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    RESIDUAL STRESS EVALUATION METHOD
    1.
    发明申请
    RESIDUAL STRESS EVALUATION METHOD 审中-公开

    公开(公告)号：US20180010205A1

    公开(公告)日：2018-01-11

    申请号：US15546077

    申请日：2015-04-21

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Naoki Ogawa ,  Mayumi Ochi ,  Nobuyuki Hori

    IPC分类号： C21D7/06 ,  B23P17/00 ,  G01L5/00 ,  G06F17/50

    CPC分类号： C21D7/06 ,  B23P17/00 ,  B24C1/10 ,  G01L5/0047 ,  G01N3/32 ,  G01N3/40 ,  G01N2203/0212 ,  G01N2203/0216 ,  G06F17/50 ,  G06F17/5009

    摘要： A method of evaluating a residual stress including a condition setting step of setting a processing condition of water jet peening for a processing target; an analysis step of analyzing a jet flow when a fluid is injected from a nozzle model to a processing target model in accordance with the processing condition, and obtaining a void fraction which is a volume fraction of babbles contained in a unit volume of the fluid, and a collapse fraction, which is a volume fraction of the bubbles which collapse in a unit time in the unit volume of the fluid, at each position on a surface of the processing target model; an impact pressure correlation value calculating step of obtaining an impact pressure correlation value, which is a product of the void fraction and the collapse fraction at each position; an experimental value acquisition step of obtaining an impact pressure experimental value.

    WATER JET PEENING DEVICE
    2.
    发明申请
    WATER JET PEENING DEVICE 审中-公开
    水喷射装置

    公开(公告)号：US20160361746A1

    公开(公告)日：2016-12-15

    申请号：US15121262

    申请日：2015-01-16

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Takaharu Maeguchi ,  Yuichiro Nomura ,  Kazuya Tsutsumi ,  Nobuyuki Hori

    IPC分类号： B21D31/06 ,  C21D7/06

    CPC分类号： B21D31/06 ,  C21D7/04 ,  C21D7/06 ,  C21D9/08 ,  C21D9/50 ,  G21C17/003 ,  G21C21/00

    摘要： A water jet peening device includes a sealed vessel provided to cover a surface of a welded portion, and adapted to be in a sealed state where an internal pressure is higher than an outside, a jet nozzle adapted to jet high-pressure water to create a cavitation bubble toward the surface of the welded portion, inside the sealed vessel, and a pressure control hole adapted to be able to adjust the internal pressure of the sealed vessel. The water jet peening device can efficiently reform a tensile residual stress on the surface of the welded portion to a compressive residual stress.

    摘要翻译： 喷水喷丸装置包括设置成覆盖焊接部分的表面并且适于处于内部压力高于外部的密封状态的密封容器，适于喷射高压水的喷嘴以产生 朝向密封容器内的焊接部的表面的空化气泡，以及适于能够调节密封容器的内部压力的压力控制孔。 喷水喷丸装置可以有效地将焊接部分的表面上的拉伸残余应力改造成压缩残余应力。

    Nozzle repairing method and nuclear reactor vessel
    3.
    发明授权
    Nozzle repairing method and nuclear reactor vessel 有权
    喷嘴修复方法和核反应堆容器

    公开(公告)号：US09375813B2

    公开(公告)日：2016-06-28

    申请号：US13853610

    申请日：2013-03-29

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Takeshi Yamamoto ,  Tomochika Hamamoto ,  Nobuyuki Hori ,  Tsuyoshi Nishimura ,  Hideshi Sakashita

    IPC分类号： G21C9/00 ,  B23P6/04 ,  G21C13/02 ,  G21C13/036 ,  G21C17/017 ,  G21C19/20 ,  G21C5/00

    CPC分类号： B23P6/04 ,  G21C5/00 ,  G21C13/02 ,  G21C13/036 ,  G21C17/017 ,  G21C19/207 ,  Y02E30/40 ,  Y10T29/49734 ,  Y10T29/49737

    摘要： It is possible to improve the workability and the stress corrosion resistance by easily performing a repairing operation in a nozzle repairing method and a nuclear reactor vessel. The repairing method includes: removing a first connection portion ((trepanned portion) 208) with respect to an in-core instrument tube (204) in a groove-welding portion (206); removing the in-core instrument tube (204) from a lower mirror (66); leaving and grooving a second connection portion ((existing welding portion) 211) with respect to the lower mirror (66) in the groove-welding portion (206); inserting a new in-core instrument tube (204A) into an attachment hole (203); and groove-welding (so as to form a new groove-welding portion (213)) the inner side of the lower mirror (66) so as to fix the new in-core instrument tube (204A).

