公开(公告)号：US08883072B2

公开(公告)日：2014-11-11

申请号：US12551884

申请日：2009-09-01

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C21D1/18 ,  F01D5/06 ,  B23K35/30 ,  C22F1/10 ,  B23K35/00 ,  C22C19/05 ,  C22C38/00 ,  C22C30/00

CPC分类号： C22C19/055 ,  B23K35/004 ,  B23K35/304 ,  B23K2101/001 ,  C22C19/056 ,  C22F1/10 ,  F01D5/063 ,  Y02T50/671

摘要： The present invention provides, in a γ′ phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel.A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.A welded turbine rotor is structured by joining or building up by welding a second Ni-base alloy to a first Ni-base alloy that a γ′ phase solid solution temperature thereof is 900° C. or higher and a creep fracture strength at 675° C. is 100 MPa or more, and further welding a ferritic steel to the second Ni-base alloy. The second Ni-base alloy is a γ′ phase (Ni3Al) precipitation strengthening type Ni-base alloy, a γ′ phase solid solution temperature thereof is 850° C. or lower.

摘要翻译： 本发明在γ-相析出强化型Ni基合金中提供了热处理能力和焊接性优异的合金，适用于与铁素体钢接合的合金。 此外，本发明提供了一种在整个焊接结构中具有强度，延展性和韧性的焊接式涡轮转子，当耐热温度为675℃以上的析出强化型Ni基合金与铁素体钢 。 根据本发明的镍基合金包含钴，铬，铝，碳，硼，以及至少钨或钼，其余为镍和不可避免的杂质，其合金组成包含12〜25质量％的Co ，10〜18质量％的Cr，2.0〜3.6质量％的Al，0.01〜0.15质量％的C，0.001〜0.03质量％的B，钨和钼的总量为5.0〜10质量％ 质量 焊接的涡轮转子通过将第二Ni基合金焊接到γ'相固相温度为900℃以上的第一Ni基合金和675°的蠕变断裂强度下， C为100MPa以上，进一步将铁素体钢焊接到第二Ni基合金。 第二Ni基合金是γ'相（Ni3Al）析出强化型Ni基合金，γ'相固溶温度为850℃以下。

公开(公告)号：US08524149B2

公开(公告)日：2013-09-03

申请号：US12728292

申请日：2010-03-22

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C22C19/05 ,  C22C30/00

CPC分类号： C22C19/055

摘要： A nickel base alloy includes: by mass, 0.001 to 0.1% of carbon; 12 to 23% of chromium; 15 to 25% of cobalt; 3.5 to 5.0% of aluminum; 4 to 12% of molybdenum; 0.1 to 7.0% of tungsten; and a total amount of Ti, Ta and Nb being not more than 0.5%. A parameter Ps represented by a formula (1) shown below is 0.6 to 1.6, Ps=−7×[C]−0.1×[Mo]+0.5×[Al]  (1) where [C] indicates an amount of carbon; [Mo] indicates an amount of molybdenum; and [Al] indicates an amount of aluminum, by mass percent.

摘要翻译： 镍基合金包括：质量计，0.001〜0.1％的碳; 12〜23％的铬; 15〜25％的钴; 3.5〜5.0％的铝; 4〜12％的钼; 0.1〜7.0％的钨; Ti，Ta和Nb的总量不大于0.5％。 由下式（1）表示的参数Ps为0.6〜1.6，Ps = -7×[C] -0.1×[Mo] + 0.5×[Al]（1）其中，[C]表示碳数; [Mo]表示钼的量; 和[Al]表示铝的质量％。

公开(公告)号：US20100059146A1

公开(公告)日：2010-03-11

申请号：US12551884

申请日：2009-09-01

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C21D1/18 ,  C22C19/05 ,  C22C38/00 ,  C22C30/00

CPC分类号： C22C19/055 ,  B23K35/004 ,  B23K35/304 ,  B23K2101/001 ,  C22C19/056 ,  C22F1/10 ,  F01D5/063 ,  Y02T50/671

摘要： The present invention provides, in a γ′ phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel.A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.A welded turbine rotor is structured by joining or building up by welding a second Ni-base alloy to a first Ni-base alloy that a γ′ phase solid solution temperature thereof is 900° C. or higher and a creep fracture strength at 675° C. is 100 MPa or more, and further welding a ferritic steel to the second Ni-base alloy. The second Ni-base alloy is a γ′ phase (Ni3Al) precipitation strengthening type Ni-base alloy, a γ′ phase solid solution temperature thereof is 850° C. or lower.

