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1. 发明专利

JP2009050914A Welding method 审中-公开
标题翻译：焊接方法
公开(公告)号：JP2009050914A
公开(公告)日：2009-03-12
申请号：JP2007222819
申请日：2007-08-29
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： YASUMA YUSUKE , RA SHOGUN , OKADA MASAYA , MORI TOSHIMITSU , IMANAGA AKIYOSHI
IPC分类号： B23K9/167 , B23K9/173 , B23K9/235 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a welding technology capable of obtaining a sound fused junction part with deep penetration without blow hole or incomplete penetration.
SOLUTION: The welding method includes a step (1) of forming an I-shaped joint part by butting end faces of two steel plates to each other, a step (2) of forming a sealed part 17a for sealing a gap formed on a surface side of the steel plates out of gaps G formed in the I-shaped joint part by melting the surface of the steel plates adjacent to the gap with arc, a step (3) of coating a penetration promoting agent 4a on the surface of the steel plates including the formed sealed part, a step (4) of melt-joining the I-shaped joint part from the surface side by melting and penetrating the surface of the steel plates with the promoting agent being coated thereon by arc, a step (5) of coating the penetration promoting agent on the butted part formed on the back side, and a step (6) of melt-joining the I-shaped joint part from the back side by melting the back side by arc until reaching the melt-joined part formed at least from the surface side.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够获得具有深度穿透而没有吹孔或不完全穿透的声音熔接部的焊接技术。解决方案：焊接方法包括通过将两个钢板的端面对接形成I形接头部的工序（1），形成用于密封形成的间隙的密封部17a的工序（2）在通过用电弧熔化与钢板间隙相邻的钢板表面形成在I形接合部分中的间隙G之外的钢板的表面侧，在表面上涂覆渗透促进剂4a的步骤（3）包括形成的密封部分的钢板，通过熔化并且通过电弧将促进剂涂覆在钢板的表面上而从表面侧熔融接合I形接头部分的步骤（4），将穿透促进剂涂布在形成在背面的对接部分上的步骤（5），以及通过将背面熔化直到熔化到I型接头部分从背面熔融接合I形接头部分的步骤（6）熔融接合部分至少从表面侧形成。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2010149160A Method of manufacturing reactor core shroud for nuclear power plant, and nuclear power plant structure 有权
标题翻译：核电厂核反应堆生产方法及核电厂结构
公开(公告)号：JP2010149160A
公开(公告)日：2010-07-08
申请号：JP2008331832
申请日：2008-12-26
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： ASHIDA EIJI , ZHANG XUDONG , TARASAWA SHO , OKADA MASAYA , YASUMA YUSUKE
IPC分类号： B23K26/20 , B23K15/00 , B23K26/14 , B23K33/00 , G21C13/00 , G21D1/00
CPC分类号： B23K33/006 , B23K26/28 , B23K35/22 , B23K35/38 , G21C11/083 , G21C21/00 , Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a reactor core shroud for a nuclear power plant, a method which facilitates assembly of a groove part and which obtains a weld joint having an extremely small plastic deformation range and residual stress incidental to solidification shrinkage of a weld zone, when the reactor core shroud having a welding structure of a nuclear power plant is manufactured by laser welding, and to provide a nuclear power plant structure. SOLUTION: In welding a butted part of a plurality of members constituting a reactor core shroud, the butted part is provided with a root face, and the length of the root face is set to 25-95% of the thickness of a thinner butted part in the plurality of members, and that a part other than the root face is provided with a narrow groove, and the welding is performed on the butted part by laser welding using a welding wire. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造用于核电站的反应堆堆芯护罩的方法，该方法能够有利于组装槽部并且获得具有非常小的塑性变形范围的焊接接头和附带的残余应力当通过激光焊接制造具有核电厂的焊接结构的反应堆芯护罩并且提供核电站结构时，焊接区域的凝固收缩。解决方案：在焊接构成反应堆芯护罩的多个构件的对接部分中，对接部分设置有根面，并且根面的长度设定为厚度的25-95％在多个构件中较薄的对接部分，并且除根面以外的部分设置有窄槽，并且通过使用焊丝的激光焊接在对接部上进行焊接。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009061483A Two sided welding method and two sided welded structure 有权
标题翻译：双面焊接方法和双面焊接结构
公开(公告)号：JP2009061483A
公开(公告)日：2009-03-26
申请号：JP2007232623
申请日：2007-09-07
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： IMANAGA AKIYOSHI , ASHIDA EIJI , OBANA TAKESHI , RA SHOGUN , OKADA MASAYA , MIURA YUICHI
