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1. 发明专利

JP2014163744A Creep damage evaluation method 有权
标题翻译： CREEP损害评估方法
公开(公告)号：JP2014163744A
公开(公告)日：2014-09-08
申请号：JP2013033394
申请日：2013-02-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , KOMAI NOBUYOSHI , FUKUSHIMA HIROAKI , YOSHIDA HIROAKI , OZAKI EIJI , OYAMA HIROYUKI , TOMINAGA KIMIHIKO
IPC分类号： G01N17/00 , G01N3/00
摘要： PROBLEM TO BE SOLVED: To provide a creep damage evaluation method that realizes precise estimation of a residual life at a depth position where maximum stress acts.SOLUTION: A creep damage evaluation method includes: a maximum stress position analysis step of analyzing a stress distribution of a heat-resistant steel pipe 1 and calculating a depth position under maximum stress; a creep void calculation step of calculating each creep void number density Cd at multiple positions with different depths; an observation result calculation step of calculating a relational expression between the depth position of the heat-resistant steel pipe 1 and the creep void number density Cd; an estimation step of using the relational expression calculated in the observation result calculation step to estimate the creep void number density Cd at the depth position under maximum stress; a first creep damage rate calculation step of using a relational expression between a preset creep damage rate Dc and the creep void number density Cd to calculate a creep damage rate Dc at the depth position under maximum stress corresponding to the creep void number density Cd estimated at the estimation step.
摘要翻译：要解决的问题：提供一种实现对最大应力作用的深度位置的残余寿命的精确估计的蠕变损伤评估方法。解决方案：蠕变损伤评估方法包括：分析应力分布的最大应力位置分析步骤耐热钢管1，并计算最大应力下的深度位置; 蠕变空隙计算步骤，计算具有不同深度的多个位置处的每个蠕变空隙数密度Cd; 观察结果计算步骤，计算耐热钢管1的深度位置与蠕变空隙数密度Cd之间的关系式; 使用在观察结果计算步骤中计算的关系表达式来估计最大应力下的深度位置处的蠕变空隙数密度Cd的估计步骤; 使用预设的蠕变损伤率Dc和蠕变空隙密度Cd之间的关系表达式的第一蠕变损伤率计算步骤来计算在与在下面估计的蠕变空隙数密度Cd相对应的最大应力下的深度位置处的蠕变损伤率Dc 估计步骤。

2. 发明专利

JP2013163202A Structure for mounting plug member 有权
标题翻译：安装插座会员的结构
公开(公告)号：JP2013163202A
公开(公告)日：2013-08-22
申请号：JP2012027335
申请日：2012-02-10
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： OHARA TOSHINOBU , DATE SHINGO , FUKUSHIMA HIROAKI , HIRAKAWA YUICHI , YOSHIDA HIROAKI
IPC分类号： B23K9/02 , B23K9/00 , B23K9/028 , B23K33/00 , F16L55/16
摘要： PROBLEM TO BE SOLVED: To provide a structure for mounting a plug member which can suppress stress from being concentrated in a specific region in a structure for mounting a plug member in which the plug member is welded to a structural member or the like formed with a through hole, and to which stress is exerted.SOLUTION: A structure for mounting a plug member includes: a partition wall 10 defining an interior space to which a fluid with a higher temperature and a higher pressure than those on the outside is held or circulated; a plug member 20 inserted into a through hole formed at the partition wall 10; and a welding part 30 where an outer surface of the partition wall 10 and the plug member 20 are jointed together. The partition wall 10 has a tapered surface 40 gradually projecting outward as proceeding to a center of the through hole, around the through hole. The welding part 30 is provided so as to be smoothly connected to the tapered surface 40 of the partition wall 10.
摘要翻译：要解决的问题：提供一种用于安装插塞构件的结构，其可以将用于将插塞构件焊接在其中的塞构件的结构中的特定区域中的应力集中到形成有结构构件的结构构件等上通孔，并且施加应力。解决方案：用于安装插塞构件的结构包括：限定内部空间的分隔壁10，具有比外部更高的温度和更高压力的流体被保持或循环 ; 插入到形成在分隔壁10上的通孔中的插头构件20; 以及分隔壁10和插头构件20的外表面接合在一起的焊接部30。分隔壁10具有逐渐向外延伸的锥形表面40，该锥形表面40围绕通孔延伸到通孔的中心。焊接部30设置成与分隔壁10的锥面40平滑地连接。

