INDUSTRY COMPONENT

Aluminum Matrix

Aluminum matrix is the continuous metallic phase in aluminum matrix composites, providing structural integrity and thermal/electrical conductivity in hot-forged aluminum alloy billets.

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Component Specifications

Definition
The aluminum matrix refers to the continuous aluminum alloy phase that forms the primary structural component in aluminum matrix composites (AMCs). In hot-forged aluminum alloy billets, this matrix serves as the foundational metallic structure that incorporates reinforcement materials (such as ceramic particles or fibers) while maintaining metallurgical continuity. It determines the bulk mechanical properties, thermal conductivity (typically 120-220 W/m·K), and electrical conductivity (35-50% IACS) of the composite material.
Working Principle
The aluminum matrix functions as the continuous metallic phase that binds reinforcement materials through metallurgical bonding. During hot forging of aluminum alloy billets, the matrix undergoes plastic deformation while maintaining its continuous network structure, allowing stress transfer to reinforcements and providing ductility to the composite system. The matrix's face-centered cubic crystal structure enables good formability and toughness.
Materials
Primary aluminum (99.5-99.9% Al) or aluminum alloys (typically 2xxx, 6xxx, or 7xxx series), often with controlled trace elements (Si: 0.05-0.20%, Fe: 0.10-0.30%, Cu: 0.05-0.20%) to optimize matrix-reinforcement interface bonding.
Technical Parameters
  • Density 2.68-2.85 g/cm³
  • Hardness 40-120 HB
  • Elongation 5-25%
  • Melting Point 660°C (pure Al)
  • Yield Strength 40-500 MPa
  • Thermal Conductivity 120-220 W/m·K
  • Electrical Conductivity 35-50% IACS
Standards
ISO 209, ISO 6361, DIN 1725, ASTM B209

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aluminum Matrix.

aluminum matrix aluminum matrix composite AMC metal matrix aluminum alloy matrix composite matrix hot-forged billet aluminum phase metallic matrix Aluminum Matrix in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

Hot-Forged Aluminum Alloy Billet

Semi-finished aluminum alloy stock for hot forging processes.

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High-Purity Aluminum Ingot

Semi-finished aluminum with ≥99.7% purity for industrial manufacturing.

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Corrosion-Resistant Aluminum Alloy Sheet

Semi-finished aluminum alloy sheet with enhanced corrosion resistance for industrial tank fabrication.

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Engineering Analysis

Risks & Mitigation
  • Matrix-reinforcement interface debonding
  • Matrix cracking during thermal cycling
  • Galvanic corrosion with certain reinforcements
  • Inhomogeneous matrix distribution in composites
FMEA Triads
Trigger: Poor interface bonding between matrix and reinforcement
Failure: Premature composite failure under cyclic loading
Mitigation: Optimize matrix alloy composition and apply surface treatments to reinforcements
Trigger: Excessive matrix porosity from improper processing
Failure: Reduced mechanical properties and potential stress concentrations
Mitigation: Implement controlled atmosphere processing and proper degassing procedures
Trigger: Matrix grain growth during high-temperature exposure
Failure: Loss of strength and increased susceptibility to creep
Mitigation: Add grain refining elements (Ti, B) and control thermal processing parameters

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Chemical composition: ±0.5% for major elements, ±0.1% for trace elements; Density: ±0.05 g/cm³; Microstructural homogeneity: ≥95% uniform distribution
Test Method
Chemical analysis (ICP-OES), metallography (ASTM E3), density measurement (Archimedes method), microhardness testing (ASTM E384), SEM/EDS for interface analysis

Buyer Feedback

★★★★☆ 4.8 / 5.0 (29 reviews)

"Standard OEM quality for Basic Metal Manufacturing applications. The Aluminum Matrix arrived with full certification."

"Great transparency on the Aluminum Matrix components. Essential for our Basic Metal Manufacturing supply chain."

"The Aluminum Matrix we sourced perfectly fits our Basic Metal Manufacturing production line requirements."

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Frequently Asked Questions

What is the difference between aluminum matrix and aluminum alloy?

Aluminum matrix specifically refers to the continuous aluminum phase within a composite material that contains reinforcements, while aluminum alloy is a homogeneous metallic material without intentional reinforcement phases.

Why is aluminum matrix important in hot-forged billets?

The aluminum matrix provides ductility and toughness to the composite system during hot forging operations, allowing plastic deformation while maintaining structural integrity and proper stress transfer to reinforcement materials.

How does matrix composition affect composite properties?

Matrix composition controls interface bonding with reinforcements, corrosion resistance, thermal expansion coefficient, and the balance between strength and ductility in the final composite material.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Aluminum Alloying Element Aluminum Trace