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(Ti1/3Nb1/3Ta1/3)2AlC Medium-Entropy MAX Phase Ceramic Material, Type 211, 5 g
Product Type: MAX phase ceramic powder
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For material selection, specification confirmation and package-size quotation support, contact our technical sales team.
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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What is the exact composition and phase type of the (Ti1/3Nb1/3Ta1/3)2AlC medium-entropy MAX phase powder?
The product is a medium-entropy MAX phase of the 211 type (M2AX stoichiometry) with the formula (Ti1/3Nb1/3Ta1/3)2AlC. The M-site is occupied by equal molar fractions of titanium, niobium, and tantalum, and the powder is supplied as a black powder with 90% purity and a particle size range of 1–35 μm in a 5 g package.
How does the 90% purity specification affect the suitability of this MAX phase powder for research applications?
The 90% purity indicates that the powder contains the target (Ti1/3Nb1/3Ta1/3)2AlC phase along with minor secondary phases, which is typical for research-grade MAX phase materials. The 1–35 μm particle size distribution provides flexibility for various processing routes such as sintering or composite fabrication, but researchers should consider the impurity level when interpreting phase evolution or property measurements.
What does the '211' type designation mean for this MAX phase ceramic material?
The '211' type refers to the M2AX stoichiometry, where M is a transition metal (here Ti, Nb, Ta), A is aluminum, and X is carbon. This layered hexagonal structure, characteristic of MAX phases, gives the material a unique combination of ceramic and metallic properties. The product is specifically a medium-entropy variant of the 211 type, with the M-site shared among three elements.
This (Ti1/3Nb1/3Ta1/3)2AlC medium-entropy MAX phase ceramic powder (Type 211, 90% purity, 1-35 µm, 5 g) offers a quaternary composition that may provide enhanced mechanical and thermal stability over binary MAX phases, but the 90% purity level and broad particle size distribution introduce constraints for applications requiring high phase purity or narrow size control.
Positive
- Medium-entropy composition advantage: The equimolar Ti, Nb, and Ta substitution on the M-site in this 211-type MAX phase may improve high-temperature oxidation resistance and mechanical properties compared to single-metal MAX phases, as medium-entropy ceramics often exhibit enhanced lattice distortion and thermodynamic stability.
- Research-grade material form: Supplied as a black powder with 1-35 µm particle size, this form is directly suitable for solid-state synthesis, spark plasma sintering, or thin-film deposition studies without additional milling for most laboratory-scale investigations.
Trade-offs
- Limited purity at 90%: The 90% purity specification indicates the presence of secondary phases or unreacted precursors, which may interfere with property measurements or require post-synthesis purification for applications demanding high phase purity, such as electronic or catalytic studies.
- Broad particle size distribution: The 1-35 µm size range introduces significant polydispersity, which can lead to inconsistent sintering behavior or non-uniform film thickness in processing, necessitating sieving or classification for experiments requiring narrow size distributions.
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).
