What is Bismuth Based Series?
Bismuth Based Series
Bismuth Based Series is a BiNi1-xFexO3 bismuth-nickel-iron oxide material family whose large negative expansion is localized to a grade-dependent phase-transition range.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-25
What It Is Not
- Bismuth Based Series is not one chemical substance or grade; it is a material-family grouping that requires product-specific identity.
When Not to Use It
- Do not use the Bismuth Based Series family label for qualification or purchasing when an exact composition, phase, and grade has not been selected.
- Do not specify a continuous 350 °C hold or aqueous processing outside pH 7-10 without grade-specific stability validation.
Intrinsic Screening Summary
- Identity screen
- BiNi1-xFexO3 bismuth-nickel-iron oxide family; Black oxide ceramic powder
Application Fit
Selection & Validation Framework
| Decision Question | Material-Level Answer |
|---|---|
| Material profile validation | Required for: Negative Thermal Expansion (NTE) Systems. Measure: identity; handling state; application acceptance criteria. Sample state: final host formulation or part state. Failure signals: application target is unmet; host compatibility is unresolved. |
Material Identity & Specification Status
Approved values for CAS / identity, Particle size, Density, Purity, and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | BiNi1-xFexO3 bismuth-nickel-iron oxide family |
| Morphology | Black oxide ceramic powder |
| Storage | Dry sealed container |
Compare Material Routes
| Material / Route | Decision Boundary |
|---|---|
| Framework NTE ceramics | A phase-transition route can provide a much larger negative CTE magnitude within its selected transition interval. The useful interval is grade-dependent and narrower than a framework route; exact composition, transition range, cycling response, and host-composite behavior require grade-specific validation. |
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 — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices | Incorporating Zirconium, Vanadate, and Bismuth-Based NTE Materials into Host Matrices — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies | Measuring Effective CTE in Powders, Pellets, Composites, Coatings, and Joined Assemblies — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
| Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation | Qualifying NTE Materials for Thermal Cycling, Dimensional Stability, and Production Variation — a method-conditioned engineering guide for Negative Thermal Expansion (NTE) Systems covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
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.
Documents & Inquiry
Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.
Technical Data Sheet
Request required
Safety Data Sheet
Request required
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 Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.
Request Bismuth Based Series Sample / Qualification Review