    摘要翻译： 通过在喷嘴修复方法和核反应堆容器中容易进行修理操作，可以提高加工性和耐应力腐蚀性。 所述修复方法包括：相对于槽焊接部分（206）中的核心内仪表管（204）去除第一连接部分（（棘手部分）208）; 从下反射镜（66）移除核心内仪器管（204）; 在凹槽焊接部分（206）中相对于下反射镜（66）留下并切割第二连接部分（（存在的焊接部分）211）; 将新的核心仪器管（204A）插入连接孔（203）中; 以及下反射镜（66）的内侧的沟槽焊接（以形成新的槽焊接部分（213）），以固定新的核心仪表管（204A）。

    Method of pre-evaluating water jet peening, recording medium having program recorded thereon to execute the method, device for executing the method, and water jet peening method
    7.
    发明授权
    Method of pre-evaluating water jet peening, recording medium having program recorded thereon to execute the method, device for executing the method, and water jet peening method 有权
    预喷射喷丸硬化的方法，其上记录有程序的记录介质执行方法，执行该方法的装置和喷水喷丸法

    公开(公告)号：US09573246B2

    公开(公告)日：2017-02-21

    申请号：US14540107

    申请日：2014-11-13

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Takaharu Maeguchi ,  Takahiro Ota ,  Tomoshige Takata ,  Hideki Madokoro ,  Hiroshi Kanasaki ,  Nobuyuki Hori

    IPC分类号： B24C1/10 ,  G06F17/50 ,  C21D7/06 ,  C21D11/00

    CPC分类号： B24C1/10 ,  C21D7/06 ,  C21D11/00 ,  G06F17/5009 ,  G06F17/5018 ,  G06F2217/16

    摘要： A condition setting process of determining peening conditions for water jet peening on a peening target object, an analysis process of analyzing a jet when a liquid is jetted from a nozzle model to a peening target object model and obtaining a void rate that is a volume rate of air bubbles contained in a unit volume of the liquid and a collapse rate that is a volume of the air bubbles collapsing in a unit time in the unit volume of the liquid in each position on a surface of the peening target object model, a shock pressure correlation value calculation process of obtaining a shock pressure correlation value that is a product of the void rate and the collapse rate in each position, and a range calculation process of obtaining an effective processing range in which the shock pressure correlation value on the surface of the peening target object model is greater than a predetermined value, based on the shock pressure correlation value in each position.

    摘要翻译： 确定喷丸喷丸处理喷丸硬化处理条件的条件设定过程，将喷嘴模型喷射到喷丸靶对象模型时进行喷射分析，得到作为体积率的空隙率 在单位体积的液体中包含的气泡的气泡和以单位时间内的单位体积的液泡的体积的崩溃率在喷丸靶对象模型的表面上的每个位置的液体的单位体积中， 获得作为每个位置的空隙率和崩溃率的乘积的冲击压力相关值的压力相关值计算处理以及获得表面上的冲击压力相关值的有效处理范围的范围计算处理 基于每个位置的冲击压力相关值，喷丸目标物体模型大于预定值。

    METHOD OF PRE-EVALUATING WATER JET PEENING, RECORDING MEDIUM HAVING PROGRAM RECORDED THEREON TO EXECUTE THE METHOD, DEVICE FOR EXECUTING THE METHOD, AND WATER JET PEENING METHOD
    8.
    发明申请
    METHOD OF PRE-EVALUATING WATER JET PEENING, RECORDING MEDIUM HAVING PROGRAM RECORDED THEREON TO EXECUTE THE METHOD, DEVICE FOR EXECUTING THE METHOD, AND WATER JET PEENING METHOD 有权
    预先评估水喷射的方法，记录其执行方法的程序的记录介质，用于执行方法的装置和水喷射方法

