INDUSTRY COMPONENT

Silicon Element

Silicon element as a critical component in molybdenum disilicide powder production for high-temperature industrial applications.

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Component Specifications

Definition
Silicon (Si) is a metalloid element with atomic number 14, serving as the primary silicon source in high-purity molybdenum disilicide (MoSi2) powder manufacturing. In this context, silicon is processed to achieve purity levels exceeding 99.9% and combined with molybdenum through powder metallurgy techniques to create MoSi2, which exhibits exceptional oxidation resistance and stability at temperatures up to 1700°C.
Working Principle
Silicon atoms bond with molybdenum atoms in a 2:1 stoichiometric ratio to form molybdenum disilicide (MoSi2) through high-temperature synthesis. The silicon provides the necessary silicon content for creating the protective silica (SiO2) layer that forms on MoSi2 surfaces at elevated temperatures, enabling its use as heating elements in industrial furnaces.
Materials
High-purity silicon (≥99.9% Si) with controlled particle size distribution (typically 1-10 μm), low oxygen content (<0.1%), and minimal metallic impurities (Fe, Al, Ca < 100 ppm each).
Technical Parameters
  • Purity ≥99.9%
  • Bulk Density 0.8-1.2 g/cm³
  • Particle Size 1-10 μm
  • Oxygen Content <0.1%
  • Metallic Impurities <100 ppm each
  • Specific Surface Area 2-5 m²/g
Standards
ISO 4497, ASTM B214, DIN 66165

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Silicon Element.

silicon element high-purity silicon MoSi2 powder molybdenum disilicide industrial heating elements powder metallurgy high-temperature materials Silicon Element in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

High-Purity Molybdenum Disilicide Powder

Ultra-fine refractory metal silicide powder for high-temperature industrial applications.

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Engineering Analysis

Risks & Mitigation
  • Silicon dust explosion hazard during handling
  • Moisture absorption affecting powder properties
  • Impurity contamination during processing
FMEA Triads
Trigger: Inadequate purity control during silicon refining
Failure: Reduced oxidation resistance of MoSi2 heating elements
Mitigation: Implement strict incoming material inspection with ICP-OES analysis
Trigger: Improper particle size distribution
Failure: Incomplete reaction with molybdenum during synthesis
Mitigation: Use laser diffraction particle size analysis with real-time feedback control

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5% on silicon content, ±1 μm on particle size D50
Test Method
ICP-OES for purity, laser diffraction for particle size, BET for surface area

Buyer Feedback

★★★★☆ 4.9 / 5.0 (36 reviews)

"Testing the Silicon Element now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Basic Metal Manufacturing sector, I confirm this Silicon Element meets all ISO standards."

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Frequently Asked Questions

Why is high purity critical for silicon in MoSi2 production?

High purity (≥99.9%) ensures minimal impurity phases that could degrade the oxidation resistance and mechanical properties of MoSi2 at elevated temperatures.

What particle size range is optimal for silicon in MoSi2 synthesis?

1-10 μm particle size provides optimal reactivity with molybdenum while maintaining good flow characteristics for powder processing.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Silica Base Silicon Matrix