tantalum carbide addition

Spark plasma sintered tantalum carbide: Effect of pressure ...

Spark plasma sintered tantalum carbide: Effect of pressure and nano-boron carbide addition on microstructure and mechanical properties. Author links open overlay panel Srinivasa R. Bakshi a Vishal Musaramthota a Debrupa Lahiri a Virendra Singh b Sudipta Seal b Arvind Agarwal a. Show more. Share.

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Tantalum Carbides Request PDF

Wan Jae Lee. Yutaka Kubo. The effect of tantalum carbide or titanium carbide addition on the short-time creep-rupture strength of WC-Co alloy was studied at 700~900°C in relation to the carbon ...

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How is Tantalum Carbide Applied? – Magic Metal Tantalum

2019-10-31  At present, tantalum carbide powder and tantalum carbide whiskers have been prepared by carbothermal reduction, thermal plasma, solvothermal, sol-gel, microwave heating, alkali reduction, self-propagating high-temperature synthesis, and high-frequency induction heating sintering.

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Preparation and characterization of tantalum carbide (TaC ...

2015-9-1  Tantalum carbide (TaC) is a candidate for high-temperature use, such as that required for high-performance cutting tools, rocket nozzles, and aerospace propulsion systems, due to its high melting point (> 3800 °C),, high elastic modulus (537 GPa, a corrected value from the theoretical density), high Vickers hardness (> 9.4 GPa),,,,,,,,,, and superior thermal and chemical stability.

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GC-813CT

2021-6-9  The tantalum carbide addition efficiently withstands galling that often occurs during stamping of cold rolled steels or stainless steels and provides thermal edge deformation resistance. The corrosion-resistant additive exhibits high resistance to binder leaching during the EDM process as

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GC-411CT

2021-6-9  The tantalum carbide addition ensures the highest resistance to galling. The corrosion-resistant additive exhibits high resistance to binder leaching during the EDM process as well as . preventing latent, residual corrosion that may occur on the working surfaces of ools t being stored or f

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Flexible and refractory tantalum carbide-carbon ...

2017-8-1  Tantalum carbide has been widely used as an excellent refractory material. However, there are no reports regarding the continuous tantalum carbide-carbon nanofibers (TaC/CNFs) and their mechanical and electrical properties. In this work, TaC/CNFs were prepared by electrospinning.

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US9322113B2 - Tantalum carbide-coated carbon material

On the surface of a carbon substrate 41 , a tantalum carbide coating film 42 is formed to coat the carbon substrate 41 . The tantalum carbide coating film 42 has a maximum peak value of at least 80 degrees in an orientation angle of a ( 311 ) plane corresponding to a diffraction peak of tantalum carbide as determined by X-ray diffraction.

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Tantalum Carbide And Hafnium Carbide - ALB Materials Inc

2020-5-25  Tantalum 05/25/2020. tantalum carbide and hafnium carbide. Thermal Analysis of Tantalum Carbide-Hafnium Carbide Solid. The interest in tantalum carbide (TaC) and hafnium carbide (HfC) has been growing in recent years due to their extremely high melting points, high hardness.

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Tantalum Carbides Request PDF

Wan Jae Lee. Yutaka Kubo. The effect of tantalum carbide or titanium carbide addition on the short-time creep-rupture strength of WC-Co alloy was studied at 700~900°C in relation to the carbon ...

More

Spark plasma sintered tantalum carbide: Effect of pressure ...

Spark plasma sintered tantalum carbide: Effect of pressure and nano-boron carbide addition on microstructure and mechanical properties. Author links open overlay panel Srinivasa R. Bakshi a Vishal Musaramthota a Debrupa Lahiri a Virendra Singh b Sudipta Seal b Arvind Agarwal a. Show more. Share.

More

Hafnium Tantalum Carbide - ALB Materials Inc

2020-7-10  The addition of tantalum carbide (TaC) in the HfC matrix was studied to improve the microstructure. The microstructure of HfC, TaC, and co-deposited hafnium carbide-tantalum carbide (HfC/TaC) were comparable and consisted of large columnar grains.

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Tantalum Addition to Zirconium Diboride for Improved ...

2020-8-6  Additions can be either as the element, carbide, silicide or boride. Evidence that Ta additions to zirconia decrease conductivity is given by Ewaida et al9. The choice of tantalum as an additive to the diborides is not new. Wuchina et al looked at TaB additions to HfC, HfN, and HfB2. 10 They reported an increase in oxide scale density at 1500 ...

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Preparation and characterization of tantalum carbide (TaC ...

2015-9-1  Tantalum carbide (TaC) ceramics without sintering additives or transition metals were consolidated within a sintering temperature range of 1350–1900 °C using a resistance-heated hot-pressing technique.Dense TaC ceramics having relative density values above 98 vol.% were obtained at temperatures exceeding 1375 °C, and only the TaC phase with stoichiometric or closely stoichiometric ...

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US20100284895A1 - Tantalum carbide, method for

It is an object of the present invention to provide a method for manufacturing tantalum carbide which can form tantalum carbide having a prescribed shape using a simple method, can form the tantalum carbide having a uniform thickness even when the tantalum carbide is coated on the surface of an article and is not peeled off by a thermal history, tantalum carbide obtained by the manufacturing ...

