利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

45 条记录 (耗时 0.032 秒)

    Method for producing low thermal expansion Ni-base superalloy
    1.
    发明授权
    Method for producing low thermal expansion Ni-base superalloy 有权
    生产低热膨胀Ni基超级合金的方法

    公开(公告)号：US08083874B2

    公开(公告)日：2011-12-27

    申请号：US11115159

    申请日：2005-04-27

    申请人： Shigeki Ueta ,  Toshiharu Noda ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Ryotaro Magoshi ,  Shin Nishimoto

    发明人： Shigeki Ueta ,  Toshiharu Noda ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Ryotaro Magoshi ,  Shin Nishimoto

    IPC分类号： C22F1/10 ,  C22C19/05

    CPC分类号： C22C19/056 ,  C22C19/03 ,  C22C19/057 ,  C22C19/058 ,  C22F1/10

    摘要： A method for producing a low thermal expansion Ni-base superalloy including the steps of subjecting the alloy to a solution heat treatment under the condition of at a temperature of 1000 to 1200° C. and subjecting the alloy to either a carbide stabilizing treatment for making aggregated carbides on grain boundaries and stabilizing the carbides under the conditions of at a temperature of not less than 850° C. and less than 1000° C. and for 1 to 50 hours, or a carbide stabilizing treatment for making aggregated carbides on grain boundaries and stabilizing the carbides by cooling from the temperature in the solution heat treatment to 850° C. at a cooling rate of 100° C. or less per hour. The method also including the steps of subjecting the alloy to a first aging treatment for precipitating y′ phase under the conditions of at a temperature of 720 to 900° C. and for 1 to 50 hours, and subjecting the alloy to a second aging treatment for precipitating A2B phase under the conditions of at a temperature of 550 to 700° C. and for 5 to 100 hours.

    摘要翻译： 一种生产低热膨胀Ni基超合金的方法，包括以下步骤：在1000-1200℃的温度下对合金进行固溶热处理，并对合金进行碳化物稳定化处理 在不低于850℃，小于1000℃的温度和1〜50小时的条件下，在晶界上凝集的碳化物并使碳化物稳定，或者在晶界上形成碳化碳的碳化物稳定化处理 并且通过从固溶热处理中的温度冷却至850℃，以每小时100℃或更低的冷却速度来稳定碳化物。 该方法还包括以下步骤：在720至900℃的温度和1至50小时的条件下对合金进行第一时效处理以沉淀y相，并对合金进行第二时效处理 用于在550-700℃的温度和5-100小时的条件下沉淀A2B相。

    Method for producing low thermal expansion Ni-base superalloy
    2.
    发明申请
    Method for producing low thermal expansion Ni-base superalloy 有权
    生产低热膨胀Ni基超级合金的方法

    公开(公告)号：US20050236079A1

    公开(公告)日：2005-10-27

    申请号：US11115159

    申请日：2005-04-27

    申请人： Shigeki Ueta ,  Toshiharu Noda ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Ryotaro Magoshi ,  Shin Nishimoto

    发明人： Shigeki Ueta ,  Toshiharu Noda ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Ryotaro Magoshi ,  Shin Nishimoto

