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1. 发明授权

US6071470A Refractory superalloys 失效
$Refractory superalloys$
标题翻译：耐火超级合金
公开(公告)号：US6071470A
公开(公告)日：2000-06-06
申请号：US616198
申请日：1996-03-15
申请人： Yutaka Koizumi , Yoko Yamabe , Yoshikazu Ro , Tomohiro Maruko , Shizuo Nakazawa , Hideyuki Murakami , Hiroshi Harada
发明人： Yutaka Koizumi , Yoko Yamabe , Yoshikazu Ro , Tomohiro Maruko , Shizuo Nakazawa , Hideyuki Murakami , Hiroshi Harada
IPC分类号： C22C5/04 , C22C27/00
CPC分类号： C22C5/04
摘要： Refractory superalloys consist essentially of a primary constituent selected from the group consisting of iridium, rhodium, and a mixture thereof, and one or more additive elements selected from the group consisting of niobium, tantalum, hafnium, zirconium, uranium, vanadium, titanium and aluminum, and the superalloys having a microstructure containing an FCC-type crystalline structure phase and an L1.sub.2 -type crystalline structure phase are precipitated. Preferably the amount of additive element(s) is 2 to 22 atom %.
摘要翻译：耐火超级合金基本上由选自铱，铑及其混合物的一级成分和选自铌，钽，铪，锆，铀，钒，钛和铝的一种或多种添加元素组成并且析出含有FCC型结晶相和L12型结晶结构相的微结构的超合金。优选添加元素的量为2至22原子％。

2. 发明授权

US06494971B1 Iridium-containing nickel-base superalloy 有权
标题翻译：含铱镍基超级合金
公开(公告)号：US06494971B1
公开(公告)日：2002-12-17
申请号：US09297041
申请日：1999-06-17
申请人： Toshiharu Kobayashi , Yutaka Koizumi , Hideyuki Murakami , Yoshikazu Ro , Yoko Yamabe , Shizuo Nakazawa , Hiroshi Harada , Toshihiro Yamagata
发明人： Toshiharu Kobayashi , Yutaka Koizumi , Hideyuki Murakami , Yoshikazu Ro , Yoko Yamabe , Shizuo Nakazawa , Hiroshi Harada , Toshihiro Yamagata
IPC分类号： C22C1903
CPC分类号： C22C19/03
摘要： An iridium-containing nickel-base superalloy which has an orderly arrayed allow structure to be strengthened by precipitation and contains iridium dissolved in the &ggr; and &ggr;′ phases to be strengthened by solid solution, thus being improved in high-temperature strength and resistance to high-temperature corrosion. The superalloy can be prepared by adding iridium to a general nickel-base superalloy
摘要翻译：具有有序排列的含铱镍基超耐热合金通过沉淀而得到强化，并含有溶解在γ和γ相中的铱，被固溶强化，从而提高了高温强度和耐高温性温度腐蚀。超级合金可以通过将铱加入到一般的镍基超级合金中来制备

3. 发明授权

US06673308B2 Nickel-base single-crystal superalloys, method of manufacturing same and gas turbine high temperature parts made thereof 有权
标题翻译：镍基单晶超合金，其制造方法和由其制成的燃气轮机高温部件
公开(公告)号：US06673308B2
公开(公告)日：2004-01-06
申请号：US09941699
申请日：2001-08-30
申请人： Takehisa Hino , Yutaka Koizumi , Toshiharu Kobayashi , Shizuo Nakazawa , Hiroshi Harada , Yutaka Ishiwata , Yomei Yoshioka
发明人： Takehisa Hino , Yutaka Koizumi , Toshiharu Kobayashi , Shizuo Nakazawa , Hiroshi Harada , Yutaka Ishiwata , Yomei Yoshioka
IPC分类号： C22C1905
CPC分类号： C22C19/057 , C22F1/10
摘要： A nickel-base single-crystal superalloy, essentially consists of, in percentages by weight, 4.0% to 11.0% of cobalt, 3.5% to less than 5.0% of chromium, 0.5% to 3.0% of molybdenum, 7.0% to 10.0% of tungsten, 4.5% to 6.0% of aluminum, 0.1% to 2.0% of titanium, 5.0% to 8.0% of tantalum, 1.0% to 3.0% of rhenium, 0.01% to 0.5% of hafnium, 0.01% to 0.1% of silicon, and a balance being nickel and inevitable impurity, a total amount of rhenium and chromium being not less than 4.0% and a total amount of rhenium, molybdenum, tungsten and chromium being not more than 18.0%.
摘要翻译：镍基单晶超合金基本上由重量百分比计为4.0％至11.0％的钴，3.5％至小于5.0％的铬，0.5％至3.0％的钼，7.0％至10.0％的钼，钨，4.5〜6.0％的铝，0.1〜2.0％的钛，5.0〜8.0％的钽，1.0〜3.0％的铼，0.01〜0.5％的铪，0.01〜0.1％的硅，余量为镍和不可避免的杂质，铼和铬的总量不小于4.0％，铼，钼，钨和铬的总量不超过18.0％。