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Tantalum Carbide And Hafnium Carbide - ALB Materials Inc

2020-5-25  Tantalum 05/25/2020. tantalum carbide and hafnium carbide. Thermal Analysis of Tantalum Carbide-Hafnium Carbide Solid. The interest in tantalum carbide (TaC) and hafnium carbide (HfC) has been growing in recent years due to their

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Synergistic reinforcement of carbon nanotubes and silicon ...

2016-3-1  Tantalum carbide (TaC) is an ultrahigh temperature ceramic, where low damage tolerance limits its potential application in propulsion sector. In this respect, current work focuses on enhancing the toughness of TaC based composites via synergistic reinforcement of SiC and carbon nanotubes (CNTs). Spark plasma sintering of TaC, reinforced with 15 vol% SiC and 15 vol% CNT (processed at 1850 °C ...

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Mechanical properties of tantalum carbide from high ...

1 Introduction . Transition-metal carbides (TMC) are candidate materials for ultra-high temperature ceramics (UHTC), due to their high melting points (2000–4000 °C), huge modulus and resistance to chemical attack. 1–3 Amongst UHTC materials, tantalum carbide, TaC, is a desirable candidate for next generation thermal heat protection, scramjet components, and rocket propulsion-exposed ...

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US9322113B2 - Tantalum carbide-coated carbon material

On the surface of a carbon substrate 41 , a tantalum carbide coating film 42 is formed to coat the carbon substrate 41 . The tantalum carbide coating film 42 has a maximum peak value of at least 80 degrees in an orientation angle of a ( 311 ) plane corresponding to a diffraction peak of tantalum carbide as determined by X-ray diffraction.

More

Hafnium Tantalum Carbide - ALB Materials Inc

2020-7-10  The addition of tantalum carbide (TaC) in the HfC matrix was studied to improve the microstructure. The microstructure of HfC, TaC, and co-deposited hafnium carbide-tantalum carbide (HfC/TaC) were comparable and consisted of large columnar grains.

More

Spark plasma sintered tantalum carbide: Effect of pressure ...

2011-1-25  Spark plasma sintered tantalum carbide: Effect of pressure and nano-boron carbide addition on microstructure and mechanical properties Article

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Tantalum Addition to Zirconium Diboride for Improved ...

2020-8-6  Additions can be either as the element, carbide, silicide or boride. Evidence that Ta additions to zirconia decrease conductivity is given by Ewaida et al9. The choice of tantalum as an additive to the diborides is not new. Wuchina et al looked at TaB additions to HfC, HfN, and HfB2. 10 They reported an increase in oxide scale density at 1500 ...

More

US20100284895A1 - Tantalum carbide, method for

It is an object of the present invention to provide a method for manufacturing tantalum carbide which can form tantalum carbide having a prescribed shape using a simple method, can form the tantalum carbide having a uniform thickness even when the tantalum carbide is coated on the surface of an article and is not peeled off by a thermal history, tantalum carbide obtained by the manufacturing ...

More

Tantalum Carbide And Hafnium Carbide - ALB Materials Inc

2020-5-25  Tantalum 05/25/2020. tantalum carbide and hafnium carbide. Thermal Analysis of Tantalum Carbide-Hafnium Carbide Solid. The interest in tantalum carbide (TaC) and hafnium carbide (HfC) has been growing in recent years due to their

More

Mechanical properties of tantalum carbide from high ...

1 Introduction . Transition-metal carbides (TMC) are candidate materials for ultra-high temperature ceramics (UHTC), due to their high melting points (2000–4000 °C), huge modulus and resistance to chemical attack. 1–3 Amongst UHTC materials, tantalum carbide, TaC, is a desirable candidate for next generation thermal heat protection, scramjet components, and rocket propulsion-exposed ...

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Rare-Earth Halides as Fluxes for the Synthesis of Tantalum ...

1997-2-18  While investigating the reported superconducting phase of Lu2Cl2C2-x, we discovered a novel synthetic route for making TaC and NbC. TaC and NbC are superconducting refractory carbides with a Tc of 10 and 12 K, respectively. TaC or NbC was initially found as impurity in reactions designed to produce Lu2Cl2C2-x. TaC and NbC can be prepared as single crystals by reacting Ta or Nb and C in

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In Situ Preparation of Micro–Nano Tantalum Carbide

2020-5-4  Tantalum carbide (TaC) has a high melting temperature (~ 3985°C), high hardness (2100 HV 0.05), excellent wear resistance, and superior thermal stability,1,2, – 3 resulting in its wide use in extreme high-temperature environments, e.g., in high-performance missile nozzles and aerospace propulsion systems.4, 5 In addition, TaC can be used as a reinforcing phase to strengthen aluminum, steel ...

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Pressureless sintering and properties of boron carbide ...

Boron carbide and Tantalum boride composites were prepared by pressureless sinter-ing of B 4C with addition of TaC powder. The effect of TaC addition on the sinter-ability of boron carbide was studied. High densified ceramic with a relative density of 98.7% was obtained at sintering temperature of 2250°C.

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THE VARIATION OF LATTICE PARAMETER WITH CARBON

2021-3-12  Transient liquid phase sintering of tantalum carbide ceramics by using silicon as the sintering aid and its effects on microstructure and mechanical properties. Materials Chemistry and Physics 2015, 149-150 , 505-511.

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