公开(公告)号：US5244513A

公开(公告)日：1993-09-14

申请号：US858553

申请日：1992-03-27

申请人： Yoshikuni Kadoya ,  Toshio Yonezawa ,  Naotake Ito ,  Toru Inazumi ,  Yutaka Moriya ,  Haruo Suzuki ,  Katsumi Masamura ,  Takemi Yamada

发明人： Yoshikuni Kadoya ,  Toshio Yonezawa ,  Naotake Ito ,  Toru Inazumi ,  Yutaka Moriya ,  Haruo Suzuki ,  Katsumi Masamura ,  Takemi Yamada

IPC分类号： C22C38/34 ,  C22C38/40

CPC分类号： C22C38/40 ,  C22C38/34

摘要： Ferrous group shape memory alloys consisting essentially of Cr: 16.0-21.0 wt %, Si: 3.0-7.0 wt % and Ni: 11.0-21.0 wt % and satisfying Ni wt %.gtoreq.[0.67.times.{Cr+1.2.times.(Si+Ti+Zr+Hf+V+Nb+Ta)}-] wt % and (Cr+Si) wt %.gtoreq.20 wt %, these ferrous-group shape-memory alloys having a corrosion resistance, a shape-memorizing properties, an intergranular corrosion resistance and a stress corrosion cracking resistance in nitric acid for nuclear fuel reprocessing plants and high-temperature, high-pressure water for light-water reactors.

公开(公告)号：US5944922A

公开(公告)日：1999-08-31

申请号：US40826

申请日：1998-03-18

申请人： Yoshikuni Kadoya ,  Hisataka Kawai ,  Koji Takahashi ,  Ryotarou Magoshi

发明人： Yoshikuni Kadoya ,  Hisataka Kawai ,  Koji Takahashi ,  Ryotarou Magoshi

IPC分类号： C21D6/00 ,  C22C38/00 ,  C22C38/52 ,  C22C38/54 ,  F01D5/28 ,  C22C38/44 ,  C22C38/46

CPC分类号： C22C38/52 ,  C21D6/004 ,  C22C38/001 ,  C22C38/54 ,  F01D5/28 ,  Y02T50/672

摘要： The present invention discloses ferritic heat resisting steels for manufacturing a rotor or a disk of a gas turbine, which have high creep rupture strength at high temperatures and excellent tenacity at room ordinary temperatures. The highly tenacious ferritic heat resisting steels contain, by weight, carbon of 0.08 to 0.25%, silicon of 0.5% or lower, manganese of 1.0% or lower, nickel exceeding 1.0% and lower than 3.0%, chromium of 9.0 to 12.5%, molybdenum exceeding 0.3% and lower than 1.5%, tungsten of 1.0 to 3.0%, vanadium of 0.10 to 0.35%, niobium of 0.02 to 0.10%, nitrogen of 0.01 to 0.80%, boron of 0.001 to 0.01% and cobalt of 1.0 to 5.0%, and a remaining part is mostly iron. Its structure is composed of a tempered martensite matrix.

摘要翻译： 本发明公开了一种用于制造燃气轮机的转子或盘的铁素体耐热钢，其在高温下具有高的蠕变断裂强度和在常温下具有优异的韧性。 高度顽固的铁素体耐热钢含有0.08-0.25％的碳，0.5％以下的硅，1.0％以下的锰，超过1.0％且低于3.0％的镍，9.0〜12.5％的铬， 钼超过0.3％且低于1.5％，钨为1.0〜3.0％，钒为0.10〜0.35％，铌为0.02〜0.10％，氮为0.01〜0.80％，硼为0.001〜0.01％，钴为1.0〜5.0 ％，剩下的部分大部分是铁。 其结构由回火马氏体组成。

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。

公开(公告)号：US20100310411A1

公开(公告)日：2010-12-09

申请号：US12867668

申请日：2009-02-13

申请人： Satoru Ohsaki ,  Tatsuya Takahashi ,  Koji Kajikawa ,  Eiji Maeda ,  Yoshikuni Kadoya ,  Ryuichi Yamamoto ,  Takashi Nakano