3. 发明专利

JP2013108450A Turbine rotor and method for manufacturing the same 审中-公开
标题翻译：涡轮转子及其制造方法
公开(公告)号：JP2013108450A
公开(公告)日：2013-06-06
申请号：JP2011254980
申请日：2011-11-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： FUKUSHIMA HIROAKI , HIRAKAWA YUICHI , TOKIYOSHI TAKUMI , MARUYAMA KANEMITSU , NISHIMOTO SHIN
IPC分类号： F01D5/06 , B23K9/00 , B23K9/18 , B23K37/08 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To provide a turbine rotor whose back side of a weld joint can be easily processed in a turbine rotor composed of a plurality of rotor segments.SOLUTION: There is provided the turbine rotor 1 in which a plurality of the rotor segments 4, 5, 6 are joined to each other in an axis line D direction. The rotor segments 4, 5, 6 includes an outer cylindrical part 11 which is formed of a cylinder with the axis line centered and has welded ends 13, 14 where axis-line directional ends of adjacent rotor segments are welded to each other, and a disk part 12 which is formed in a manner protruding from an inner circumferential surface of the outer cylindrical part to a radial inside and is integrated with a hole 15 whose center is the axis line D.
摘要翻译：要解决的问题：提供一种涡轮转子，其在焊接接头的背面可以容易地在由多个转子段构成的涡轮转子中加工。解决方案：提供涡轮转子1，其中多个转子段4,5沿轴线D方向彼此接合。转子段4,5,6包括外圆柱形部分11，其由具有轴线中心的圆柱体形成，并且具有焊接端部13,14，其中相邻转子段的轴线方向端部彼此焊接，并且圆盘部12以从外筒部的内周面突出到径向内侧的方式形成，并且与中心为轴线D的孔15一体化。（C）2013，JPO＆INPIT

