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1. 发明授权

US07622150B2 Oxidation resistant coatings for molybdenum silicide-based composite articles 有权
公开(公告)号：US07622150B2
公开(公告)日：2009-11-24
申请号：US10253750
申请日：2002-09-24
申请人： Ji-Cheng Zhao , Bernard Patrick Bewlay , Melvin Robert Jackson
发明人： Ji-Cheng Zhao , Bernard Patrick Bewlay , Melvin Robert Jackson
IPC分类号： C23C16/00 , C23C4/08 , H05H1/24
CPC分类号： C04B41/009 , C04B41/5071 , C04B41/52 , C04B41/87 , C04B41/89 , C23C30/005 , F01D5/288 , F05C2201/04 , F05D2230/90 , F05D2300/131 , F05D2300/132 , F05D2300/133 , F05D2300/611 , Y02T50/67 , Y02T50/672 , Y10T428/12458 , Y10T428/12611 , Y10T428/12618 , Y10T428/12674 , Y10T428/12806 , Y10T428/12826 , C04B41/4527 , C04B41/4529 , C04B41/5042 , C04B41/5037 , C04B41/522 , C04B35/58
摘要： An environmentally resistant coating comprising silicon, titanium, chromium, and a balance of niobium and molybdenum for turbine components formed from molybdenum silicide-based composites. The turbine component may further include a thermal barrier coating disposed upon an outer surface of the environmentally resistant coating comprising zirconia, stabilized zirconia, zircon, mullite, and combinations thereof. The molybdenum silicide-based composite turbine component coated with the environmentally resistant coating and thermal barrier coating is resistant to oxidation at temperatures in the range from about 2000° F. to about 2600° F. and to pesting at temperatures in the range from about 1000° F. to about 1800° F.

2. 发明授权

US06607847B2 Bonded niobium silicide and molybdenum silicide composite articles using brazes 有权
标题翻译：使用铜焊接的硅化铌和硅化钼复合材料
公开(公告)号：US06607847B2
公开(公告)日：2003-08-19
申请号：US09870430
申请日：2001-05-30
申请人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
发明人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
IPC分类号： B32B1501
CPC分类号： B23K35/30 , B23K1/19 , B23K35/32 , B23K35/322 , B23K35/325 , B23K2101/001 , B23K2103/08 , B23K2103/16 , B23K2103/172 , F01D5/28 , F05D2300/131 , Y02T50/672 , Y10T428/12639 , Y10T428/12674 , Y10T428/12778 , Y10T428/12806 , Y10T428/12819 , Y10T428/12826 , Y10T428/12847 , Y10T428/12861 , Y10T428/12868 , Y10T428/12875 , Y10T428/12889
摘要： An article, such as an airfoil having a melting temperature of at least about 1500° C. and comprising a first piece and a second piece joined by a braze to the first piece. The first piece comprises one of a first niobium-based refractory metal intermetallic composite and a first molybdenum-based refractory metal intermetallic composite, and the second piece comprises one of a second niobium-based refractory metal intermetallic composite and a second molybdenum-based refractory metal intermetallic composite. The braze joining the first piece to the second piece comprises a first metallic element and a second metallic element, wherein the first metallic element is one of titanium, palladium, zirconium, niobium, and hafnium, and wherein the second metallic element is one of titanium, palladium, zirconium, niobium, hafnium, aluminum, chromium, vanadium, platinum, gold, iron, nickel, and cobalt, the first metallic element being different from the second metallic element. This abstract is submitted in compliance with 37 C.F.R. 1.72(b) with the understanding that it will not be used to interpret or limit the scope of or meaning of the claims.
摘要翻译：一种物品，例如具有至少约1500℃的熔化温度的翼型件，并且包括通过钎焊连接到第一件的第一件和第二件。第一件包括第一铌基难熔金属金属间复合材料和第一钼基难熔金属金属间复合材料之一，第二件包括第二铌基难熔金属金属间复合物和第二钼基难熔金属中的一种金属间复合材料。将第一片接合到第二片的钎焊件包括第一金属元件和第二金属元件，其中第一金属元件是钛，钯，锆，铌和铪之一，并且其中第二金属元素是钛，钯，锆，铌，铪，铝，铬，钒，铂，金，铁，镍和钴，第一金属元素不同于第二金属元素。本摘要根据37 C.F.R. 1.72（b），但有一项谅解，即不会用于解释或限制权利要求的范围或含义。

