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1. 发明专利

JPH06211588A PRODUCTION OF Y-CONTAINING OXIDE SUPERCONDUCTOR CRYSTAL 失效
公开(公告)号：JPH06211588A
公开(公告)日：1994-08-02
申请号：JP13256492
申请日：1992-05-25
申请人： KOKUSAI CHODENDO SANGYO GIJUTS , KYUSHU ELECTRIC POWER , ASAHI GLASS CO LTD , RAILWAY TECHNICAL RES INST , SUMITOMO METAL IND , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： OOTSU KANJI , YAMADA YOUSHI , NAKAMURA YUICHI , IZUMI TERUO , ISHIGE KENGO , SHIOBARA TORU
IPC分类号： C01G1/00 , C01G3/00 , C30B11/14 , C30B29/22 , H01B12/00 , H01B13/00
摘要： PURPOSE:To shorten production time as well as to control grain size by supercooling rate. CONSTITUTION:In this production method, a seed crystal is put on the surface of a precursor of a Y-contg. oxide superconductor, the precursor is heated to a half-melted state and supercooled to a solidifying region and then crystal growth is carried out. The precursor is obtd. by mixing powdery starting materials in a prescribed ratio, calcining the mixture and compacting the resulting calcined powder. The half-melted state is attained by heating to 1,000-1,200 deg.C and the supercooling rate is carried out in the range of >0 deg.C to 100 deg.C.

2. 发明专利

JPH061697A PRODUCTION OF COARSE CRYSTAL OF RE SUPER-CONDUCTING OXIDE 失效
公开(公告)号：JPH061697A
公开(公告)日：1994-01-11
申请号：JP16120292
申请日：1992-06-19
申请人： KOKUSAI CHODENDO SANGYO GIJUTS , SUMITOMO METAL IND , KYUSHU ELECTRIC POWER , ASAHI GLASS CO LTD , RAILWAY TECHNICAL RES INST , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： IZUMI TERUO , OOTSU KANJI , YAMADA YOUJI , NAKAMURA YUICHI , ISHIGE KENGO , SHIOBARA TORU
IPC分类号： C01G1/00 , C01G3/00 , C30B29/22 , H01B13/00 , H01L39/24
摘要： PURPOSE:To obtain a coarse crystal with a simple process by calcining a mixture of raw materials having a specified composition under specified conditions, crushing the calcined material to obtain a precursor, forming the precursor, rapidly heating and then slowly cooling the formed body. CONSTITUTION:The mixture of raw materials having a specified composition is heated at 800-1000 deg.C for 1 hr in the low-oxygen-partial-pressure atmosphere with the oxygen partial pressure controlled to Torr, and the calcined material is crushed to obtain a precursor. The precursor is formed, rapidly heated to the temp. range where a 211 phase and a liq. phase coexist and then slowly cooled to grow the crystal.

3. 发明专利

JPH06122588A PREPARATION OF OXIDE CRYSTAL 失效
公开(公告)号：JPH06122588A
公开(公告)日：1994-05-06
申请号：JP23561692
申请日：1992-09-03
申请人： KOKUSAI CHODENDO SANGYO GIJUTS , ASAHI GLASS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND , SUMITOMO METAL IND , KYUSHU ELECTRIC POWER , RAILWAY TECHNICAL RES INST
发明人： YAMADA YOUJI , IZUMI TERUO , OOTSU KANJI , NAKAMURA YUICHI , ISHIGE KENGO , SHIOBARA TORU , TAGAMI MINORU , TANAKA SHOJI
IPC分类号： C30B15/02 , C01G1/00 , C01G3/00 , C30B15/00 , C30B15/36 , C30B29/16 , C30B29/22 , H01B13/00 , H01L39/24
摘要： PURPOSE:To continuously prepare a large oxide crystal or a crystal having a Y-based 123 structure. CONSTITUTION:A liquid phase, enclosing a solid phase having a composition which supplies a crystal constituent element to a liquid phase 3 and is different from an oxide crystal in a place distant from a position for growing the crystal, composed of at least the crystal constituent element and having the composition different from the oxide crystal is used for growing the oxide crystal. Thereby, the crystal having the different compositions is grown from the solid and liquid phases. Furthermore, a seed crystal, the rotational speed and rotative direction of the seed crystal and the atmosphere in a furnace are respectively controlled to grow the crystal having the different compositions from both the solid and the liquid phases.