4. 发明专利

JP2010156011A Heat resistant cast steel and steam turbine main valve 有权
标题翻译：耐热铸钢和蒸汽涡轮主阀
公开(公告)号：JP2010156011A
公开(公告)日：2010-07-15
申请号：JP2008334153
申请日：2008-12-26
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KUDO TAKAHIRO , HIRAKAWA YUICHI , FUKUSHIMA HIROAKI , NISHIMOTO SHIN , HAMADA TAKEHISA
IPC分类号： C22C38/00 , C21D1/18 , C21D6/00 , C21D9/00 , C22C38/48 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To provide a heat resistant cast steel improved in creep fracture strength at 600°C. SOLUTION: The heat resistant cast steel has a composition containing 0.10 to 0.14 mass% C, 0.20 to 0.40 mass% Si, 0.4 to 1.0 mass% Mn, ≤0.02 mass% P, ≤0.01 mass% S, 0.50 to 0.80 mass% Ni, 9.5 to 10.2 mass% Cr, 0.92 to 1.07 mass% Mo, 0.92 to 1.07 mass% W, 0.18 to 0.25 mass% V, 0.05 to 0.10 mass% Nb, ≤0.020 mass% Al and 0.03 to 0.06 mass% N, and the balance iron with inevitable impurities. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供在600℃下提高蠕变断裂强度的耐热铸钢。＆lt; P＆gt;解决方案：耐热铸钢具有C：0.10〜0.14质量％，Si：0.20〜0.40质量％，Mn：0.4〜1.0质量％，≤0.02质量％P，≤0.01质量％S，0.50〜0.80 质量％Ni，9.5〜10.2质量％Cr，0.92〜1.07质量％Mo，0.92〜1.07质量％W，0.18〜0.25质量％V，0.05〜0.10质量％Nb，≤0.020质量％Al和0.03〜0.06质量％ N，余铁与不可避免的杂质。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009092478A Method of evaluating degradation in heat-resistant steel and method of evaluating degradation in turbine 有权
标题翻译：评估耐热钢中的降解方法及其在涡轮机中的评估方法
公开(公告)号：JP2009092478A
公开(公告)日：2009-04-30
申请号：JP2007262458
申请日：2007-10-05
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , YOSHIDA HIROAKI , MIYAJIMA KEIICHIRO , KADOYA YOSHIKUNI
IPC分类号： G01N17/00 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method of noncontactly determining a creep damage and an embrittlement as a thermal damage generated in a heat-resistant steel, especially a high Cr steel, and evaluating a degradation in the heat-resistant steel, and to provide a method of evaluating degradation in a turbine using the method.
SOLUTION: The method of evaluating degradation in the heat-resistant steel calculates an area ratio of a deposition generated on a surface of the heat-resistant steel to be inspected, and determines the degree of the embrittlement in the heat-resistant steel from the area ratio of the deposition generated on the surface of the heat-resistant steel on the basis of a previously-created graph for indicating a correlation between an embrittlement index and the area ratio of the deposition generated in the heat-resistant steel. The degradation evaluation method calculates a number concentration of voids generated on the surface of the heat-resistant steel, normalizes it by use of the multiaxial degree of the heat-resistant steel, and determines the degree of the creep damage in the heat-resistant steel from a value as the number concentration of the voids generated on the surface of the heat-resistant steel normalized by the multiaxial degree on the basis of a previously-created graph for indicating a correlation between a lifetime ratio of the heat-resistant steel and the number concentration of the voids normalized by the multiaxial degree.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种非接触地确定作为在耐热钢，特别是高Cr钢中产生的热损伤的蠕变损伤和脆化并评估耐热钢的劣化的方法，并且提供使用该方法评估涡轮机的劣化的方法。解决方案：评价耐热钢中的退化的方法计算在被检查的耐热钢的表面上产生的沉积物的面积比，并且确定耐热钢中的脆化程度基于用于表示脆化指数和耐热钢中产生的沉积物的面积比之间的相关性的先前生成的曲线图，从耐热钢表面上产生的沉积物的面积比率。劣化评价方法计算出耐热钢表面产生的空隙的数量浓度，通过使用耐热钢的多轴度使其标准化，并且确定耐热钢中的蠕变损伤程度从作为在多轴度标准化的耐热钢的表面上产生的空隙的数量的值基于用于表示耐热钢的寿命比和通过多轴度归一化的空隙的数量浓度。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2003315251A High temperature damage evaluating method for heat- resisting steel 审中-公开
标题翻译：耐高温高温损伤评估方法
公开(公告)号：JP2003315251A
公开(公告)日：2003-11-06
申请号：JP2002123494
申请日：2002-04-25
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , KADOYA YOSHIKUNI
IPC分类号： G01N17/00 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a high temperature damage evaluating method for heat- resisting steel performing high temperature damage evaluation to a heat-resisting steel (annealed martensitic stainless steel).
SOLUTION: High temperature evaluation (remaining service life evaluation) is performed (a void number density method) by preparing a creep void evaluating chart to express the relation between the number density of creep voids and a service life ratio on the annealing martensitic stainless steel from a multi- axis stress test in advance, and determining the number density of the creep voids of a part exposed to a multiaxial stress field from a void observing means to determine the service life ratio of the part based on this number density of the creep voids and the creep void evaluating chart. Also, the part exposed to the multiaxial stress field, where hardness measurement is difficult, is evaluated with this void number density method, and the high temperature evaluating method (the remaining service life evaluation) of the whole high temperature apparatus is performed by evaluating a part, where hardness measurement is easy, with the hardness measurement.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为耐热钢（退火马氏体系不锈钢）进行高温损伤评价的耐热钢的高温损伤评价方法。解决方案：通过制备蠕变空隙评估图来表示蠕变空隙的数量密度与退火马氏体的使用寿命比之间的关系，进行高温评价（剩余使用寿命评估）（空隙数密度法）预先从多轴应力测试中确定不锈钢，并且确定从空隙观察装置暴露于多轴应力场的部分的蠕变空隙的数量密度，以基于该数量密度来确定部件的使用寿命比蠕变空隙和蠕变空隙评估图。此外，通过该空隙数密度法评价暴露于硬度测量困难的多轴应力场的部分，并且通过评价整个高温装置的高温评价方法（剩余寿命评估）来进行部分硬度测量很容易，硬度测量。版权所有（C）2004，JPO