IPC分类号： B23K9/167 , B23K9/00 , B23K9/02 , B23K101/12
摘要： PROBLEM TO BE SOLVED: To provide a two sided welding method, with a double U type bevel joint composed of tube members or plate members of thick plates requiring two sided welding as an object, which can obtain a two sided laminated weld zone having low deformation, high efficiency and high quality, and is further effective for the improvement of productivity and the reduction of cost, and to provide a two sided welded structure. SOLUTION: In the two sided welding method, the bottom part of a bevel 3 on the surface side formed at the central part of the plate thickness T of the double U type bevel joint or the vicinity thereof is subjected to initial layer uranami welding, till it reaches a lamination bead height Hb in the range from the bottom part of the bevel 3 including the initial layer welded part 15 to 1/5 to 2/5 of the bevel depth Ho1 before welding or the bisected plate thickness T, or it reaches a residual bevel depth Hk in the range of ≤4/5 to ≥3/5 of the bevel depth Ho1 before welding, or the prescribed upper limit value of the shrinkages of the bevel shoulder widths w1 and w2 approaches 2 mm, surface side lamination welding is performed, thereafter, back side lamination welding is performed from the bottom part B2 of the bevel of the U type bevel joint on the back side to the final layer at the upper part of the bevel, and subsequently, surface side lamination welding is performed from the remaining bevel part on the surface side to the final layer at the upper part of the bevel. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供双面焊接方法，使用由需要双面焊接作为对象的管构件或厚板的板构件构成的双U型斜面接头，其可以获得双面层叠焊接区具有低变形，高效率和高质量，并且对于提高生产率和降低成本而言更有效，并且提供双面焊接结构。解决方案：在双面焊接方法中，形成在双U型斜面接头或其附近的板厚T的中心部分的表面侧上的斜面3的底部受到初始层铀焊接，直到在焊接前的斜面深度Ho1的初始层焊接部15至斜边3的斜面3的底部或平分板厚度T之间达到层叠钢珠高度Hb，或者达到在焊接前的斜面深度Ho1的≤4/ 5〜≥3/ 5的范围内的残余斜面深度Hk，或斜边肩宽w1和w2的规定的上限值接近2mm，然后进行表面侧层叠焊接，然后从斜面的上部的背面侧的U型斜面接合部的斜面的底部B2到最终层，然后将表面侧层叠焊接从r进行层压焊接在斜面的上部将表面侧的斜面部分形成为最终层。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2011020134A Different material build-up welding method and different material build-up welding structure 有权
标题翻译：不同材料建筑焊接方法和不同材料建筑焊接结构
公开(公告)号：JP2011020134A
公开(公告)日：2011-02-03
申请号：JP2009166266
申请日：2009-07-15
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： IMANAGA AKIYOSHI , ASHIDA EIJI , OBANA TAKESHI , TARASAWA SHO , OKADA MASAYA , MIZUGUCHI KAZUHIKO
IPC分类号： B23K9/04
摘要： PROBLEM TO BE SOLVED: To provide a different material build-up welding method which can obtain a build-up weld zone of superio quality free of weld cracks or brittle structures, and is effective to enhance welding efficiency, and to provide a and different material build-up welding structure using the method.
SOLUTION: The different material build-up welding method is characterized in that, on the surface of a carbon steel base material 5, a welding wire 6 of SUS309 system is built-up by welding by hot wire TIG welding of a wire energizing/heating method to form a build-up weld zone comprising a plurality of weld passes and a plurality of layers, and that the rate of dilution of fusion on the base material 5 side relative to each welding cross section of the weld passes is set ≤30% so that the molten metal structure of the build-up weld zones b1-b6 of the first layer becomes a mixed structure of an austenitic structure and a ferrite structure of 3-15%. Also, in the method, a low-carbon steel welding wire is underlaid on the surface of the carbon steel base material, with build-up welding of a stainless wire performed as above on the underlaying surface.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供不同的材料堆积焊接方法，其可以获得没有焊缝裂纹或脆性结构的超级质量的堆积焊接区域，并且有效地提高焊接效率，并且提供和使用该方法的不同材料堆积焊接结构。解决方案：不同的材料堆积焊接方法的特征在于，在碳钢基材5的表面上，SUS309系统的焊丝6通过焊丝通过热丝TIG焊接而形成通电/加热方法，以形成包括多个焊接通道和多个层的堆积焊接区域，并且设置相对于焊接通道的每个焊接横截面在基材5侧上的熔化稀释速率 ≤30％，使得第一层的积聚焊接区域b1-b6的熔融金属结构成为3-15％的奥氏体组织和铁素体组织的混合结构。此外，在该方法中，低碳钢焊丝被覆在碳素钢基材的表面上，通过在垫层表面上进行如上所述的不锈钢的堆积焊接。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010125490A Welding method of i-shaped joint, the i-shaped weld joint, and welding structure using the same 有权