摘要翻译： 本发明在γ-相析出强化型Ni基合金中提供了热处理能力和焊接性优异的合金，适用于与铁素体钢接合的合金。 此外，本发明提供了一种在整个焊接结构中具有强度，延展性和韧性的焊接式涡轮转子，当耐热温度为675℃以上的析出强化型Ni基合金与铁素体钢 。 根据本发明的镍基合金包含钴，铬，铝，碳，硼，以及至少钨或钼，其余为镍和不可避免的杂质，其合金组成包含12〜25质量％的Co ，10〜18质量％的Cr，2.0〜3.6质量％的Al，0.01〜0.15质量％的C，0.001〜0.03质量％的B，钨和钼的总量为5.0〜10质量％ 质量 焊接的涡轮转子通过将第二Ni基合金焊接到γ'相固相温度为900℃以上的第一Ni基合金和675°的蠕变断裂强度下， C为100MPa以上，进一步将铁素体钢焊接到第二Ni基合金。 第二Ni基合金是γ'相（Ni3Al）析出强化型Ni基合金，γ'相固溶温度为850℃以下。

公开(公告)号：US20120141293A1

公开(公告)日：2012-06-07

申请号：US13286274

申请日：2011-11-01

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： F01D5/00 ,  C22C19/05

CPC分类号： F01D5/28 ,  C22C19/05 ,  C22C19/056 ,  C22F1/10 ,  F01D5/30 ,  Y02E20/16

摘要： A Ni-based heat resistant alloy has a composition of, by mass percent, carbon: 0.001 to 0.1%, chromium: 16 to 22%, aluminum: 0.5 to 1.5%, molybdenum: 0.1 to 2.0%, tungsten: 0.1 to 6.0%, niobium: 3.5 to 5.5%, titanium: 0.8 to 3.0%, iron: 16 to 20%, and the balance being nickel and inevitable impurities. A parameter Ps indicating a segregation tendency is in a range of Ps≧−3.5. The parameter Ps is represented by Formula (1). Ps=1.05×Al content+0.6×Ti content−0.8×Nb content−0.3×Mo content  (1)

摘要翻译： Ni系耐热合金的碳质量比为0.001〜0.1％，铬：16〜22％，铝：0.5〜1.5％，钼：0.1〜2.0％，钨：0.1〜6.0％ ，铌：3.5〜5.5％，钛：0.8〜3.0％，铁：16〜20％，余量为镍和不可避免的杂质。 表示偏析倾向的参数Ps在Ps≥-3.5的范围内。 参数Ps由公式（1）表示。 Ps = 1.05×Al含量+ 0.6×Ti含量-0.8×Nb含量-0.3×Mo含量（1）

公开(公告)号：US08956471B2

公开(公告)日：2015-02-17

申请号：US12253262

申请日：2008-10-17

申请人： Shinya Imano ,  Hiroyuki Doi ,  Jun Sato

发明人： Shinya Imano ,  Hiroyuki Doi ,  Jun Sato

IPC分类号： C22C19/05

CPC分类号： C22C19/055 ,  C22C19/056 ,  C22F1/10 ,  F01D5/063 ,  F05C2201/0466 ,  F05C2251/04 ,  F05C2253/24

摘要： A nickel (Ni) based alloy for forging includes: 0.001 to 0.1 wt. % of carbon (C); 12 to 23 wt. % of chromium (Cr); 3.5 to 5.0 wt. % of aluminum (Al); 5 to 12 combined wt. % of tungsten (W) and molybdenum (Mo) in which the Mo content is 5 wt. % or less; a negligible small amount of titanium (Ti), tantalate (Ta) and niobium (Nb); and the balance of Ni and inevitable impurities.

