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

bismuth NTE seriesbismuth based NTE materialsZ-BiNi1-xFexObismuth nickel iron oxideBi-Ni-Fe oxideBismuth Nickel Iron OxideBNFOBiNi1-xFexO3

Bukan apa

  • 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

Kesesuaian aplikasi

Selection & Validation Framework

Decision QuestionJawaban pada tingkat material
Material profile validationRequired for: Sistem Ekspansi Termal Negatif (NTE). 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

Nilai CAS/identitas, ukuran partikel, densitas, kemurnian, dan kemasan yang disetujui belum dipublikasikan; konfirmasikan saat penawaran atau peninjauan sampel.

SifatNilai
CompositionBiNi1-xFexO3 bismuth-nickel-iron oxide family
MorfologiBlack oxide ceramic powder
PenyimpananDry sealed container

Compare Material Routes

Material / RouteDecision Boundary
Framework NTE ceramicsA 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 GuideSummary
How Phase Purity and Composition Determine the Useful NTE Temperature WindowHow 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 MatricesIncorporating 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 AssembliesMeasuring 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 VariationQualifying 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.

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 Bismuth Based Series Sample / Qualification Review