标题翻译： I型成形焊接方法，I型焊接接头和使用该焊接接头的焊接结构
公开(公告)号：JP2010125490A
公开(公告)日：2010-06-10
申请号：JP2008303379
申请日：2008-11-28
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： IMANAGA AKIYOSHI , ASHIDA EIJI , OBANA TAKESHI , TARASAWA SHO , OKADA MASAYA , MIZUGUCHI KAZUHIKO
IPC分类号： B23K9/02 , B23K9/00 , B23K9/025 , B23K9/028 , B23K9/12 , B23K9/16 , B23K9/167 , B23K35/30 , B23K35/368 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide an I-shaped weld joint having a weld metal of a deep penetration shape free from weld defect and excellent in quality, and to provide the welding method of the same. SOLUTION: In the welding method, the I-shaped weld joint which is composed of stainless steel or low carbon steel and which is obtained by butting sides of the members of the same thickness against each other is welded using a shielding gas supply means for jetting shielding gas of an inert gas, by first arc welding of a non-consumable electrode type, from both front and rear sides by feeding a flux-cored wire filled with flux to an arc weld zone. The method is characterized in that, from the front or the outer side of the weld joint, a first weld metal part is formed in a penetration shape fused to the depth of 1/2 or more but 4/5 or less of the plate thickness T without fusing to the rear side of the plate thickness T, that second arc welding is subsequently carried out fusing to the depth of 1/2 or more but 4/5 or less of the plate thickness T from the rear side or the inner side of the I-shaped weld joint, and that a second weld metal part is formed in a penetration shape fused with the tip end of the first weld metal part. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有无焊接缺陷且质量优良的深度穿透形状的焊接金属的I形焊接接头，并提供其焊接方法。解决方案：在焊接方法中，由不锈钢或低碳钢组成的I形焊接接头，其通过使用保护气体供应焊接彼此相同厚度的部件的侧面通过将填充有焊剂的药芯焊丝供给到电弧焊接区域，从前后两侧通过非消耗电极型的电弧焊接喷射惰性气体的保护气体的装置。该方法的特征在于，从焊接接头的前侧或外侧开始，将第一焊接金属部形成为与板厚度的1/2以上且4/5以下的深度熔合的贯通形状 T而不熔合到板厚T的后侧，随后进行第二电弧焊接，从后侧或内侧到达板厚T的1/2以上至4/5以下的深度并且第二焊接金属部形成为与第一焊接金属部的前端熔合的贯通形状。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010167425A Welding method of vertical t-shaped joint, vertical t-shaped weld joint, and welded structure using the same 有权
标题翻译：垂直T形接头，垂直T形焊接接头及其焊接结构的焊接方法
公开(公告)号：JP2010167425A
公开(公告)日：2010-08-05
申请号：JP2009010486
申请日：2009-01-21
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： IMANAGA AKIYOSHI , ASHIDA EIJI , OBANA TAKESHI , TARASAWA SHO , OKADA MASAYA , MIZUGUCHI KAZUHIKO
IPC分类号： B23K9/02 , B23K9/00 , B23K9/167 , B23K9/23 , B23K10/02 , B23K26/14 , B23K26/20 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a welding method of a vertical T-shaped joint capable of obtaining a sound weld metal part and sufficient welding strength while upper and lower plates are arranged on upper and lower sides of a vertical plate, and to provide a vertical T-shaped weld joint and a welded structure using the vertical T-shaped weld joint. SOLUTION: In the welding method of the vertical T-shaped joint, the joint consists of stainless steel steels, where one or two butted upper and lower plates are arranged on upper and lower sides of a vertical plate. The surfaces of the upper and lower plates to the vertical plate side are subjected to the non-consumable electrode type arc welding while feeding a wire or the laser beam by applying defocused laser beam with the focal position of the laser beam being deviated upward of the plate surface. The thickness T1 of the upper or lower plate is in a range of 2 T1). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够获得良好的焊接金属部分的垂直T形接头的焊接方法和足够的焊接强度，同时上板和下板布置在垂直板的上侧和下侧，并且提供垂直T形焊接接头和使用垂直T形焊接接头的焊接结构。
解决方案：在垂直T形接头的焊接方法中，接头由不锈钢钢组成，其中一个或两个对接的上板和下板布置在垂直板的上侧和下侧。上板和下板到垂直板侧的表面经受非消耗电极电弧焊接，同时通过施加散焦的激光束来馈送线或激光束，其中激光束的焦点位置偏离板表面。上板或下板的厚度T1在2 T1）。版权所有（C）2010，JPO＆INPIT

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