摘要翻译： 用于锻造的镍（Ni）基合金包括：0.001至0.1wt。 ％的碳（C）; 12〜23wt。 ％铬（Cr）; 3.5〜5.0重量％ ％的铝（Al）; 5〜12组合重量 ％的钨（W）和钼（Mo），其中Mo含量为5重量％。 ％ 或更少; 少量钛（Ti），钽酸盐（Ta）和铌（Nb）可忽略不计; 和Ni和不可避免的杂质的平衡。

公开(公告)号：US08685316B2

公开(公告)日：2014-04-01

申请号：US13286274

申请日：2011-11-01

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C22C19/05 ,  F01D5/00

CPC分类号： F01D5/28 ,  C22C19/05 ,  C22C19/056 ,  C22F1/10 ,  F01D5/30 ,  Y02E20/16

摘要： A Ni-based heat resistant alloy has a composition of, by mass percent, carbon: 0.001 to 0.1%, chromium: 16 to 22%, aluminum: 0.5 to 1.5%, molybdenum: 0.1 to 2.0%, tungsten: 0.1 to 6.0%, niobium: 3.5 to 5.5%, titanium: 0.8 to 3.0%, iron: 16 to 20%, and the balance being nickel and inevitable impurities. A parameter Ps indicating a segregation tendency is in a range of Ps≧−3.5. The parameter Ps is represented by Formula (1). Ps=1.05×Al content+0.6×Ti content−0.8×Nb content−0.3×Mo content  (1)

摘要翻译： Ni系耐热合金的碳质量比为0.001〜0.1％，铬：16〜22％，铝：0.5〜1.5％，钼：0.1〜2.0％，钨：0.1〜6.0％ ，铌：3.5〜5.5％，钛：0.8〜3.0％，铁：16〜20％，余量为镍和不可避免的杂质。 表示偏析倾向的参数Ps在Ps≥-3.5的范围内。 参数Ps由公式（1）表示。 Ps = 1.05×Al含量+ 0.6×Ti含量-0.8×Nb含量-0.3×Mo含量（1）

公开(公告)号：US20110192501A1

公开(公告)日：2011-08-11

申请号：US13019666

申请日：2011-02-02

申请人： Shinya IMANO ,  Hiroyuki Doi ,  Jun Sato

发明人： Shinya IMANO ,  Hiroyuki Doi ,  Jun Sato

IPC分类号： C22C19/05

CPC分类号： C22C19/055 ,  C22C19/056

摘要： It is an object of the present invention to provide an Ni based alloy for forging having high forging-related characteristics with a wide temperature range for high-temperature forging and high upper forging temperature limit.An Ni based alloy for forging, containing Cr at 12 to 20%, Al at 3.5 to 5%, Co at 15 to 23%, W at 5 to 12%, C at 0.001 to 0.05%, and Nb, Ti and Ta at a total content of 0.5 to 1.0%, all percentages by mass, and a steam turbine plant component using the same.

摘要翻译： 本发明的目的是提供一种用于高温锻造的宽温度范围和高锻造温度上限的锻造相关特性高的锻造用镍基合金。 用于锻造的Ni基合金，其含有12〜20％的Cr，3.5〜5％的Al，15〜23％的Co，5〜12％的W，0.001〜0.05％的C，Nb，Ti，Ta 总含量为0.5〜1.0％，全部为质量百分比，以及使用其的汽轮机组件。

