Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Carbon Aggregate Matrix Component – Basic Metal Manufacturing

Q: What is the primary function of the carbon aggregate matrix in electrode paste columns?

The carbon aggregate matrix provides both electrical conductivity and structural support within electrode paste columns, enabling efficient current transfer while maintaining mechanical stability under operational conditions.

Q: How does particle size distribution affect matrix performance?

Proper particle size distribution (typically 0.1-10mm) ensures optimal packing density, creating a continuous conductive network while maintaining necessary porosity for gas diffusion and thermal management.

Component Specifications

Definition

The carbon aggregate matrix is a critical component within electrode paste columns used in industrial applications such as electric arc furnaces and electrolysis cells. It consists of carbonaceous materials (typically petroleum coke, anthracite, or graphite) bound together with a pitch binder to form a porous, conductive structure. This matrix serves as the primary current-carrying element while maintaining structural integrity under high temperatures and mechanical stresses.

Working Principle

The carbon aggregate matrix operates on the principle of electrical conductivity through interconnected carbon particles, creating a continuous path for current flow. During operation, it withstands thermal expansion and chemical reactions by maintaining a stable porous structure that allows for gas diffusion and thermal management.

Materials

Primary materials include calcined petroleum coke (carbon content >98%), coal tar pitch binder (softening point 80-120°C), and optionally graphite or anthracite additives. Particle size distribution: 0.1-10mm. Binder content: 15-25% by weight.

Technical Parameters

Porosity 15-25%
Ash Content <5%
Compressive Strength 25-40 MPa
Thermal Conductivity 10-25 W/m·K
Electrical Resistivity 30-60 μΩ·m
Maximum Operating Temperature 1500°C

Standards

ISO 8004, ISO 11713, DIN 51904

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Carbon Aggregate Matrix.

Parent Products

This component is used in the following industrial products

Electrode Paste Column

Preformed carbon electrode component for submerged arc furnaces in ferroalloy production.

View Product Details

Engineering Analysis

Risks & Mitigation

Thermal degradation at excessive temperatures
Structural failure due to improper binder content
Increased electrical resistance from contamination

FMEA Triads

Trigger: Insufficient binder content or improper mixing
Failure: Structural collapse under mechanical stress
Mitigation: Implement strict quality control on binder ratios and mixing procedures

Trigger: Contamination with metallic impurities
Failure: Increased electrical resistance and localized overheating
Mitigation: Use purified raw materials and implement contamination prevention protocols

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±2% on electrical resistivity, ±5% on compressive strength

Test Method

ISO 8004 for electrical properties, ISO 11713 for mechanical properties

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Related Components

Refractory Liner

Refractory liner for molten metal flow control valves, providing thermal insulation and erosion resistance in extreme temperature applications.

Rotary Impeller

A high-speed rotating impeller used in molten metal degassing systems to inject inert gases and remove impurities.

Probe Assembly

High-temperature sampling probe for molten metal composition analysis in metallurgical processes

Level Sensor

Level sensor for continuous monitoring of molten metal height in industrial furnaces and casting systems.

Frequently Asked Questions

What is the primary function of the carbon aggregate matrix in electrode paste columns?

The carbon aggregate matrix provides both electrical conductivity and structural support within electrode paste columns, enabling efficient current transfer while maintaining mechanical stability under operational conditions.

How does particle size distribution affect matrix performance?

Proper particle size distribution (typically 0.1-10mm) ensures optimal packing density, creating a continuous conductive network while maintaining necessary porosity for gas diffusion and thermal management.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Carbon Aggregate Matrix