发明人： Satoru Ohsaki ,  Tatsuya Takahashi ,  Koji Kajikawa ,  Eiji Maeda ,  Yoshikuni Kadoya ,  Ryuichi Yamamoto ,  Takashi Nakano

IPC分类号： C22C19/05 ,  C22C30/00

CPC分类号： C22F1/10 ,  B22D7/005 ,  C22B9/006 ,  C22C19/055 ,  C22C19/056 ,  C22C19/057

摘要： A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy.The invention relates to a Ni-based superalloy having excellent unsusceptibility to segregation, characterized by comprising: 0.005 to 0.15 mass % of C; 8 to 22 mass % of Cr; 5 to 30 mass % of Co; equal to or greater than 1 and less than 9 mass % of Mo; 5 to 21 mass % of W; 0.1 to 2.0 mass % of Al; 0.3 to 2.5 mass % of Ti; up to 0.015 mass % of B; and up to 0.01 mass % of Mg, with the remainder comprising Ni and unavoidable impurities.

摘要翻译： 本发明的主题是减少在制造包含Ni基超级合金的材料时的条纹型偏析的发生。 本发明涉及具有优异的偏析性不良的Ni基超级合金，其特征在于包括：C：0.005〜0.15质量％ 8〜22质量％的Cr; Co：5〜30质量％ 等于或大于1且小于9质量％的Mo; W：5〜21质量％ Al：0.1〜2.0质量％ 0.3〜2.5质量％的Ti; 高达0.015质量％的B; 和0.01质量％的Mg，其余为Ni和不可避免的杂质。

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。

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。

公开(公告)号：US5817192A

公开(公告)日：1998-10-06

申请号：US737834

申请日：1996-11-21

申请人： Hisataka Kawai ,  Toshio Sakon ,  Yoshikuni Kadoya ,  Ichirou Tsuji ,  Ryotarou Magoshi

发明人： Hisataka Kawai ,  Toshio Sakon ,  Yoshikuni Kadoya ,  Ichirou Tsuji ,  Ryotarou Magoshi

IPC分类号： C21D6/00 ,  C22C38/46 ,  C22C38/48 ,  C22C38/52 ,  C22C38/54 ,  C22C38/44

CPC分类号： C22C38/54 ,  C22C38/46 ,  C22C38/48 ,  C22C38/52 ,  C21D2211/008 ,  C21D6/002

摘要： This invention relates to a high-strength and high-toughness heat-resisting steel formed from a heat-resisting steel containing, on a weight percentage basis, 0.08 to 0.25% carbon, up to 0.10% silicon, up to 0.10% manganese, 0.05 to 1.0% nickel, 10.0 to 12.5% chromium, 0.6 to 1.9% molybdenum, 1.0 to 1.95% tungsten, 0.10 to 0.35% vanadium, 0.02 to 0.10% niobium, 0.01 to 0.08% nitrogen, 0.001 to 0.01% boron, and 2.0 to 8.0% cobalt, the balance being substantially iron, and having a structure consisting of a tempered martensite matrix.

摘要翻译： PCT No.PCT / JP96 / 00981 Sec。 371日期：1996年11月21日 102（e）1996年11月21日PCT PCT 1996年4月10日PCT公布。 出版物WO96 / 32517 日本特开1996年10月17日本发明涉及由耐热钢形成的高强度高韧性耐热钢，其以重量百分比计含有0.08-0.25％的碳，至多0.10％的硅，直到 0.10％锰，0.05〜1.0％镍，10.0〜12.5％铬，0.6〜1.9％的钼，1.0〜1.95％的钨，0.10〜0.35％的钒，0.02〜0.10％的铌，0.01〜0.08％的氮，0.001〜0.01％ 硼和2.0〜8.0％的钴，余量基本上为铁，并且具有由回火马氏体基体组成的结构。