公开(公告)号：US20090104040A1

公开(公告)日：2009-04-23

申请号：US12253262

申请日：2008-10-17

申请人： Shinya IMANO ,  Hiroyuki Doi ,  Jun Sato

发明人： Shinya IMANO ,  Hiroyuki Doi ,  Jun Sato

IPC分类号： F01D5/28 ,  C22C19/05

CPC分类号： C22C19/055 ,  C22C19/056 ,  C22F1/10 ,  F01D5/063 ,  F05C2201/0466 ,  F05C2251/04 ,  F05C2253/24

摘要： A nickel (Ni) based alloy for forging includes: 0.001 to 0.1 wt. % of carbon (C); 12 to 23 wt. % of chromium (Cr); 3.5 to 5.0 wt. % of aluminum (Al); 5 to 12 combined wt. % of tungsten (W) and molybdenum (Mo) in which the Mo content is 5 wt. % or less; a negligible small amount of titanium (Ti), tantalate (Ta) and niobium (Nb); and the balance of Ni and inevitable impurities.

摘要翻译： 用于锻造的镍（Ni）基合金包括：0.001至0.1wt。 ％的碳（C）; 12〜23wt。 ％铬（Cr）; 3.5〜5.0重量％ ％的铝（Al）; 5〜12组合重量 ％的钨（W）和钼（Mo），其中Mo含量为5重量％。 ％ 或更少; 少量钛（Ti），钽酸盐（Ta）和铌（Nb）可忽略不计; 和Ni和不可避免的杂质的平衡。

公开(公告)号：US20110058978A1

公开(公告)日：2011-03-10

申请号：US12728292

申请日：2010-03-22

申请人： Jun SATO ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun SATO ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C22C19/05 ,  C22C30/00

CPC分类号： C22C19/055

摘要： A nickel base alloy includes: by mass, 0.001 to 0.1% of carbon; 12 to 23% of chromium; 15 to 25% of cobalt; 3.5 to 5.0% of aluminum; 4 to 12% of molybdenum; 0.1 to 7.0% of tungsten; and a total amount of Ti, Ta and Nb being not more than 0.5%. A parameter Ps represented by a formula (1) shown below is 0.6 to 1.6, Ps=−7×[C]−0.1×[Mo]+0.5×[Al]  (1) where [C] indicates an amount of carbon; [Mo] indicates an amount of molybdenum; and [Al] indicates an amount of aluminum, by mass percent.

摘要翻译： 镍基合金包括：质量计，0.001〜0.1％的碳; 12〜23％的铬; 15〜25％的钴; 3.5〜5.0％的铝; 4〜12％的钼; 0.1-7.0％的钨; Ti，Ta和Nb的总量不大于0.5％。 由下式（1）表示的参数Ps为0.6〜1.6，Ps = -7×[C] -0.1×[Mo] + 0.5×[Al]（1）其中，[C]表示碳数; [Mo]表示钼的量; 和[Al]表示铝的质量％。

公开(公告)号：US20110058977A1

公开(公告)日：2011-03-10

申请号：US12870432

申请日：2010-08-27

申请人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

发明人： Jun Sato ,  Shinya Imano ,  Hiroyuki Doi

IPC分类号： C22C19/05

CPC分类号： C22C19/051 ,  C22C19/055 ,  C22C19/056 ,  C22F1/10

摘要： A Ni based cast alloy consisting essentially of C: 0.01 to 0.2% by weight, Si: 0.5 to 4.0% by weight, Cr: 14 to 22% by weight, Mo+W: 4.0 to 10% by weight, B: 0.001 to 0.02% by weight, Co: up to 10% by weight, Al: up to 0.5% by weight, Ti: up to 0.5% by weight, Nb: up to 5.0% by weight, Fe: up to 10% by weight, the balance being Ni and incidental impurities, wherein a γ′ phase precipitates in a matrix phase thereof.

摘要翻译： 一种Ni基铸造合金，主要由C：0.01〜0.2重量％，Si：0.5〜4.0重量％，Cr：14〜22重量％，Mo + W：4.0〜10重量％，B：0.001〜 0.02重量％，Co：高达10重量％，Al：至多0.5重量％，Ti：至多0.5重量％，Nb：至多5.0重量％，Fe：至多10重量％ 余量为Ni和偶然杂质，其中γ'相在其基体相中析出。