    IPC分类号： C22C19/03 ,  C22C19/05 ,  C22F1/00 ,  C22F1/10

    CPC分类号： C22C19/056 ,  C22C19/03 ,  C22C19/057 ,  C22C19/058 ,  C22F1/10

    摘要： The present invention provides a method for producing a low thermal expansion Ni-base superalloy, which includes: preparing an alloy including, by weight %, C: 0.15% or less, Si: 1% or less, Mn: 1% or less, Cr: 5 to 20%, at least one of Mo, W and Re, which satisfy the relationship Mo+½(W+Re): 17 to 27%, Al: 0.1 to 2%, Ti: 0.1 to 2%, Nb and Ta, which satisfy the relationship Nb+Ta/2: 1.5% or less, Fe: 10% or less, Co: 5% or less, B: 0.001 to 0.02%, Zr: 0.001 to 0.2%, a reminder of Ni and inevitable components; subjecting the alloy to a solution heat treatment under the condition of at a temperature of 1000 to 1200° C.; subjecting the alloy to either a carbide stabilizing treatment for making aggregated carbides on grain boundaries and stabilizing the carbides under the conditions of at a temperature of not less than 850° C. and less than 1000° C. and for 1 to 50 hours, or a carbide stabilizing treatment for making aggregated carbides on grain boundaries and stabilizing the carbides by cooling from the temperature in the solution heat treatment to 850° C. at a cooling rate of 100° C. or less per hour; subjecting the alloy to a first aging treatment for precipitating γ′ phase under the conditions of at a temperature of 720 to 900° C. and for 1 to 50 hours; and subjecting the alloy to a second aging treatment for precipitating A2B phase under the conditions of at a temperature of 550 to 700° C. and for 5 to 100 hours.

    摘要翻译： 本发明提供一种低热膨胀型Ni基超合金的制造方法，其特征在于，包括：以重量％计含有C：0.15％以下，Si：1％以下，Mn：1％以下的合金， Cr：5〜20％，满足Mo +½（W + Re）：17〜27％，Al：0.1〜2％，Ti：0.1〜2％的Mo，W和Re中的至少一种，Nb 和Ta，其满足Nb + Ta / 2：1.5％以下的关系，Fe：10％以下，Co：5％以下，B：0.001〜0.02％，Zr：0.001〜0.2％，提示Ni 和不可避免的组成部分; 在1000〜1200℃的温度下对合金进行固溶热处理; 使合金进行碳化物稳定化处理，在晶界上形成凝集碳化物，并在不低于850℃且小于1000℃的温度和1至50小时的条件下稳定碳化物，或 碳化物稳定化处理，用于通过从固溶热处理中的温度冷却至850℃，以每小时100℃或更低的冷却速度使晶界上的聚集碳化物稳定化; 在720〜900℃的温度和1〜50小时的条件下对合金进行第一时效处理以使γ相析出; 并在550-700℃的温度和5〜100小时的条件下对该合金进行第二时效处理以沉淀A 2 B相。

    Low thermal expansion Ni-base superalloy
    3.
    发明申请
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基超合金

    公开(公告)号：US20070284018A1

    公开(公告)日：2007-12-13

    申请号：US11808614

    申请日：2007-06-12

    申请人： Shuji Hamano ,  Shigeki Ueta ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Takashi Nakano ,  Shin Nishimoto

    发明人： Shuji Hamano ,  Shigeki Ueta ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Takashi Nakano ,  Shin Nishimoto

    IPC分类号： C22C19/05

    CPC分类号： C22C19/056 ,  C22C19/055

    摘要： The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo+½(W+Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb+½Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译： 本发明涉及以质量％计含有C：0.15％以下的低热膨胀性Ni基超合金。 Si：1％以下; Mn：1％以下; Cr：5％以上但小于20％; Mo，W和Re中的至少一种，其中Mo + 1/2（W + Re）为5％以上但小于20％; W：10％以下; Al：0.1〜2.5％ Ti：0.10〜0.95％ Nb +½Ta：1.5％以下; B：0.001〜0.02％; Zr：0.001〜0.2％ Fe：4.0％以下; 余量为不可避免的杂质和Ni，其中Al，Ti，Nb和Ta的总量按原子％计为2.0〜6.5％。 本发明的低热膨胀性Ni基超合金的热膨胀系数几乎与12Cr铁素体钢的热膨胀系数相当，耐高温性优异，耐腐蚀性，耐氧化性优异，热加工性良好，焊接性优异。

    Low thermal expansion Ni-base superalloy
    4.
    发明授权
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基超合金

    公开(公告)号：US08491838B2

    公开(公告)日：2013-07-23

    申请号：US11808614

    申请日：2007-06-12

    申请人： Shuji Hamano ,  Shigeki Ueta ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Takashi Nakano ,  Shin Nishimoto