公开(公告)号：US5798082A

公开(公告)日：1998-08-25

申请号：US846171

申请日：1997-04-28

申请人： Yoshikuni Kadoya ,  Hisataka Kawai ,  Ryotarou Magoshi

发明人： Yoshikuni Kadoya ,  Hisataka Kawai ,  Ryotarou Magoshi

IPC分类号： C21D6/00 ,  C22C38/00 ,  C22C38/22 ,  C22C38/26 ,  C22C38/30 ,  C22C38/32 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/54

CPC分类号： C22C38/48 ,  C22C38/44 ,  C22C38/46 ,  C22C38/54

摘要： There are provided high-strength and high-toughness heat-resistant cast steels applicable to steam turbine casings, precision cast vanes and valves. There is disclosed a high-strength and high-toughness heat-resistant cast steel formed of a heat-resistant cast steel consisting of, based on weight percentage: 0.08 to 0.25% of carbon; more than 0.1 not more than 0.5% of silicon; 1% or less of manganese; 0.05 to 1% of nickel; 9 to 12% of chromium; 0.3 to 1.5% of molybdenum; 1 to 1.95% of tungsten; 0.1 to 0.35% of vanadium; 0.02 to 0.1% of niobium; 0.01 to 0.08% of nitrogen; 0.001 to 0.01% of boron; and 2 to 8% of cobalt; the balance substantially being iron; and having a martensite matrix structure.

摘要翻译： 提供适用于汽轮机外壳，精密铸造叶片和阀门的高强度，高韧性耐热铸钢。 公开了由耐热铸钢形成的高强度高韧性耐热铸钢，其重量百分比为0.08〜0.25％的碳; 大于0.1％不超过0.5％的硅; 1％以下的锰; 0.05〜1％的镍; 9〜12％的铬; 0.3〜1.5％的钼; 1〜1.95％的钨; 0.1〜0.35％的钒; 0.02〜0.1％的铌; 0.01〜0.08％的氮气; 0.001〜0.01％的硼; 和2〜8％的钴; 余额基本上是铁; 并具有马氏体矩阵结构。

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。

公开(公告)号：US20110142713A1

公开(公告)日：2011-06-16

申请号：US13055804

申请日：2009-06-29

申请人： Kenji Kawasaki ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Shin Nishimoto ,  Seiichi Kawaguchi

发明人： Kenji Kawasaki ,  Ryuichi Yamamoto ,  Yoshikuni Kadoya ,  Shin Nishimoto ,  Seiichi Kawaguchi

IPC分类号： B23K35/24 ,  C22C19/05

CPC分类号： F01D5/063 ,  B23K35/24 ,  B23K35/3033 ,  B23K2101/001 ,  B23K2103/08 ,  B23K2103/26 ,  C22C19/055 ,  C22C19/056 ,  Y02T50/671

摘要： Disclosed is a welding material for a Ni-based alloy, comprising components expressed as follows: C≦0.05 mass %; 8 mass %≦Cr≦25 mass %; Fe≦4.0 mass %; W≦15 mass %; 5 mass %≦Mo+½(W+Re)≦20 mass %; Co≦20 mass %; 0.01 mass %≦Al

摘要翻译： 公开了一种用于Ni基合金的焊接材料，其包含表示如下的组分：C＆lt; lE; 0.05质量％ 8质量％＆nlE; Cr＆nlE; 25质量％ Fe + nIE; 4.0质量％; W＆nlE; 15质量％; 5质量％＆amp; NlE; Mo + 1/2（W + Re）＆nlE; 20质量％ Co＆nlE; 20质量％; 0.01质量％＆amp; A1; Al <2.0质量％; 0.01质量％; Ti <2.0质量％; Al +½Ti＆nlE; 3.0质量％; Nb +½Ta＆nlE; 1.5质量％ B＆nlE; 0.007质量％; Zr＆nlE; 0.04质量％ 0.01质量％＆nlE; Si＆NlE; 0.5质量％ Mn＆nlE; 1.0质量％ P＆nlE; 0.010质量％; S＆nlE; 0.002质量％; O＆NlE; 0.005质量％ 构成平衡的Ni和不可避免的杂质。