4. 发明专利

JP2007113046A Quality control method in vacuum carburizing and vacuum carburizing furnace 有权
标题翻译：真空加热和真空加热炉中的质量控制方法
公开(公告)号：JP2007113046A
公开(公告)日：2007-05-10
申请号：JP2005304274
申请日：2005-10-19
申请人： Ishikawajima Harima Heavy Ind Co Ltd , 石川島播磨重工業株式会社
发明人： NAKABAYASHI TAKASHI , TAKAHASHI JINICHIRO , ISHIGE KENGO , SHIGEGAKI YASUHIRO
IPC分类号： C23C8/20 , C21D1/06 , C21D1/773 , F27D7/06
摘要： PROBLEM TO BE SOLVED: To provide a quality control method in vacuum carburizing where the quality in carburizing can be controlled by controlling a carburizing depth to a work, reproducibility is improved by obtaining a desired carburizing depth, variation in carburizing quality is reduced, so as to secure its uniformity, and the control of carburizing quality can be easily performed, and to provide a vacuum carburizing furnace.
SOLUTION: The vacuum carburizing furnace 10 is provided with: hydrogen partial pressure detection means (30, 32, 34) where a hydrogen partial pressure ratio to the whole pressure in a treating chamber 17 upon carburizing treatment is detected; an operation treating means (34) where treatment is performed in such a manner that, based on the time change of the hydrogen partial pressure ratio, a carbon inflow rate Ci(t) to the work 1 is found, and, based on the carbon inflow rate Ci(t), the estimate of the carburizing depth in the work 1 is found; and output means (36, 38) where the carburizing depth of the work 1 found by the operation treating means is displayed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供真空渗碳中的质量控制方法，其中可以通过控制对工件的渗碳深度来控制渗碳质量，通过获得所需的渗碳深度来改善再现性，降低渗碳质量的变化，以确保其均匀性，并且可以容易地进行渗碳质量的控制，并提供真空渗碳炉。解决方案：真空渗碳炉10设置有：氢分压检测装置（30,32,34），其中检测在渗碳处理时处理室17中的与总压力的氢分压比; 操作处理装置（34），其中以基于氢分压比的时间变化，发现与工件1的碳流入速率Ci（t）的方式进行处理，并且基于碳流入速率Ci（t），找出工作1中渗碳深度的估计值; 以及显示由操作处理装置找到的工件1的渗碳深度的输出装置（36,38）。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007113045A Quality control method in vacuum carburizing and vacuum carburizing furnace 有权
标题翻译：真空加热和真空加热炉中的质量控制方法
公开(公告)号：JP2007113045A
公开(公告)日：2007-05-10
申请号：JP2005304250
申请日：2005-10-19
申请人： Ishikawajima Harima Heavy Ind Co Ltd , 石川島播磨重工業株式会社
发明人： NAKABAYASHI TAKASHI , TAKAHASHI JINICHIRO , ISHIGE KENGO , SHIGEGAKI YASUHIRO
IPC分类号： C23C8/20 , C21D1/06 , C21D1/76 , C21D1/773 , F27B5/04
摘要： PROBLEM TO BE SOLVED: To provide a quality control method in vacuum carburizing where the judgement of the degree in the variation of carburizing quality is facilitated, and the control of the carburizing quality can be easily performed, to provide a vacuum carburizing furnace therefor, and further, to provide a vacuum carburizing furnace where the reproducibility of carburizing quality is improved, the variation in the carburizing quality is reduced, and its uniformity can be secured.
SOLUTION: In accordance with the carburizing depth and surface carbon concentration required for a work, based on the diffusion of carbon into the work, the time change of the theoretical flow rate of the carburizing gas required for carburizing treatment is found, based on the time change of the theoretical flow rate, the partial pressure ratio of hydrogen produced by carburizing reaction in the theoretical flow rate to the whole pressure in a treating chamber is regarded as a theoretical hydrogen partial pressure ratio, the time change of the theoretical hydrogen partial pressure ratio is found, the time change of the theoretical hydrogen partial pressure ratio and the time change of the hydrogen partial pressure ratio to the whole pressure in the treating chamber upon actual carburizing treatment are compared, and, based on their approximate degree, the degree of the variation in the carburizing quality in the same operation batch is judged.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供真空渗碳中的质量控制方法，其中便于渗碳质量变化程度的判断，并且可以容易地进行渗碳质量的控制，以提供真空渗碳炉因此，提供一种真空渗碳炉，其中渗碳质量的再现性提高，渗碳质量的变化降低，并且可以确保其均匀性。