3. 发明授权

US06521356B2 Oxidation resistant coatings for niobium-based silicide composites 失效
标题翻译：用于铌基硅化物复合材料的抗氧化涂层
公开(公告)号：US06521356B2
公开(公告)日：2003-02-18
申请号：US09775737
申请日：2001-02-02
申请人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
发明人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
IPC分类号： B32B1504
CPC分类号： C23C10/26 , C23C10/28 , C23C10/60 , C23C30/00 , Y02T50/67 , Y10T428/12611 , Y10T428/12618 , Y10T428/12674 , Y10T428/12806 , Y10T428/12819 , Y10T428/265
摘要： An environmentally resistant coating for improving the oxidation resistance of a niobium-based refractory metal intermetallic composite (Nb-based RMIC) at high temperatures, the environmentally resistant coating comprising silicon, titanium, chromium, and niobium. The invention includes a turbine system having turbine components comprising at least one Nb-based RMIC, the environmentally resistant coating disposed on a surface of the Nb-based RMIC, and a thermal barrier coating disposed on an outer surface of the environmentally resistant coating. Methods of making a turbine component having the environmentally resistant coating and coating a Nb-based RMIC substrate with the environmentally resistant coating are also disclosed.
摘要翻译：用于提高高温下铌基难熔金属金属间复合材料（Nb基RMIC）的抗氧化性的环保涂层，包括硅，钛，铬和铌的环保涂料。本发明包括具有涡轮机部件的涡轮机系统，所述涡轮机部件包括至少一个基于Nb的RMIC，设置在Nb基RMIC的表面上的耐环境涂层以及设置在耐环境涂层的外表面上的热障涂层。还公开了制造具有耐环境涂层的涡轮机部件和用耐环境涂层涂覆Nb基RMIC基板的方法。

4. 发明授权

US06428910B1 Nb-based silicide composite compositions 有权
标题翻译： Nb基硅化物复合组合物
公开(公告)号：US06428910B1
公开(公告)日：2002-08-06
申请号：US09651969
申请日：2000-08-31
申请人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao , Reed Roeder Corderman
发明人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao , Reed Roeder Corderman
IPC分类号： B32B1501
CPC分类号： B32B15/01 , C22C27/02 , Y10S148/902 , Y10T428/12458 , Y10T428/12639 , Y10T428/12806 , Y10T428/12819
摘要： A refractory metal intermetallic composition comprising titanium (Ti), hafnium (Hf), silicon (Si), aluminum (Al), chromium (Cr), germanium (Ge), tin (Sn), iron (Fe), and a balance of niobium (Nb) for use in composite structures having applications in turbine components.
摘要翻译：包含钛（Ti），铪（Hf），硅（Si），铝（Al），铬（Cr），锗（Ge），锡（Sn），铁（Fe）的难熔金属金属间组合物，铌（Nb）用于在涡轮机部件中应用的复合结构。

5. 发明授权

US08153052B2 High-temperature composite articles and associated methods of manufacture 有权
标题翻译：高温复合制品及相关制造方法
公开(公告)号：US08153052B2
公开(公告)日：2012-04-10
申请号：US10671851
申请日：2003-09-26
申请人： Melvin Robert Jackson , Bernard Patrick Bewlay , Judson Sloan Marte , Pazhayannur Ramanathan Subramanian , Ji-Cheng Zhao , Ann Melinda Ritter
发明人： Melvin Robert Jackson , Bernard Patrick Bewlay , Judson Sloan Marte , Pazhayannur Ramanathan Subramanian , Ji-Cheng Zhao , Ann Melinda Ritter
IPC分类号： B22F1/02
CPC分类号： C22C27/02 , B22F3/23 , C22C1/058 , C22C29/18 , C22C32/0078
摘要： The present invention provides a method for forming a refractory metal-intermetallic composite. The method includes providing a first powder comprising a refractory metal suitable for forming a metal phase; providing a second powder comprising a silicide precursor suitable for forming an intermetallic phase; blending the first powder and the second powder to form a powder blend; consolidating and mechanically deforming the powder blend at a first temperature; and reacting the powder blend at a second temperature to form the metal phase and the intermetallic phase of the refractory metal-intermetallic composite, wherein the second temperature is higher than the first temperature.
摘要翻译：本发明提供了形成难熔金属 - 金属间复合材料的方法。该方法包括提供包含适于形成金属相的难熔金属的第一粉末; 提供包含适于形成金属间相的硅化物前体的第二粉末; 混合第一粉末和第二粉末以形成粉末混合物; 在第一温度下固化和机械地使粉末混合物变形; 和在第二温度下使粉末混合物反应以形成难熔金属 - 金属间化合物的金属相和金属间相，其中第二温度高于第一温度。