7. 发明专利

JP2014040631A Aging condition setting method and turbine blade manufacturing method 有权
标题翻译：老化条件设定方法和涡轮叶片制造方法
公开(公告)号：JP2014040631A
公开(公告)日：2014-03-06
申请号：JP2012183103
申请日：2012-08-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , KURIMURA TAKAYUKI , OYAMA KOJI
IPC分类号： C21D9/00 , C21D6/00
CPC分类号： C21D9/0068 , C21D1/55 , C21D6/002 , C21D6/004 , C21D11/00
摘要： PROBLEM TO BE SOLVED: To provide an aging condition setting method by which a desired strength characteristic can be obtained even when a chemical composition and a metallographic structure are varied, and to provide a turbine blade manufacturing method to which the aging condition setting method is applied.SOLUTION: The aging condition setting method comprises: a step in which aging treatment is applied to a standard material, thereby a master curve 20 that shows relationship between an aging condition parameter and a material strength parameter is obtained; a step in which a fitting point A that shows the material strength parameter is obtained for an object material in which at least one of a chemical composition parameter and a metallographic structure parameter is different from that of the standard material; a step in which the master curve 20 is corrected so that a part of the master curve 20 may correspond to the fitting point A, and the corrected aging curve 30 is obtained; and a step in which an aging condition of the object material is set based on the corrected aging curve 30.
摘要翻译：要解决的问题：提供一种老化条件设定方法，即使在化学组成和金相组织变化时也能获得期望的强度特性，并提供应用了老化条件设定方法的涡轮叶片的制造方法解决方案：老化条件设定方法包括：对标准材料施加时效处理的步骤，从而获得表示老化条件参数和材料强度参数之间关系的主曲线20; 对于其中化学成分参数和金相组织参数中的至少一个与标准材料的化学组成参数和金相组织参数中的至少一个不同的目标材料获得显示材料强度参数的拟合点A的步骤; 校正主曲线20使得主曲线20的一部分可以对应于拟合点A的步骤，并且获得校正的老化曲线30; 以及基于校正的老化曲线30设定对象材料的老化条件的步骤。