    发明人： Shuji Hamano ,  Shigeki Ueta ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Takashi Nakano ,  Shin Nishimoto

    IPC分类号： C22C19/05

    CPC分类号： C22C19/056 ,  C22C19/055

    摘要： The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo+½(W+Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb+½Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译： 本发明涉及以质量％计含有C：0.15％以下的低热膨胀性Ni基超合金。 Si：1％以下; Mn：1％以下; Cr：5％以上但小于20％; Mo，W和Re中的至少一种，其中Mo + 1/2（W + Re）为5％以上但小于20％; W：10％以下; Al：0.1〜2.5％ Ti：0.10〜0.95％ Nb +½Ta：1.5％以下; B：0.001〜0.02％; Zr：0.001〜0.2％ Fe：4.0％以下; 余量为不可避免的杂质和Ni，其中Al，Ti，Nb和Ta的总量按原子％计为2.0〜6.5％。 本发明的低热膨胀性Ni基超合金的热膨胀系数几乎与12Cr铁素体钢的热膨胀系数相当，耐高温性优异，耐腐蚀性，耐氧化性优异，热加工性良好，焊接性优异。

    STEAM TURBINE FACILITY
    10.
    发明申请
    STEAM TURBINE FACILITY 审中-公开
    蒸汽涡轮机设施

    公开(公告)号：US20110030374A1

    公开(公告)日：2011-02-10

    申请号：US12674073

    申请日：2009-07-30

    申请人： Shin Nishimoto ,  Yoshinori Tanaka ,  Tatsuaki Fujikawa ,  Ryuichi Yamamoto

    发明人： Shin Nishimoto ,  Yoshinori Tanaka ,  Tatsuaki Fujikawa ,  Ryuichi Yamamoto

    IPC分类号： F01K23/16

    CPC分类号： F01D5/063 ,  F01D13/003 ,  F01D13/02 ,  F01D25/24 ,  F01K7/22 ,  F05C2201/0466 ,  F05D2220/31

    摘要： Provided is a steam turbine facility capable of suppressing the possibility of vibration occurrence and a drastic increase in facility cost, thereby realizing an increase in size of the facility, even if steam conditions of 650° C. or higher are adopted. In a steam turbine facility including a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine, the high-pressure turbine is separated into a first high-pressure turbine part on a high-temperature and high-pressure side and a second high-pressure turbine part on a low-temperature and low-pressure side, the intermediate-pressure turbine is separated into a first intermediate-pressure turbine part on the high-temperature and high-pressure side and a second intermediate-pressure turbine part on the low-temperature and low-temperature side, the first high-pressure turbine part and the first intermediate-pressure turbine part are integrated to form a first integrated part, the second high-pressure turbine part and the second intermediate-pressure turbine part are integrated to form a second integrated part, at least any one of the rotors and casings of the turbines into which steam with a temperature of 650° C. or higher is introduced are constructed by joining together a plurality of members formed from Ni-based alloy through welding as a whole.

    摘要翻译： 提供一种能够抑制振动发生的可能性和设备成本急剧增加的汽轮机设备，即使采用650℃以上的蒸汽条件，也能够实现设备尺寸的增加。 在包括高压涡轮机，中压涡轮机和低压涡轮机的蒸汽轮机设备中，高压涡轮机被分离成高温高压侧的第一高压涡轮机部件 以及低温低压侧的第二高压涡轮机部，将中压涡轮机分离成高温侧和高压侧的第一中压涡轮部，第二中压 涡轮机部分在低温低温侧，第一高压涡轮机部分和第一中压涡轮部分被一体化以形成第一集成部分，第二高压涡轮部分和第二中压 涡轮部分被一体化以形成第二集成部件，引入涡轮的转子和壳体中的至少任一个，其中引入了650℃或更高的温度的蒸汽，通过连接 通过焊接整体由Ni基合金形成的多个部件组合在一起。