An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a …
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US6987339B2 US10/447,341 US44734103A US6987339B2 US 6987339 B2 US6987339 B2 US 6987339B2 US 44734103 A US44734103 A US 44734103A US 6987339 B2 US6987339 B2 US 6987339B2 Authority
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Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance but has a very high melting point as a pure metal and thus is difficult to use as a coating for many alloys having lower melting points. The reduced …
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Oxidation and wear resistant rhenium metal matrix composites US7226671B2 (en) : : Honeywell International, Inc. Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors US6946096B2 (en) : : Honeywell International, Inc.
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Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance but has a very high melting point as a pure metal and thus is difficult to use as a coating for many alloys having lower melting points. The reduced …
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Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance but has a very high melting point as a pure metal and thus is difficult to use as a coating for many alloys having lower melting points. The reduced …
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Powder composites cermets and metal–matrix composite materials reinforced with different content of hard phase were used as examples in this research. …
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An alloy and metal matrix composite (MMC) based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other …
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US6773663B2 US10/138,090 US13809002A US6773663B2 US 6773663 B2 US6773663 B2 US 6773663B2 US 13809002 A US13809002 A US 13809002A US 6773663 B2 US6773663 B2 US 6773663B2 Authority US United States Prior art keywords resistant oxidation wear metal matrix mmc Prior art date Legal status (The legal status is an …
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Methods are provided for bonding pure rhenium to a substrate comprising a material. Non-lubricated components configured to have friction contact with another component are also provided. In an embodiment, by way of example only, a method includes disposing a eutectic alloy over the substrate to form an inter layer, the eutectic alloy comprised …
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An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a …
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An attempt is made to study the Wear characteristics of Hematite (Fe 2 O 3) reinforced Aluminum 6061 Metal Matrix Composites. The reinforcement is added in …
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An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a …
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oxidation wear resistant metal matrix matrix composites rhenium metal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number AU2003237137A Inventor Robbie ...
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This patent application is related to and priority is claimed May 31, 2002 for Use of Powdered Metal Sintering/ Diffusion Bonding to Enable Applying Silicon Carbide or Rhenium Alloys to Face Seal Rotors. This application is also a continuation-in-part of U.S. patent application Ser. No. for Oxidation and Wear Resistant Rhenium Metal Matrix
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Oxidation and wear resistant rhenium metal matrix composites US7226671B2 (en) : : Honeywell International, Inc. Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors US6946096B2 (en) : : Honeywell International, Inc.
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WO2003093522A1 PCT/US2003/013449 US0313449W WO03093522A1 WO 2003093522 A1 WO2003093522 A1 WO 2003093522A1 US 0313449 W US0313449 W US 0313449W WO ... WIPO (PCT) Prior art keywords rhenium oxidation alloy set forth resistant alloy Prior art date Application number PCT/US2003/013449 ... …
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US United States Prior art keywords rhenium carbon sccm substrate hexafluoride Prior art date ... Priority to US08/408,234 priority Critical patent/US5577263A/en Assigned to ALLIEDSIGNAL INC. reassignment ALLIEDSIGNAL INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT …
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What is claimed is: 1. A pressure powder metallurgy process for creating a rhenium alloy, comprising: providing a first powder of a refractory alloy; providing a second powder of at least a second metal, the second metal being partially or fully soluble with the refractory alloy; mixing the refractory alloy and second powder to provide a mixture; and heating …
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An alloy based on a refractory metal such as rhenium resists oxidation by th e inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resi st oxidation. The alloy includes oxidation resistant substances, such as solubl e metals, that attract oxygen and may form a …
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United States Patent 6749803 ... Laminated matrix composites: : Lackey et al. 428/220: ... rhenium is not necessarily wear-resistant. Rhenium metal melts at approximately 5756° F. (3180° C., 3453° Kelvin). However, rhenium begins to oxidize at a much lower temperature, of approximately 1000° F. (538° C., 811° K). ...
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It is known in the art that a composite of carbon fibers in a carbon matrix, i.e. carbon-carbon, is a material with exceptional high temperature strength. ... US US08/408,234 patent/US5577263A/en not_active Expired - Lifetime; ... Oxidation and wear resistant rhenium metal matrix composites US20030205944A1 (en) * 2002-05 …
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The addition of rhenium can lead to the further improvement of the tribological properties of Cr-Al 2 O 3 composites. Rhenium is a metal with a very high melting point (3186 °C) and high temporal stability, which is usually described as an extremely hard metal, completely unaffected by hydrochloric acid.
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La présente invention a trait à un composite à matrice métallique ou d'alliage à base d'un métal réfractaire tel que le rhénium résistant à l'oxydation par l'inclusion de substances d'alliage à affinité pour l'oxygène ou autre substances oxydantes. Le rhénium présente une excellente tenue à température élevée mais est oxydé à des températures nettement …
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Oxidation and wear resistant rhenium metal matrix composites US6946096B2 (en) : : Honeywell International, Inc. Use of powder metal sintering/diffusion bonding to enable applying silicon carbide or rhenium alloys to face seal rotors US6821313B2 (en) * :
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US5476531A US08/256,830 US25683094A US5476531A US 5476531 A US5476531 A US 5476531A US 25683094 A US25683094 A US 25683094A US 5476531 A US5476531 A US 5476531A Authority US United States Prior art keywords rhenium carbide percent composition tungsten carbide Prior art date Legal status …
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Oxidation resistant rhenium alloys Download PDF Info Publication number US6749803B2. US6749803B2 US10/138,087 US13808702A US6749803B2 US 6749803 B2 US6749803 B2 US 6749803B2 US 13808702 A US13808702 A US 13808702A US 6749803 B2 US6749803 B2 US 6749803B2 Authority US United States Prior art keywords rhenium
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An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a …
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US6749803B2 - Oxidation resistant rhenium alloys - Google Patents Oxidation resistant rhenium alloys Download PDF Info Publication number US6749803B2 ... United States Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the ...
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United States Patent 6749803 Abstract: An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen …
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The present invention relates to a metal matrix composite (MMC). ... Justia Patents Preheating US Patent for Metal matrix composite Patent (Patent # 9,803,265) Metal matrix composite . ... The ceramic particles typically provide the preform 20 with excellent stiffness and wear resistance and typically comprise an element from period …
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Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance but has a very high melting point as a pure metal and thus is difficult to use as a coating for many alloys having lower melting points. The reduced …
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Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance but has a very high melting point as a pure metal and thus is difficult to use as a coating for many alloys having lower melting points. The reduced …
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A method for making aerospace face seal rotors reinforced by rhenium metal, alloy, or composite in combination with silicon carbide or other ceramic. The resulting rotor also is disclosed. Ceramic grains, preferably silicon carbide (SiC), are mixed with powdered metallic (PM) binder that may be based on a refractory metal, preferably rhenium.
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In the present paper, the effect of phase composition on the tribological properties of the chromium-based composites was analyzed. The improvement of the …
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