8. 发明专利

JP2013113144A Secular bending amount predicting method for structural member 审中-公开
标题翻译：用于结构构件的弯曲弯曲预测方法
公开(公告)号：JP2013113144A
公开(公告)日：2013-06-10
申请号：JP2011257883
申请日：2011-11-25
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , NISHIMOTO SHIN , MARUYAMA KANEMITSU , FUKUSHIMA HIROAKI
IPC分类号： F01D25/00 , C22C38/00 , C22C38/18 , F01D5/02 , F02C7/00 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a secular bending amount predicting method for a structural member which serves in an environment of a high temperature, high load stress, etc. and is liable to be creep-deformed.SOLUTION: The secular bending amount predicting method for the structural member performs an FEM creep analysis in which a deviation ratio in the structural member circumferential direction of a factor having influence upon the creep strength of the structural member is used as a deviation ratio of the distribution in the circumferential direction of a creep velocity.
摘要翻译：要解决的问题：提供一种用于在高温，高负载应力等环境中使用并易于蠕变变形的结构构件的长期弯曲量预测方法。解决方案：结构构件的长期弯曲量预测方法进行FEM蠕变分析，其中使用影响结构构件的蠕变强度的因子的结构构件圆周方向上的偏差比作为偏差比的蠕变速度在圆周方向上的分布。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012173217A Piping inspection method and piping lifetime determination method 有权
标题翻译：管道检查方法和管道寿命测定方法
公开(公告)号：JP2012173217A
公开(公告)日：2012-09-10
申请号：JP2011037482
申请日：2011-02-23
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , DATE SHINGO , NAKAI MASAYOSHI , KAWANAMI SEIICHI , KIMURA TADASHI , YOSHIDA HIROAKI , TOKUMOTO TAKEO
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide a piping inspection method capable of easily obtaining concrete information about damage to piping, improving reliability of inspection result and accurately knowing a damage state, after welding or in accordance with conditions of utilization, and provide a piping lifetime determination method.SOLUTION: A piping inspection method in the invention is a method for inspecting damage on an interface of a different-material welded joint part of piping, and includes: a surface observation step for collecting information about damage on a surface of the piping and acquiring information about generation state of the damage; an internal observation step for using a probe, which comprises a transmission part for transmitting an ultrasonic wave and a receiving part capable of receiving the ultrasonic wave, to transmit the ultrasonic wave to the interface of the different-material welded joint part from the transmission part, and for acquiring information about generation state of internal damage of the piping by receiving a reflected wave at the receiving part; and a diagnosis step for diagnosing a damage level of the piping based on the information about the generation state of the damage acquired in the surface observation step and the internal observation step.
摘要翻译：要解决的问题：提供一种管道检查方法，其能够容易地获得关于管道损坏的具体信息，提高检查结果的可靠性并且准确地知道损坏状态，焊接之后或根据使用条件，并提供管寿命测定方法。解决方案：本发明的管道检查方法是用于检查管道的不同材料焊接部分的界面上的损伤的方法，包括：表面观察步骤，用于收集关于管道表面上的损坏的信息并获取有关损害发生状态的信息; 使用探头的内部观察步骤，其包括用于发射超声波的透射部分和能够接收超声波的接收部分，以将超声波传输到不同材料焊接接头部分与透射部分的界面并且通过在接收部分处接收反射波来获取关于管道的内部损坏的生成状态的信息; 以及基于在表面观察步骤和内部观察步骤中获取的损伤的生成状态的信息来诊断管道的损伤水平的诊断步骤。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2012077355A Method for manufacturing structural member 审中-公开
标题翻译：制造结构件的方法
公开(公告)号：JP2012077355A
公开(公告)日：2012-04-19
申请号：JP2010224109
申请日：2010-10-01
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , TSUBOTA SHUHO , KURIMURA TAKAYUKI , OYAMA KOJI , MIYAJIMA KEIICHIRO
IPC分类号： C21D6/00 , C21D1/09 , C21D9/00 , C23C26/00 , F01D5/22 , F01D5/28 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method that can form a firmly hardened layer by the surface modification of a base material even for a structural member with a curved surface shape.SOLUTION: The manufacturing method includes: a laser irradiation step of irradiating a predetermined range of a substrate 53 formed of the base material with a laser beam L to heat the range to a temperature between 800°C or more where austenite reverse transformation is completed and less than a melting point of the substrate; and an aging heat treatment step of performing aging heat treatment to the substrate 53 that is irradiated with the laser beam L in the laser irradiation step to form the hardened layer 54 that is developed by precipitation hardening of the base material, in the predetermined range.
摘要翻译：要解决的问题：提供即使对于具有曲面形状的结构构件也能通过基材的表面改性而形成坚固硬化层的制造方法。解决方案：制造方法包括：激光照射步骤，用激光束L照射由基材形成的基板53的预定范围，以将该范围加热到800℃以上的温度，其中奥氏体逆转变完成并小于基材的熔点; 以及对在激光照射工序中照射激光束L的基板53进行时效热处理的时效热处理工序，形成规定范围内通过基材的析出硬化显影的硬化层54。版权所有（C）2012，JPO＆INPIT

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