4. 发明授权

US06755921B2 Nickel-based single crystal alloy and a method of manufacturing the same 有权
标题翻译：镍基单晶合金及其制造方法
公开(公告)号：US06755921B2
公开(公告)日：2004-06-29
申请号：US10139352
申请日：2002-05-07
申请人： Toshiharu Kobayashi , Yutaka Koizumi , Shizuo Nakazawa , Hiroshi Harada , Toshihiro Yamagata
发明人： Toshiharu Kobayashi , Yutaka Koizumi , Shizuo Nakazawa , Hiroshi Harada , Toshihiro Yamagata
IPC分类号： C22C1905
CPC分类号： C22F1/10 , C22C19/057 , C30B11/00 , C30B29/52
摘要： The present inventions offer a nickel-based single crystal alloy which has a high strength, is easy in conducting the solution heat treatment, hardly gives a harmful phase and is resistant to corrosion at high temperature. A nickel-based single crystal alloy is offered where the composition consists of 7-15 of Co, 0.1-4 of Cr, 1-4 of Mo, 4-7 of W, 5.5-6.5 of Al, 5-7 of Ta, 4-5.5 of Re, 0-0.5 each of Hf and V, and 0-2 each of Ti and Nb in terms of % by weight and residual part substantially consists of Ni wherein said alloy may contain unavoidable impurities.
摘要翻译：本发明提供了一种具有高强度的镍基单晶合金，易于进行固溶热处理，几乎不产生有害相，并且耐高温腐蚀。提供了一种镍基单晶合金，其中组成由7-15个Co，0.1-4个Cr，1-4个Mo，4-7个W，5.5-6.5个Al，5-7个Ta， 4.5的Re，0-0.5的Hf和V，以及Ti和Nb的0-2以重量％计，剩余部分基本上由Ni组成，其中所述的合金可能含有不可避免的杂质。

5. 发明授权

US6159314A Nickel-base single-crystal superalloys, method for manufacturing the same, and gas turbine parts prepared therefrom 有权
标题翻译：镍基单晶超级合金，其制造方法和由其制备的燃气轮机部件
公开(公告)号：US6159314A
公开(公告)日：2000-12-12
申请号：US261230
申请日：1999-03-03
申请人： Yutaka Koizumi , Toshiharu Kobayashi , Shizuo Nakazawa , Hiroshi Harada , Tosihiro Yamagata , Takehisa Hino , Yomei Yoshioka
发明人： Yutaka Koizumi , Toshiharu Kobayashi , Shizuo Nakazawa , Hiroshi Harada , Tosihiro Yamagata , Takehisa Hino , Yomei Yoshioka
IPC分类号： F01D25/00 , C22C19/05 , C22F1/00 , C22F1/10 , F02C7/00
CPC分类号： C22F1/10
摘要： The invention relates to a nickel-base single-crystal superalloy applied to parts for industrial gas turbine or the like such as turbine rotor blade and stator blade which are used at high temperatures, a method for manufacturing the same, and gas turbine parts prepared from such nickel-base single-crystal superalloys, and more particularly the invention provides a nickel-base single-crystal superalloy consisting essentially of, in percentages by weight, 5% to 10% cobalt, 4.7% to 6% chromium, more than 2.0% to less than 3.5% molybdenum, 7.5% to 10% tungsten, 5% to 6% aluminum, 0.1% to 2% titanium, 4% to 5.5% tantalum, 1% to 4% rhenium, 0.01% to 0.2% hafnium, the balance being nickel and incidental impurities, which is excellent in high-temperature strength and high-temperature corrosion resistance, and further excellent in structural stability even in a long time use.
摘要翻译：本发明涉及一种应用于工业燃气轮机等部件的镍基单晶超合金，例如在高温下使用的涡轮转子叶片和定子叶片，其制造方法，以及由这种镍基单晶超合金，更具体地说，本发明提供了一种镍基单晶超合金，主要由重量百分比为5％至10％的钴，4.7％至6％的铬，大于2.0％至少于3.5％的钼，7.5％至10％的钨，5％至6％的铝，0.1％至2％的钛，4％至5.5％的钽，1％至4％的铼，0.01％至0.2％的铪，余量为镍和附带杂质，其耐高温性和耐高温腐蚀性优异，即使长时间使用也具有优异的结构稳定性。