解决方案：根据工作所需的渗碳深度和表面碳浓度，基于碳向工件中的扩散，发现渗碳处理所需的渗碳气的理论流量的时间变化，基于在理论流量的时间变化上，将理论流量中的渗碳反应产生的氢气与处理室中的整个压力的分压比视为理论氢分压比，理论氢气的时间变化发现分压比，理论氢分压比的时间变化和实际渗碳处理后处理室中氢分压比与整体压力的时间变化进行了比较，并且根据其近似程度，判断相同操作批次中渗碳质量变化程度。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005351761A Vacuum carburization sensor and vacuum carburizing treatment method using the same 审中-公开
标题翻译：真空加湿传感器和真空加热处理方法
公开(公告)号：JP2005351761A
公开(公告)日：2005-12-22
申请号：JP2004172839
申请日：2004-06-10
申请人： Ishikawajima Harima Heavy Ind Co Ltd , 石川島播磨重工業株式会社
发明人： TAKAHASHI JINICHIRO , NEHASHI KIYOSHI , ISHIGE KENGO
IPC分类号： G01N27/04 , C21D1/06 , C23C8/20
摘要： PROBLEM TO BE SOLVED: To provide a vacuum carburization sensor, capable of directly grasping the carburizing state of a product to be treated accompanied by vacuum carburizing treatment in real time, of avoiding the effect of history, capable of performing feedback control (operation), of stabilizing the quality of the final product to be treated and capable of corresponding, even to a two-chamber furnace or a continuous furnace, and to provide a vacuum carburizing treatment method using it.
SOLUTION: The vacuum carburization sensor 10 is composed of a sensor piece 12 having a composition same or similar to that of a material 1 to be treated, a constant cross-sectional shape and constant length and simultaneously as subjected to carburization treatment in a vacuum treatment furnace with the material to be treated, a pair of the lead wires 14 connected to both ends of the sensor piece and the resistance detecting means 16, installed outside the vacuum treatment furnace to detect the resistance value across a pair of the lead wires. The vacuum carburization sensor 10 is installed in the vicinity of the material 1 which is to be treated to be simultaneously subjected to carburization treatment in a vacuum treatment furnace 2 with the material to be treated, and the carburization quantity of the material to be treated is grasped from the detected resistance value.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种真空渗碳传感器，其能够实时地直接掌握待处理产品的渗碳状态，同时实现真空渗碳处理，以避免历史的影响，能够进行反馈控制（操作），稳定待处理的最终产品的质量并能够对应于甚至双室炉或连续炉，并提供使用它的真空渗碳处理方法。解决方案：真空渗碳传感器10由具有与待处理材料1相同或相似的组成的传感器片12，恒定的横截面形状和恒定的长度组成，同时进行渗碳处理具有待处理材料的真空处理炉，连接到传感器片两端的一对引线14和电阻检测装置16，安装在真空处理炉外部，以检测一对导线上的电阻值电线。将真空渗碳传感器10安装在待处理材料1的附近，并与真空处理炉2同时进行渗碳处理，其中待处理材料的渗碳量为从检测到的电阻值中掌握。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JPH09174204A METHOD FOR CONTINUOUSLY CASTING METALLIC STRIP AND APPARATUS THEREFOR 失效
公开(公告)号：JPH09174204A
公开(公告)日：1997-07-08
申请号：JP34183296
申请日：1996-12-20
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , BHP STEEL JLA PTY LTD
发明人： OSADA SHIRO , FUKASE HISAHIKO , KATO HEIJI , ISHIGE KENGO , MASOODO ASEFUPOAADEZUFURII
IPC分类号： B22D11/12 , B21B1/46 , B21B9/00 , B21B45/02 , B21B45/08 , B22D11/06 , B22D11/124 , B22D11/22
摘要： PROBLEM TO BE SOLVED: To restrain the development of scale and reduce the consumption of non-oxidizing gas by enclosing a strip into an enclosure and moving out the moving path out at a specified temp. or lower. SOLUTION: The upper cover 26b of a shutter 26 is lowered and abutted on the lower cover 26a and the opening degrees of flow rate adjusting valves 38a-38d are set. When the inner parts of an upstream side chamber 19 and a downstream side chamber 24 becomes non-oxidizing gas atmosphere, molten metal is supplied into a tundish 3 and the strip 4 is cast. When the tip part of the strip 4 passes through first pinch rolls 17a, 17b, nozzle group 22a, 22b is moved to the using position. A pump 41b is operated and the opening degree of the flow rate adjusting valves 34a, 34b are suitably adjusted and cooling liquid 42 is injected from the nozzle group 27a, 27b to rapidly cool the strip so as to move it out to the moving path at

