by providing a composition consisting of specific weight percentages of C, Si, Mn, Cr, and N and the balance Fe. SOLUTION: The high Mn nonmagnetic steel made low-radiation has a composition consisting of, by weight,

2. 发明专利

JP2006234594A Material strength testing device and method 无效
标题翻译：材料强度试验装置及方法
公开(公告)号：JP2006234594A
公开(公告)日：2006-09-07
申请号：JP2005049999
申请日：2005-02-25
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUJIMOTO KOJI , KANEZAKI HIROSHI , IWAMURA TOSHIHIKO , WACHI EIJI , OKAMOTO SHUZO , OKAMOTO TOMIO
IPC分类号： G01N17/00 , G01N3/08 , G01N3/20
摘要： PROBLEM TO BE SOLVED: To provide a material strength testing device and a material strength test method capable of testing a plurality of test pieces simultaneously, and acquiring accurate data of each test piece.
SOLUTION: This device is characterized by having a plurality of holding parts 53, 55, 57, 59 arrayed on a prescribed straight line C, the test pieces 31 arranged between each holding part 53, 55, 57, 59 and fixed to each adjacent holding part 53, 55, 57, 59, a load loading part 37 for loading a tensile stress or a compressive stress to the test pieces 31 by applying a load to the holding parts 53, 55, 57, 59 in the direction along the prescribed straight line C, a displacement measuring part 39 for measuring displacement in the direction along the prescribed straight line C of each holding part 53, 55, 57, 59, and a load measuring part 73 for measuring the load loaded by the load loading part 37.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够同时测试多个试样的材料强度试验装置和材料强度试验方法，并获取每个试样的精确数据。解决方案：该装置的特征在于具有排列在规定的直线C上的多个保持部53,55,57,59，被配置在各保持部53,55,57,59之间的试验片31，每个相邻的保持部分53,55,57,59，用于通过向保持部分53,55,57,59沿着方向施加负载来将拉伸应力或压缩应力加载到试件31的负载装载部分37 规定的直线C，用于测量沿着每个保持部53,55,57,59的规定直线C的方向的位移的位移测量部39和用于测量由负载负载加载的负载的负载测量部73 （C）2006年，JPO＆NCIPI

3. 发明专利

JPH11131206A POWDER MATERIAL FOR THERMAL SPRAYING COATING AND HIGH TEMPERATURE MEMBER USING THE SAME 失效
公开(公告)号：JPH11131206A
公开(公告)日：1999-05-18
申请号：JP29981697
申请日：1997-10-31
申请人： MITSUBISHI HEAVY IND LTD
发明人： YONEZAWA TOSHIO , FUJIMOTO KOJI , SHIGE TAKASHI , KOSHIRO YASUMASA , TAKAHASHI KOJI
IPC分类号： C23C4/08
摘要： PROBLEM TO BE SOLVED: To obtain a thermal spraying coating powder material having higher corrosion resistance to sulfur, vanadium, sodium or the like promoting corrosion in high temp. using environments more than that of Ni-50 Cr series and MCrAlY as the conventional material with respect to a gas turbine using crude heavy oil of low quality as fuel and to provide a high temp. member coated with it. SOLUTION: The powder material for thermal spraying coating has a compsn. cong., by weight, >45 to 60% chromium, 5 to 15% aluminum, 0.5 to 10% ziroconium, and the balance either or both of cobalt and iron with inevitable impurities. The high-temp. member is obtd. by coating it. By using this material, thermal sprayed coating having high corrosion resistance to sulfur, vanadium, sodium or the like promoting corrosion in high temp. using environments can be obtd.

