Atomfair Tantalum Carbide (TaC) Powder, Ta(Nb)C ≥99.5%, FSSS ≤1.0 μm
Product Description
Atomfair tantalum carbide (TaC) powder is supplied as yellow-brown powder with Ta(Nb)C ≥99.5%, total carbon ≥6.20%, free carbon ≤0.10%, oxygen ≤0.35%, and FSSS ≤1.0 μm. It is intended for hard alloy additive research.
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Technical Specifications
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Customization & Ordering
Custom composition and particle-size requirements may be evaluated for selected grades upon request. Alternative package sizes may also be available. Minimum order quantities, pricing, and lead times vary by specification and will be confirmed during technical review and quotation.
Key Features and Advantages
- Defined composition and particle-size specification for hard alloy materials research.
- Source-defined chemical composition and impurity limits are listed for technical review.
- Powder format suitable for cermet or hard alloy additive research.
APPLICATION SCOPE: hard alloy additive research
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
LABORATORY PROCUREMENT SUPPORT
For grade selection, particle-size confirmation, documentation support or custom specification review, contact our technical sales team.
This powder is sensitive to oxygen and moisture exposure, which can alter surface chemistry and degrade performance in hard alloy applications. Storage under inert atmosphere and minimization of atmospheric contact are required to maintain specified purity and particle size.
- Oxygen Sensitivity: Oxygen content is limited to ≤0.35%, requiring storage in sealed containers under dry, inert gas to prevent oxidation.
- Moisture Sensitivity: Free carbon and total carbon specifications may be compromised by moisture adsorption, necessitating low-humidity handling environments.
- Particle Size Stability: FSSS ≤1.0 μm indicates high surface area, which increases reactivity and agglomeration risk if exposed to ambient air.
This powder must be handled in a glovebox or fume hood to avoid inhalation and atmospheric contamination. Proper storage under inert gas preserves chemical purity and particle size for hard alloy research.
Required Equipment: Inert-atmosphere glovebox or fume hood, Sealed container with inert gas purge, Personal protective equipment (gloves, safety goggles, lab coat)
- Prepare workspace
Set up an inert-atmosphere glovebox or fume hood and confirm all seals and gas lines are operational. - Don protective gear
Wear chemical-resistant gloves, safety goggles, and a lab coat before opening the container. - Open container under inert gas
Transfer the sealed container into the glovebox or fume hood and open it only under a continuous flow of inert gas. - Weigh required amount
Use a clean, dry spatula to transfer the powder into a pre-weighed, sealable vial, minimizing exposure time. - Reseal and store remainder
Immediately reseal the original container under inert gas and store in a dry, cool location away from oxidizers. - Decontaminate tools
Clean all tools and surfaces with a dry, lint-free cloth to remove residual powder before leaving the workspace.
What is the significance of the free carbon (≤0.10%) and oxygen (≤0.35%) limits in Atomfair TaC powder for hard alloy sintering?
The low free carbon and oxygen limits minimize the formation of undesirable carbide phases and oxides during sintering, ensuring phase purity and high densification. The product guarantees total carbon ≥6.20% and free carbon ≤0.10%, which is critical for maintaining stoichiometric TaC in hard alloy matrices. The oxygen limit of ≤0.35% prevents oxidation that could compromise mechanical properties.
How does the specified niobium content (≤0.30%) affect the lattice parameter and performance of TaC powder in hard alloy applications?
Niobium is controlled to ≤0.30% to maintain consistent phase composition. Nb can substitute into the TaC lattice, slightly altering lattice parameters and hardness, but the strict limit ensures predictable behavior in hard alloy research. The specification Ta(Nb)C ≥99.5% indicates the combined purity of TaC with Nb as a minor impurity.
What are the recommended handling and storage conditions for Atomfair TaC powder with submicron particle size (FSSS ≤1.0 μm) to prevent agglomeration and oxidation?
Store the powder in a sealed container under inert atmosphere (e.g., argon) in a dry, cool environment to prevent oxidation and moisture uptake, as the product specifies oxygen ≤0.35%. The fine particle size (≤1.0 μm) increases surface area, requiring careful handling to minimize dust generation and agglomeration. Use appropriate PPE and refer to the SDS available upon request for detailed handling guidelines.
Atomfair Tantalum Carbide (TaC) powder with ≥99.5% purity and FSSS ≤1.0 μm is suitable for hard alloy additive research, offering controlled impurity levels and fine particle size, though customization is limited to evaluated grades.
Positive
- High Purity with Controlled Impurities: Ta(Nb)C ≥99.5% with low free carbon (≤0.10%), oxygen (≤0.35%), and trace metal limits (Fe ≤0.06%, Ti ≤0.01%) ensures consistent composition for hard alloy additive research.
- Fine Particle Size for Sintering: FSSS ≤1.0 μm provides high surface area and uniform dispersion, beneficial for densification and homogeneity in cermet or hard alloy fabrication.
Trade-offs
- Limited Customization Flexibility: Custom composition and particle-size requirements are only evaluated for selected grades upon request, meaning off-the-shelf options are fixed and may not meet specialized research needs without prior technical review.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