6. 发明授权

US5100616A Gamma-prime precipitation hardening nickel-base yttria particle-dispersion strengthened superalloy 失效
标题翻译：伽玛沉淀硬化镍基氧化钇颗粒分散强化超合金
公开(公告)号：US5100616A
公开(公告)日：1992-03-31
申请号：US552821
申请日：1990-07-12
申请人： Yozo Kawasaki , Katsuyuki Kusunoki , Shizuo Nakazawa , Michio Yamazaki
发明人： Yozo Kawasaki , Katsuyuki Kusunoki , Shizuo Nakazawa , Michio Yamazaki
IPC分类号： C22C19/05 , C22C32/00 , C22F1/10
CPC分类号： C22C32/0026 , C22C19/056 , C22C19/057 , C22F1/10
摘要： A gamma-prime precipitation hardening nickel-base yttria particle-dispersion-strengthened superalloy having a composition consisting essentially, by weight %, of 3.5 to 6.0 % of Al, 7.0 to 10.0 % of Co, 8.0 to 10.5 % of Cr, 0.5 to 1.5 % of Ti, 4.0 to 6.5 % of Ta, 7.0 to 9.0 % of W, 1.5 to 2.5 % of Mo, 0.02 to 0.2 % of Zr, 0.001 to 0.1 % of C, 0.001 to 0.02 % of B, 0.5 to 1.7 % of Y.sub.2 O.sub.3 and the balance being Ni. It has an excellent high-temperature creep rupture strength and a good corrosion resistance at high temperatures.
摘要翻译：一种γ-析出硬化镍基氧化钇颗粒分散强化的超级合金，其组成主要由重量百分比组成，Al：3.5〜6.0％，Co 7.0〜10.0％，Cr：8.0〜10.5％，Cr：0.5〜 1.5％的Ti，4.0〜6.5％的Ta，7.0〜9.0％的W，1.5〜2.5％的Mo，0.02〜0.2％的Zr，0.001〜0.1％的C，0.001〜0.02％的B，0.5〜1.7 ％Y2O3，余量为Ni。它具有优异的高温蠕变断裂强度和高温下良好的耐腐蚀性。

7. 发明授权

US4717435A Gamma-prime precipitation hardening nickel-base yttria particle-dispersion-strengthened superalloy 失效
标题翻译：伽玛沉淀硬化镍基氧化钇粒子分散强化超合金
公开(公告)号：US4717435A
公开(公告)日：1988-01-05
申请号：US903135
申请日：1986-09-03
申请人： Yozo Kawasaki , Katsuyuki Kusunoki , Shizuo Nakazawa , Michio Yamazaki
发明人： Yozo Kawasaki , Katsuyuki Kusunoki , Shizuo Nakazawa , Michio Yamazaki
IPC分类号： C22C19/05 , C22C1/04 , C22C1/05 , C22C32/00 , C22F1/00 , C22F1/10
CPC分类号： C22C32/0026
摘要： A gamma-prime precipitation hardening nickel-base yttria particle-dispersion-strengthened superalloy having a composition consisting essentially of, by weight, 3.0 to 6.0% of Al, 8.5 to 10.9% of Co, 3.9 to 7.5% of Cr, 0.5 to 1.2% of Ti, 3.6 to 6.3% of Ta, 11.4 to 13.3% of W, 0.02 to 0.2% of Zr, 1.3 to 2.6% of Mo, 0.001 to 0.1% of C, 0.001 to 0.02% of B, 0.5 to 1.7% of yttria (Y.sub.2 O.sub.3), not more than 0.8% of O and the balance being Ni and having a structure composed of coarse recrystallized grains with a GAR of at least 20 and a short axis diameter of at least 0.5 mm, said alloy being produced by mechanically mixing a nickel carbonyl powder, element powders of Co, Cr, Ta, W and Mo, alloy powders of Ni--Al, Ni--Ti--Al, Ni--Zr and Ni--B, and a fine yttria powder in amounts to provide said composition, sealing the mixed powder into an extrusion can, extruding it, and subjecting the extruded material to zone annealing heat-treatment while its maximum temperature is within the range from its hardness softening temperature to its solidus temperature.
摘要翻译：具有基本上由Al组成3.0〜6.0％，Co：8.5〜10.9％，Cr 3.9〜7.5％，Cr：0.5〜1.2重量％组成的γ析出硬化型镍基氧化钇粒子分散强化超合金的Ti，3.6〜6.3％的Ta，11.4〜13.3％的W，0.02〜0.2％的Zr，1.3〜2.6％的Mo，0.001〜0.1％的C，0.001〜0.02％的B，0.5〜1.7％的氧化钇（Y 2 O 3），不大于0.8的O且余量为Ni，并且具有由具有至少20的GAR和短轴直径至少为0.5mm的粗再结晶晶粒组成的结构，所述合金由机械混合镍羰基粉末，Co，Cr，Ta，W和Mo的元素粉末，Ni-Al，Ni-Ti-Al，Ni-Zr和Ni-B的合金粉末和细微的氧化钇粉末，所述组合物将所述混合粉末密封成挤出罐，将其挤出，并将挤出的材料进行区域退火热处理，同时其最大温度在其硬度范围内软化温度达到固相线温度。

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