4. 发明专利

JPH09125205A HIGH NICKEL AUSTENITIC STAINLESS STEEL HAVING RESISTANCE TO DETERIORATION BY NEUTRON IRRADIATION 失效
公开(公告)号：JPH09125205A
公开(公告)日：1997-05-13
申请号：JP22825496
申请日：1996-08-29
申请人： MITSUBISHI HEAVY IND LTD
发明人： YONEZAWA TOSHIO , IWAMURA TOSHIHIKO , KANEZAKI HIROSHI , FUJIMOTO KOJI , NAKADA SHIZUO , AJIKI KAZUHIDE , NAKAMURA MITSUHIRO
IPC分类号： G21D1/00 , C21D6/00 , C21D8/00 , C22C30/00 , C22C38/00 , C22C38/44 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To produce a high Ni austenitic stainless steel excellent in resistance to deterioration by neutron irradiation by subjecting a stainless steel, having a specific composition in which respective contents of C, Cr, and Ni and the total content of Si, P, and S are respectively specified, to solid solution heat treatment at specific temp. SOLUTION: Solid solution heat treatment is applied at 1,000-1,150 deg.C to a stainless steel having a composition consisting of, by weight, 0.005-0.08% C, =3% Mo, n/cm (E>1MeV) and having (15×10 to 19×10 )/K average thermal expansion coefficient from room temp. to 400 deg.C, can be obtained.

5. 发明专利

JP2013169562A Method of removing scale of steel and method of manufacturing rolled steel plate 审中-公开
标题翻译：钢的尺寸检测方法及制造轧制钢板的方法
公开(公告)号：JP2013169562A
公开(公告)日：2013-09-02
申请号：JP2012034152
申请日：2012-02-20
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUJIMOTO KOJI , KONNO YUYA , KAWANO MASAKI , TAKATANI HIDEAKI
IPC分类号： B21B45/06
摘要： PROBLEM TO BE SOLVED: To provide a method of removing the scale of steel and a method of manufacturing a rolled steel plate, in which work cost in descaling work can be reduced.SOLUTION: In a method of removing scale stuck to the surface of a hot-worked steel plate 11, dry ice pellets or ice pellets are used as granular materials composed of a solid phase-changeable to liquid or gas in practice atmosphere, the pellets are jetted onto the surface of the steel plate 11 in a granular material jetting treatment part 14, and then the surface of the steel plate 11 is exposed to an acid solution in a pickling treatment part 15.
摘要翻译：要解决的问题：提供一种除去钢的氧化皮的方法和制造轧制钢板的方法，其中可以减少除垢作业中的工作成本。解决方案：在除去粘附在表面上的垢的方法热加工钢板11，干冰球或冰粒用作在实际气氛中由液相或气体固相相变的粒状材料，将粒料以粒状材料喷射喷射到钢板11的表面上处理部14，然后将钢板11的表面暴露于酸洗处理部15中的酸溶液。

6. 发明专利

JP2006144068A Austenitic stainless steel 审中-公开
标题翻译：奥氏体不锈钢
公开(公告)号：JP2006144068A
公开(公告)日：2006-06-08
申请号：JP2004335211
申请日：2004-11-19
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUJIMOTO KOJI , KANEZAKI HIROSHI , MIYAGUCHI JINICHI , YAGUCHI SEIJI
IPC分类号： C21D6/00 , C22C38/00 , C22C38/58 , G21D1/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an austenitic stainless steel having superior stress corrosion cracking resistance.
SOLUTION: The austenitic stainless steel has chromium carbides selectively and harmonizingly precipitated in a grain boundary, and substantially no chromium-depleted zone in the vicinity of the grain boundary. The manufacturing method includes: solution heat-treating austenitic stainless steel; sensitizing it to harmonizingly precipitate chromium carbides; and subjecting it to recovery treatment for making the chromium-depleted zone in the vicinity of the grain boundary disappear.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优异的耐应力腐蚀开裂性的奥氏体不锈钢的制造方法。解决方案：奥氏体不锈钢选择性地具有碳化铬，并且在晶界中协调地沉淀，并且在晶界附近基本上没有贫铬区。制造方法包括：固溶热处理奥氏体不锈钢; 使其致敏以协调沉淀铬碳化物; 并进行回收处理，使得在晶界附近的贫铬区消失。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2002311188A EVALUATION METHOD FOR STRESS CORROSION CRACKING SENSITIVITY 失效
公开(公告)号：JP2002311188A
公开(公告)日：2002-10-23
申请号：JP2001115745
申请日：2001-04-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： FUJIMOTO KOJI , YAMAGUCHI YOICHIRO
IPC分类号： G01N17/00 , G21C17/003 , G21D1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for easily evaluating stress corrosion cracking sensitivity in high temperature water, of stainless steel used as a joint member and plate member in a nuclear reactor without actual testing in the reactor. SOLUTION: In the evaluation method for stress corrosion cracking sensitivity in high temperature water, of stainless steel used in a nuclear reactor, a hydrogen isotope, tritium is taken inside the stainless steel in a charge process and then the tritium position in the stainless steel is recorded on a printing paper with autoradiography. This is visualized by using a scanning or transmission electron microscope. From the relation between a trap quantity of tritium in grain boundary or near grain boundary and stress corrosion cracking, the stress corrosion cracking sensitivity can be evaluated.