    公开(公告)号：US20150151405A1

    公开(公告)日：2015-06-04

    申请号：US14540107

    申请日：2014-11-13

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Takaharu Maeguchi ,  Takahiro Ota ,  Tomoshige Takata ,  Hideki Madokoro ,  Hiroshi Kanasaki ,  Nobuyuki Hori

    IPC分类号： B24C1/10 ,  G06F17/50

    CPC分类号： B24C1/10 ,  C21D7/06 ,  C21D11/00 ,  G06F17/5009 ,  G06F17/5018 ,  G06F2217/16

    摘要： A condition setting process of determining peening conditions for water jet peening on a peening target object, an analysis process of analyzing a jet when a liquid is jetted from a nozzle model to a peening target object model and obtaining a void rate that is a volume rate of air bubbles contained in a unit volume of the liquid and a collapse rate that is a volume of the air bubbles collapsing in a unit time in the unit volume of the liquid in each position on a surface of the peening target object model, a shock pressure correlation value calculation process of obtaining a shock pressure correlation value that is a product of the void rate and the collapse rate in each position, and a range calculation process of obtaining an effective processing range in which the shock pressure correlation value on the surface of the peening target object model is greater than a predetermined value, based on the shock pressure correlation value in each position.

    摘要翻译： 确定喷丸喷丸处理喷丸硬化处理条件的条件设定过程，将喷嘴模型喷射到喷丸靶对象模型时进行喷射分析，得到作为体积率的空隙率 在单位体积的液体中包含的气泡的气泡和以单位时间内的单位体积的液泡的体积的崩溃率在喷丸靶对象模型的表面上的每个位置的液体的单位体积中， 获得作为每个位置的空隙率和崩溃率的乘积的冲击压力相关值的压力相关值计算处理以及获得表面上的冲击压力相关值的有效处理范围的范围计算处理 基于每个位置的冲击压力相关值，喷丸目标物体模型大于预定值。

    NOZZLE REPAIRING METHOD AND NUCLEAR REACTOR VESSEL
    9.
    发明申请
    NOZZLE REPAIRING METHOD AND NUCLEAR REACTOR VESSEL 有权
    喷嘴修复方法和核反应堆船

    公开(公告)号：US20140064431A1

    公开(公告)日：2014-03-06

    申请号：US13853610

    申请日：2013-03-29

    申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

    发明人： Takeshi Yamamoto ,  Tomochika Hamamoto ,  Nobuyuki Hori ,  Tsuyoshi Nishimura ,  Hideshi Sakashita

    IPC分类号： B23P6/04 ,  G21C5/00

    CPC分类号： B23P6/04 ,  G21C5/00 ,  G21C13/02 ,  G21C13/036 ,  G21C17/017 ,  G21C19/207 ,  Y02E30/40 ,  Y10T29/49734 ,  Y10T29/49737

    摘要： It is possible to improve the workability and the stress corrosion resistance by easily performing a repairing operation in a nozzle repairing method and a nuclear reactor vessel. The repairing method includes: removing a first connection portion ((trepanned portion) 208) with respect to an in-core instrument tube (204) in a groove-welding portion (206); removing the in-core instrument tube (204) from a lower mirror (66); leaving and grooving a second connection portion ((existing welding portion) 211) with respect to the lower mirror (66) in the groove-welding portion (206); inserting a new in-core instrument tube (204A) into an attachment hole (203); and groove-welding (so as to form a new groove-welding portion (213)) the inner side of the lower mirror (66) so as to fix the new in-core instrument tube (204A).

    摘要翻译： 通过在喷嘴修复方法和核反应堆容器中容易进行修理操作，可以提高加工性和耐应力腐蚀性。 所述修复方法包括：相对于槽焊接部分（206）中的核心内仪表管（204）去除第一连接部分（（棘手部分）208）; 从下反射镜（66）移除核心内仪器管（204）; 在凹槽焊接部分（206）中相对于下反射镜（66）留下并切割第二连接部分（（存在的焊接部分）211）; 将新的核心仪器管（204A）插入连接孔（203）中; 以及下反射镜（66）的内侧的沟槽焊接（以形成新的槽焊接部分（213）），以固定新的核心仪表管（204A）。