6. 发明授权

US06913655B2 Niobium-silicide based composities resistant to high temperature oxidation 失效
标题翻译：铌硅基复合材料耐高温氧化
公开(公告)号：US06913655B2
公开(公告)日：2005-07-05
申请号：US10263527
申请日：2002-10-03
申请人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
发明人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
IPC分类号： C22C27/02 , C22C29/18 , F01D5/28
CPC分类号： C22C29/18 , C22C27/02 , F01D5/28 , F05D2200/11 , Y02T50/672
摘要： A niobium-silicide refractory metal intermetallic composite adapted for use in a turbine component. The niobium-silicide refractory metal intermetallic composite comprises: between about 19 atomic percent and about 24 atomic percent titanium; between about 1 atomic percent and about 5 atomic percent hafnium; between about 16 atomic percent and about 22 atomic percent silicon; between about 7 atomic percent and about 14 atomic percent chromium; from about 1.5 atomic percent to about 3 atomic percent tin; and a balance of niobium. The niobium silicide refractory intermetallic composite contains a tetragonal phase, which comprises a volume fraction from 0.35 to 0.5 of the niobium silicide refractory intermetallic composite, and a hexagonal M3Si5 silicide phase (wherein M is at least one of Nb and Hf) which comprises a volume fraction comprises less than 0.25 of the niobium silicide refractory intermetallic composite. A ratio of the sum of atomic percentages of niobium and tantalum present in said niobium silicide refractory intermetallic composite to the sum of atomic percentages of titanium and of hafnium present in said niobium silicide refractory intermetallic composite has a value from 1.5 to 2.0.
摘要翻译：适用于涡轮机部件的铌硅化物耐火金属金属间复合材料。所述铌 - 硅化物难熔金属金属间复合物包括：约19原子％至约24原子％的钛; 约1原子％至约5原子％的铪; 介于约16原子％和约22原子％之间的硅; 约7原子％至约14原子％的铬; 从约1.5原子％至约3原子％的锡; 和铌的平衡。所述铌硅化物难熔金属间复合材料包含四方相，其包含硅化铌耐火金属间复合材料的0.35至0.5的体积分数和六方晶系的N 3 Si 5 Si 5 Si 包括体积分数的相（其中M是Nb和Hf中的至少一种）包括小于0.25的硅化铌耐火金属间复合材料。所述铌硅化物难熔金属间化合物中存在的铌和钽的原子百分比之和与存在于所述铌硅化物耐火金属间复合材料中的钛和铪的原子百分比之和的比值为1.5至2.0。

