What is Zirconium Tungstate?
Zirconium Tungstate
Zirconium Tungstate (ZrW2O8) for Sistem Ekspansi Termal Negatif (NTE), with inorganic particles.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-25
Bukan apa
- Zirconium Tungstate is ZrW2O8, not zirconium tungstate phosphate or zirconium sulfate phosphate.
When Not to Use It
- Do not interpret the broad intrinsic literature NTE range as a continuous product service-temperature rating; 350 °C is a transient peak only for the supplied powder.
- Do not use ZrW2O8 without checking phase retention, dwell time, atmosphere, moisture, composite interface, and processing stability against the target CTE design.
- Do not use the material in aqueous processing outside pH 7-10 without surface-stability validation.
Intrinsic Screening Summary
- Identity screen
- ZrW2O8; White cubic framework oxide powder
- Intrinsic feature
- Low-energy framework modes contract the lattice on heating. The alpha-to-beta transition changes the NTE magnitude, while dwell time, atmosphere, matrix reaction, particle state, and phase retention govern whether research behavior survives processing.
- Material-level integration
- Track ZrW2O8 phase, particle-size distribution, host-matrix reaction, loading, dispersion, thermal history, and post-process CTE retention. Treat broad intrinsic research temperature ranges as measurement context, not service ratings for the supplied grade.
Kesesuaian aplikasi
Selection & Validation Framework
| Decision Question | Jawaban pada tingkat material |
|---|---|
| Integration and processing criteria | Required for: Sistem Ekspansi Termal Negatif (NTE). Measure: composition and crystal phase; temperature-conditioned CTE; particle distribution; density and porosity; settling; redispersion; storage stability; moisture exposure; pH exposure and surface retention. Sample state: final host formulation or part state. Failure signals: Request approved data. |
Material Identity & Specification Status
Nilai ukuran partikel, kemurnian, dan kemasan yang disetujui belum dipublikasikan; konfirmasikan saat penawaran atau peninjauan sampel.
| Sifat | Nilai |
|---|---|
| Composition | ZrW2O8 |
| CAS / identity | 16853-74-0 |
| Morfologi | White cubic framework oxide powder |
| densitas | 5.09 g/cm3 |
| Penyimpanan | Dry sealed container |
Why It Works
| Struktur | Fungsi | Mekanisme |
|---|---|---|
| Cubic ZrW2O8 framework oxide; alpha and beta forms are separated by an order-disorder transition near 431 K. | Isotropic NTE route for CTE control in a compatible host matrix. | Low-energy framework modes contract the lattice on heating. The alpha-to-beta transition changes the NTE magnitude, while dwell time, atmosphere, matrix reaction, particle state, and phase retention govern whether research behavior survives processing. |
Compare Material Routes
| Material / Route | Decision Boundary |
|---|---|
| Zirconium Tungstate Phosphate | Zirconium Tungstate is the ZrW2O8 framework oxide with a well-documented intrinsic isotropic NTE mechanism. Zirconium Tungstate Phosphate is Zr2WP2O12, a distinct phosphate-bearing framework. CAS, density, phase behavior, processing history, and CTE evidence must remain material-specific. |
Technical Guides
| Technical Guide | Summary |
|---|---|
| How Phase Purity and Composition Determine the Useful NTE Temperature Window | How Phase Purity and Composition Determine the Useful NTE Temperature Window — panduan rekayasa berbasis metode untuk Sistem Ekspansi Termal Negatif (NTE) yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
| Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices | Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices — panduan rekayasa berbasis metode untuk Sistem Ekspansi Termal Negatif (NTE) yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
| Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies | Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies — panduan rekayasa berbasis metode untuk Sistem Ekspansi Termal Negatif (NTE) yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
| Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation | Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation — panduan rekayasa berbasis metode untuk Sistem Ekspansi Termal Negatif (NTE) yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
Commercial Availability
Supplier role: Request confirmation
Supply status: Request confirmation
Sample status: Sample availability requires confirmation
Commercial details are not published until the source and verification fields are complete and the Supplier Data Packet is signed by the sales owner, technical reviewer, and resource/compliance owner. Request current grade, form, sample, packaging, and delivery confirmation.
Dokumen dan permintaan
Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.
Lembar data teknis
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Lembar data keselamatan
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Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Kemampuan laboratorium for sample evaluation and qualification support, or Kemampuan produksi for scale-up, quality, documentation, and supply support.
Request Zirconium Tungstate Sample / Qualification Review