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Ultrahigh Temperature Ceramic Coatings - Ultramet

2021-1-4 · For less oxidizing applications that experience higher temperatures, Ultramet can apply hafnium carbide, tantalum carbide, or zirconium carbide as coatings or matrices within composites. Properties of Selected Ultrahigh Temperature Ceramic Coating. Melting point Emittance at 1800 K (2780°F, 1527°C)

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System of Registries | US EPA

Hafnium tantalum carbide (Hf0.2Ta0.8C) Valid: Active EPA Applications/Systems. Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

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Niobium Hafnium Tantalum Vanadium Alloys

2 daysbefore · ATI produces Niobium, Hafnium, Tantalum, Vanadium Alloys and Parts. ATI's process yields metal of the highest purity on the market today, serving the full range of applications.

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Influence of hafnium carbide on vacuum plasma spray ...

2013-6-1 · The formation of the tantalum-rich carbide Ta 2 C and Ta 4 C 3 phases at lower HfC contents was explained from the carbon loss intrinsic to VPS processing. The stabilization of the TaC phase at higher HfC contents is contributed to the thermodynamic influence of hafnium in the ternary tantalum–hafnium–carbon system.

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Hafnium: Small Supply, Big Applications | ETF.com

Among other applications, niobium-based alloys containing hafnium have been used as coatings for cutting tools, while C-103 and hafnium-tantalum-carbide have been used in the fabrication of rocket ...

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Effect of tantalum carbide on the ablation behaviors …

2020-10-25 · Among these UHTCs, hafnium carbide (HfC) is featured with high melting point, high hardness and pleasurable phase stability , and thus captures the most focus. Besides, the melting point of hafnium oxide (HfO 2 ) is as high as 3100 K and meanwhile it owns relatively low vapor pressure [ 13 ], which also benefits the ablation protection of C/C ...

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Plastic flow and fracture of tantalum carbide and …

Plastic flow and fracture of tantalum carbide and hafnium carbide at low temperatures

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Hafnium carbide powder>cemented carbide …

2020-12-8 · Hafnium carbide powder with high surface actitivy thermostablly, osidation resistance, intensity high,degree of hardness high, the thermal conductivity is good, high temperature structureal material, very suitable for rocket nozzle, can amake to return to the atmosphere space rocket nose cone parts, used in ceramic industry.

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Hafnium and Tantalum Carbide Survives (very nearly) …

2017-1-13 · More on topic, a Hafnium Tantalum Carbide heat shield could protect probes that were very close to the sun. The sun's surface temperature is ~5,600c, but a solar probe should be able to get really close before the heat shield failed. True. This suggests a heat shield with heat pipe loops leading to radiators (preferably at a slight internal ...

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Hafnium and Tantalum Carbide Survives (very nearly) …

2017-1-13 · More on topic, a Hafnium Tantalum Carbide heat shield could protect probes that were very close to the sun. The sun's surface temperature is ~5,600c, but a solar probe should be able to get really close before the heat shield failed. True. This suggests a heat shield with heat pipe loops leading to radiators (preferably at a slight internal ...

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Sol–Gel Synthesis of Highly Dispersed Tantalum …

Powders of nanocrystalline carbide Ta4HfC5 were produced by the sol–gel synthesis of a finely divided Ta2O5–HfO2–C composite powder (with tantalum pentaamyloxide and hafnium acetylacetonate as precursors and a phenolformaldehyde resin as a carbon source) with subsequent low-temperature carbothermal synthesis (1200–1300°C, 2–4 h, dynamic vacuum).

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Tantalum Hafnium Carbide Alloy Archives | Refractory ...

Tantalum Hafnium Carbide Alloy (3990℃) Tantalum hafnium carbide […] Tags: Diamond , Graphite , HIGH-TEMPERATURE METALS , Materials with the Highest Melting Point , Osmium , pure metals , Refractory Metals , rhenium , Silicon carbide , tantalum carbide , Tantalum Hafnium Carbide Alloy , Titanium Boride , Titanium carbide , Top 10 Materials ...