7. 发明授权

US06419765B1 Niobium-silicide based composites resistant to low temperature pesting 有权
标题翻译：铌 - 硅化物基复合材料耐低温虫害
公开(公告)号：US06419765B1
公开(公告)日：2002-07-16
申请号：US09735769
申请日：2000-12-13
申请人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
发明人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
IPC分类号： C22C2702
CPC分类号： C22F1/18 , C22C27/02
摘要： A niobium-silicide refractory metal intermetallic composite having enhanced material characteristics, such as oxidation resistance, creep resistance, and toughness, and turbine components made therefrom. The composite comprises between about 14 atomic percent and about 26 atomic percent titanium; between about 1 atomic percent and about 4 atomic percent hafnium; up to about 6 atomic percent tantalum; between about 12 atomic percent and about 22 atomic percent silicon; up to about 5 atomic percent germanium; up to about 4 atomic percent boron; between about 7 atomic percent and about 14 atomic percent chromium; up to about 3 atomic percent iron; up to about 2 atomic percent aluminum; between about 1 atomic percent and about 3 atomic percent tin; up to about 2 atomic percent tungsten; up to about 2 atomic percent molybdenum; and a balance of niobium, wherein a ratio of a sum of atomic percentages of niobium and tantalum present in said niobium silicide refractory intermetallic composite to a sum of atomic percentages of titanium and hafnium present in said niobium silicide refractory intermetallic composite has a value between about 1.4 and about 2.2 (i.e.,1.4
摘要翻译：具有提高材料特性如耐氧化性，抗蠕变性和韧性的铌 - 硅化物耐火金属金属间复合物和由其制成的涡轮部件。复合材料包含约14原子％至约26原子％的钛; 约1原子％至约4原子％的铪; 高达约6原子％的钽; 约12原子％和约22原子％之间的硅; 高达约5原子％的锗; 高达约4原子％的硼; 约7原子％至约14原子％的铬; 高达约3原子％铁; 高达约2原子％的铝; 在约1原子％和约3原子％之间的锡; 高达约2原子％的钨; 高达约2原子％的钼; 和铌的余量，其中存在于所述铌硅化物难熔金属间复合材料中的铌和钽的原子百分比之和与存在于所述铌硅化物耐火金属间复合材料中的钛和铪的原子百分比之和的比值在约 1.4和约2.2（即1.4 <（Nb + Ta）：Ti + Hf）<2.2）。

8. 发明授权

US06497968B2 Oxidation resistant coatings for molybdenum silicide-based composite articles 有权
标题翻译：基于硅化钼的复合材料的耐氧化涂层
公开(公告)号：US06497968B2
公开(公告)日：2002-12-24
申请号：US09793311
申请日：2001-02-26
申请人： Ji-Cheng Zhao , Bernard Patrick Bewlay , Melvin Robert Jackson
发明人： Ji-Cheng Zhao , Bernard Patrick Bewlay , Melvin Robert Jackson
IPC分类号： B32B1504
CPC分类号： C04B41/009 , C04B41/5071 , C04B41/52 , C04B41/87 , C04B41/89 , C23C30/005 , F01D5/288 , F05C2201/04 , F05D2230/90 , F05D2300/131 , F05D2300/132 , F05D2300/133 , F05D2300/611 , Y02T50/67 , Y02T50/672 , Y10T428/12458 , Y10T428/12611 , Y10T428/12618 , Y10T428/12674 , Y10T428/12806 , Y10T428/12826 , C04B41/4527 , C04B41/4529 , C04B41/5042 , C04B41/5037 , C04B41/522 , C04B35/58
摘要： An environmentally resistant coating comprising silicon, titanium, chromium, and a balance of niobium and molybdenum for turbine components formed from molybdenum silicide-based composites. The turbine component may further include a thermal barrier coating disposed upon an outer surface of the environmentally resistant coating comprising zirconia, stabilized zirconia, zircon, mullite, and combinations thereof. The molybdenum silicide-based composite turbine component coated with the environmentally resistant coating and thermal barrier coating is resistant to oxidation at temperatures in the range from about 2000° F. to about 2600° F. and to pesting at temperatures in the range from about 1000° F. to about 1800° F.
摘要翻译：包含硅，钛，铬以及用于由硅化钼基复合材料形成的涡轮部件的余量为铌和钼的环保涂层。涡轮机部件还可以包括设置在耐环境涂层的外表面上的热障涂层，其包含氧化锆，稳定的氧化锆，锆石，莫来石及其组合。涂覆有耐环境的涂层和热障涂层的基于硅化钼的复合涡轮机部件在约2000°F至约2600°F的温度范围内耐氧化，并且在约1000℃ °F至约1800°F

