Description

Niobium Silicide is an advanced inorganic compound known for its exceptional high-temperature stability and resistance to oxidation. This material is critical for applications demanding superior thermal and mechanical performance in extreme environments. It is primarily utilized in the aerospace, electronics, and advanced ceramics industries for components such as heating elements, diffusion barriers, and reinforcing phases in composite materials.

Application

• High-Temperature Structural Components: Used in aerospace and turbine engines for parts requiring stability under extreme heat.
• Diffusion Barriers in Microelectronics: Acts as a protective layer in semiconductor devices to prevent interdiffusion of metals.
• Reinforcing Phase in Composites: Enhances the mechanical strength and thermal shock resistance of ceramic and metal matrix composites.
• Heating Elements: Employed in high-temperature industrial furnaces due to its excellent electrical conductivity and oxidation resistance.
• Coatings for Oxidation Protection: Applied as a protective coating on niobium and other refractory metals to improve service life in oxidizing atmospheres.
• Research & Development: Serves as a precursor or intermediate in materials science research for developing new intermetallic compounds and alloys.

Basic Information

Product Name	Niobium Silicide
CAS No.	12060-34-3
Molecular Formula	NbSi2
Molecular Weight	149.08 g/mol
Synonyms	Niobium Disilicide; Silicon Niobide; Niobium(IV) Silicide; Niobium Silicon Alloy; NbSi2; Niobosilicide; Diniobium Pentasilicide (Nb2Si5); Niobium Silicon Compound
EINECS	235-062-5

Quality Control

Our Niobium Silicide is manufactured under controlled conditions and undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. We provide comprehensive Certificates of Analysis (COA) detailing purity, particle size distribution, and metallic impurity levels. Our quality system is designed to meet the stringent requirements of advanced material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere such as argon or nitrogen for long-term storage to prevent oxidation and moisture absorption.

Specification

Item	Specification
Appearance	Gray to black powder
Assay (NbSi2)	≥ 99.5%
Particle Size (D50)	1-10 µm (customizable)
Oxygen Content	≤ 0.5%
Metallic Impurities (Fe, Al, Cr, etc.)	≤ 500 ppm (total)
Bulk Density	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.