8. 发明专利

JP2000160279A STEEL EXCELLENT IN IMPACT PENETRATION RESISTANCE, AND ITS MANUFACTURE 失效
公开(公告)号：JP2000160279A
公开(公告)日：2000-06-13
申请号：JP33930598
申请日：1998-11-30
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , KAWASAKI STEEL CO
发明人： ISHIGE KENGO , SHIBUE TADASHI , KAKINOCHI TSUTOMU , KAWABATA FUMIMARU , TANIGAWA OSAMU , UCHIDA KIYOSHI , KUDO JUNICHI
IPC分类号： C21D6/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a steel excellent in impact penetration resistance, capable of attaining improvement in weldability, bendability, etc., as well as in impact penetration resistance, and its manufacturing method. SOLUTION: This steel has 850 to 1700 MPa tensile strength, =2.0 penetration limiting energy ratio as a ratio to penetration limiting energy of JIS SS400. When heat treatment 1 consists of heating up to a temperature not lower than the Ac3 transformation point and water cooling down to

9. 发明专利

JP2005350729A Vacuum carburization method 有权
标题翻译：真空加热方法
公开(公告)号：JP2005350729A
公开(公告)日：2005-12-22
申请号：JP2004172827
申请日：2004-06-10
申请人： Ishikawajima Harima Heavy Ind Co Ltd , 石川島播磨重工業株式会社
发明人： TAKAHASHI JINICHIRO , NEHASHI KIYOSHI , ISHIGE KENGO
IPC分类号： C23C8/22 , C21D1/06
CPC分类号： Y02W30/54
摘要： PROBLEM TO BE SOLVED: To provide a vacuum carburization method capable of reducing waste of carburization gas by realizing adequate supply of carburization gas to the required amount, reducing the treatment cost, preventing sooting in a furnace, maintaining the gloss of a work, and enhancing the quality of the work by reducing generation and residue of cementite. SOLUTION: The relationship V=f(t) between the theoretical flow rate V of carburization gas required for carburization and the carburization time t is calculated based on internal diffusion of a material. The flow rate V1 during carburization which is much larger than the theoretical flow rate V and free from generation of sooting is supplied in the first carburization stage of the carburization step and the flow rate V2 during the diffusion smaller than the theoretical flow rate V is supplied in the second carburization stage successive to the first carburization stage. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种真空渗碳方法，其通过实现足够的渗碳气体供应达到所需量来减少渗碳气体的浪费，降低处理成本，防止炉中的烟灰，保持工件的光泽度通过减少渗碳体的产生和残留来提高工作质量。解决方案：基于材料的内部扩散计算渗碳所需的渗碳气体的理论流量V与渗碳时间t之间的关系V = f（t）。在渗碳步骤的第一渗碳阶段中提供在渗碳过程中远大于理论流量V并且没有产生排烟的流量V1，并且在小于理论流量V的扩散期间提供在扩散期间的流量V2 在第一个渗碳阶段连续的第二个渗碳阶段。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2001269780A CONTAINER FOR CRYOGENIC LIQUEFIED GAS 失效
公开(公告)号：JP2001269780A
公开(公告)日：2001-10-02
申请号：JP2000086572
申请日：2000-03-27
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , FURUKAWA ELECTRIC CO LTD , NIPPON STEEL CORP
发明人： EGUCHI HARUKI , ISHIGE KENGO , IIDA MASA , TSUCHIYA KAZUYUKI , HAYASHI MINORU , TOTSUGI YOICHIRO , FUJII HIDEKI
IPC分类号： F17C3/00 , B23K20/12 , B23K101/12 , B23K103/10
摘要： PROBLEM TO BE SOLVED: To improve the ductility and the toughness of the welded joint part of a container for cryogenic liquefied gas. SOLUTION: The butt welded joint part of a structure member 3a constituting the container for cryogenic liquefied gas, which is made of an aluminum alloy, especially made of an Al-Mg base alloy, and is used for storing the cryogenic liquefied gas, forms a weld zone 5 by welding along a weld line 6 by friction-stir welding method to be performed by using a tool 7 for welding, having a disk 7a and a probe pin 7b. By the friction-stir welding method, the structure of the welded joint part can be micronized, the generation of a β phase can be suppressed and the ductility and the toughness at a low temperature can be improved. Therefore the strength of the container can be improved.

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