9. 发明授权

US06645560B2 Oxidation resistant coatings for niobium-based silicide composites 失效
公开(公告)号：US06645560B2
公开(公告)日：2003-11-11
申请号：US10315731
申请日：2002-12-10
申请人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
发明人： Ji-Cheng Zhao , Melvin Robert Jackson , Bernard Patrick Bewlay
IPC分类号： B05D302
CPC分类号： C23C10/26 , C23C10/28 , C23C10/60 , C23C30/00 , Y02T50/67 , Y10T428/12611 , Y10T428/12618 , Y10T428/12674 , Y10T428/12806 , Y10T428/12819 , Y10T428/265
摘要： An environmentally resistant coating (34) for improving the oxidation resistance of a niobium-based refractory metal intermetallic composite (Nb-based RMIC) at high temperatures, the environmentally resistant coating (34) comprising silicon, titanium, chromium, and niobium. The invention includes a turbine system (10) having turbine components (11) comprising at least one Nb-based RMIC, the environmentally resistant coating (34) disposed on a surface (33) of the Nb-based RMIC, and a thermal barrier coating (42) disposed on an outer surface (40) of the environmentally resistant coating (34). Methods of making a turbine component (11) having the environmentally resistant coating (34) and coating a Nb-based RMIC substrate (32) with the environmentally resistant coating (34) are also disclosed.

10. 发明授权

US06586118B2 Bonded niobium silicide and molybdenum silicide composite articles using semi-solid brazes 有权
标题翻译：使用半固体钎焊的结合的硅化铌和硅化钼复合材料制品
公开(公告)号：US06586118B2
公开(公告)日：2003-07-01
申请号：US09867489
申请日：2001-05-30
申请人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
发明人： Melvin Robert Jackson , Bernard Patrick Bewlay , Ji-Cheng Zhao
IPC分类号： B32B1500
CPC分类号： F01D5/28 , B23K35/0222 , B23K35/28 , B23K35/30 , B23K35/32 , B23K35/322 , B23K35/325 , B32B15/01 , F05C2201/0463 , F05C2201/0466 , F05D2300/121 , F05D2300/13 , F05D2300/132 , F05D2300/133 , F05D2300/134 , F05D2300/142 , F05D2300/143 , F05D2300/222 , Y02T50/672 , Y10T428/12639 , Y10T428/12674 , Y10T428/12778 , Y10T428/12806 , Y10T428/12819 , Y10T428/12826 , Y10T428/12847 , Y10T428/12861 , Y10T428/12868 , Y10T428/12875 , Y10T428/12889
摘要： An airfoil having a melting temperature of at least about 1500° C. and comprising a first piece and a second piece joined by a braze to the first piece. The first piece comprises one of a first niobium-based refractory metal intermetallic composite and a first-based refractory metal intermetallic composite, and the second piece comprises one of a second niobium-based refractory metal intermetallic composite and a second molybdenum-based refractory metal intermetallic composite. The braze joining the first piece to the second piece is a semi-solid braze that comprises a first component and a second component. The first component of the semi-solid braze comprises a first element and a second metallic element, wherein the first element is one of titanium, palladium, zirconium, niobium, germanium, silicon, and hafnium, and the second metallic element is a metal selected from the group consisting of titanium, palladium, zirconium, niobium, hafnium, aluminum, chromium, vanadium, platinum, gold, iron, nickel, and cobalt, the second metallic element being different from the first element. The second component has a melting temperature of at least about 1450° C. and comprises one of niobium, molybdenum, titanium, hafnium, silicon, boron, aluminum, tantalum, germanium, vanadium, tungsten, zirconium, and chromium. This abstract is submitted in compliance with 37 C.F.R. 1.72(b) with the understanding that it will not be used to interpret or limit the scope of or meaning of the claims.
摘要翻译：一种具有至少约1500℃的熔融温度并且包括通过钎焊连接到第一部件的第一部件和第二部件的翼型件。第一件包括第一铌基难熔金属金属间复合材料和第一种难熔金属金属间复合材料中的一种，第二件包括第二铌基难熔金属金属间复合物和第二种钼基难熔金属金属间化合物综合。将第一件连接到第二件的钎焊是包括第一部件和第二部件的半固体钎焊。半固体钎焊的第一部件包括第一元件和第二金属元件，其中第一元件是钛，钯，锆，铌，锗，硅和铪之一，并且第二金属元素是选择的金属从钛，钯，锆，铌，铪，铝，铬，钒，铂，金，铁，镍和钴组成的组中，第二金属元素不同于第一元素。第二组分的熔融温度为至少约1450℃，并且包括铌，钼，钛，铪，硅，硼，铝，钽，锗，钒，钨，锆和铬中的一种。本摘要根据37 C.F.R. 1.72（b），但有一项谅解，即不会用于解释或限制权利要求的范围或含义。

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