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Tantalum hafnium carbide 71243-79-3, China …

We,China Tantalum hafnium carbide 71243-79-3 Suppliers and China Tantalum hafnium carbide 71243-79-3 Manufacturers, provide Tantalum hafnium carbide 71243-79-3 product and the products related with China Tantalum hafnium carbide 71243-79-3

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Tantalum hafnium carbide | Cerámica Wiki | Fandom

2020-12-26 · Tantalum hafnium carbide (Ta4HfC5) is a refractory compound with the highest melting point of all known compounds--4488 K (4215 °C, 7619 °F).1 It is the only known material that can not be welded with the atomic hydrogen welding method, which was developed by Irving Langmuir. As tantalum carbide and hafnium carbide, tantalum hafnium carbide is considered one of the hardest materials …

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Tantalum hafnium carbide - Wikipedia

2020-11-21 · Tantalum hafnium carbide is a refractory chemical compound with a general formula Ta x Hf y-x C y, which can be considered as a solid solution of tantalum carbide and hafnium carbide. Tantalum hafnium carbide Identifiers CAS Number.

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Tantalum hafnium carbide - Wikipedia

2020-11-21 · Tantalum hafnium carbide is a refractory chemical compound with a general formula Ta x Hf y-x C y, which can be considered as a solid solution of tantalum carbide and hafnium carbide. Tantalum hafnium carbide Identifiers CAS Number.

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Tantalum Hafnium Carbide - powdertoy.co.uk

well, the tantalum part might be fictional, but the hafnium carbide part is not, many drill bits have a titanium hafnium carbide film at the end, it keeps the bit from dulling quickly when drilling through metal. cool suggestion, though

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Tantalum Carbides | SpringerLink

Jun CK, Shaffer PTB (1971) Thermal expansion of niobium carbide, hafnium carbide and tantalum carbide at high temperatures. J Less-Common Met 24(3):323–327 Google Scholar. 97. Lönnberg B (1986) Thermal expansion studies on the subcarbides of group V and VI transition metals.

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Tantalum Carbides | SpringerLink

Jun CK, Shaffer PTB (1971) Thermal expansion of niobium carbide, hafnium carbide and tantalum carbide at high temperatures. J Less-Common Met 24(3):323–327 Google Scholar. 97. Lönnberg B (1986) Thermal expansion studies on the subcarbides of group V and VI transition metals.

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"Processing development of 4TaC-HfC and related …

2013-5-30 · Tantalum hafnium carbide (Ta4HfC5) is a 4-to-1 ratio of TaC to HfC with an extremely high melting point of 4215 K (3942˚C), which is the highest melting point of all currently known compounds. Due to the properties of these carbides, they are considered candidates for extremely high-temperature applications such as rocket nozzles and scramjet ...

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AEM Metal - Refractory Metal Materials Manufacturer!

2020-12-28 · AEM Metal - refractory metal materials manufacturer and supplier in China! Supply W, Mo, Ta, Nb, V, Cr, Ti, Zr, Hf, Re refractory metal materials for the world!

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Tantalum Carbide for Spacecraft | Tantalum Carbide …

Tantalum carbide (TaC) and hafnium carbide (HfC) are refractory ceramics, meaning they are extraordinarily resistant to heat. Their ability to withstand extremely harsh environments means that refractory ceramics could be used in thermal protection systems on high-speed vehicles and as fuel cladding in the super-heated environments of nuclear ...

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Leading-Edge Ceramic Products - matechgsm.com

2012-4-20 · MATECH is developing structural ceramic fibers from silicon carbide, silicon nitride/carbide, silicon oxycarbide, tantalum carbide, and hafnium carbide. Preceramic polymer derived "green" fiber is produced and wound continuously, as illustrated above. MATECH's control over the rheological behavior of its preceramic polymers allows for easy melt ...

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Leading-Edge Ceramic Products - matechgsm.com

2012-4-20 · MATECH is developing structural ceramic fibers from silicon carbide, silicon nitride/carbide, silicon oxycarbide, tantalum carbide, and hafnium carbide. Preceramic polymer derived "green" fiber is produced and wound continuously, as illustrated above. MATECH's control over the rheological behavior of its preceramic polymers allows for easy melt ...

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Bay Carbon Inc. : Tantalum Carbide Coating

Tantalum Carbide Coating . Definition: Tantalum Carbide is a compound of tantalum and carbon with a chemical formula TaC. The coating is an extremely hard, refractory ceramic material, with a metallic electrical conductivity. The melting point of Tantalum Carbides peaks at about 3880°C depending on purity and has one of the highest melting points among the binary compounds.