8. 发明专利

JP2012181026A Method for repairing minute defect 审中-公开
标题翻译：修复MINUTE缺陷的方法
公开(公告)号：JP2012181026A
公开(公告)日：2012-09-20
申请号：JP2011042227
申请日：2011-02-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUJIMOTO KOJI , AKIYAMA KATSUNORI
IPC分类号： G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide a method for repairing a minute defect, which allows a steel plate to have resistance for use as a storage pit without deterioration for a long period, with minimum heating of the steel plate.SOLUTION: A method for repairing a minute defect is employed for repairing a minute defect K of an austenitic stainless steel plate 172 as a lining material on a foundation surface 171 to constitute a water tank. In the method, a powder material 16 containing austenitic stainless steel or nickel-based alloy material is injected with a supersonic stream of helium gas, so that the alloy material in solid state directly collides with the minute defect K to form a coating 18.
摘要翻译：要解决的问题：为了提供一种修复微小缺陷的方法，其允许钢板在钢板的加热最小的情况下，具有长期耐久性而不会劣化的钢板。解决方案：一种用于修复微小缺陷的方法用于在基础表面171上修复奥氏体不锈钢板172的微小缺陷K作为衬里材料，以构成水箱。在该方法中，含有奥氏体不锈钢或镍基合金材料的粉末材料16注入超声波氦气流，使得固体状态的合金材料与微小缺陷K直接碰撞形成涂层18。 P>版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2005213538A Surface treatment method of heat transfer tube of steam generator for nuclear reactor 审中-公开
标题翻译：蒸汽发生器用于核反应堆的热交换管表面处理方法
公开(公告)号：JP2005213538A
公开(公告)日：2005-08-11
申请号：JP2004019290
申请日：2004-01-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUJIMOTO KOJI , YOKOYAMA YUTAKA , TSURUTA TAKAO , TOKUNAGA SETSUO , HIRANO HIROSHI , MIZUTANI TOSHIYUKI , YASUDA TAKANORI , MURATA KAZUTOYO , YONEZAWA TOSHIO , OKAMOTO SHUZO , KASAHARA KAZUO
IPC分类号： C23C22/50 , C23C22/58 , C23C22/78
摘要： PROBLEM TO BE SOLVED: To provide a surface treatment method of a heat transfer tube capable of reducing exposure dose by reducing Ni elution from the heat transfer tube as much as possible.
SOLUTION: The surface treatment method of the heat transfer tube made of Ni-Cr-Fe alloy of a steam generator for a nuclear reactor comprises: a step of blasting an inner surface of the heat transfer tube by using beads of very small grain size; and a step of depositing a film on the inner surface of the heat transfer tube by immersing the blasted heat transfer tube in high-temperature water or distributing high-temperature water over the inner surface of the heat transfer tube.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2002309348A HIGH CHROMIUM AUSTENITIC ALLOY 失效
公开(公告)号：JP2002309348A
公开(公告)日：2002-10-23
申请号：JP2001112296
申请日：2001-04-11
申请人： MITSUBISHI HEAVY IND LTD
发明人： FUJIMOTO KOJI , MITSUI HIROYUKI
IPC分类号： C22C38/00 , C22C38/40
摘要： PROBLEM TO BE SOLVED: To provide a high Cr austenitic alloy in which intergranular corrosion damage can be prevented at a low cost. SOLUTION: The high Cr austenitic alloy has a composition containing, by weight,

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