行业组件数据 · 2026

铝基体

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

技术定义与适配语境
典型 铝基体 会按材料、尺寸公差、适配关系和失效风险在 基础金属制造 中评估。

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.

组件规格

定义
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.
工作原理
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.
材料
Primary aluminum (99.5-99.9% Al) or aluminum alloys (typically 2xxx6xxxor 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.
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
标准
ISO 209ISO 6361DIN 1725ASTM B209

行业分类与别名

铝基体 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Poor interface bonding between matrix and reinforcement->Premature composite failure under cyclic loading->Optimize matrix alloy composition and apply surface treatments to reinforcements
Excessive matrix porosity from improper processing->Reduced mechanical properties and potential stress concentrations->Implement controlled atmosphere processing and proper degassing procedures
Matrix grain growth during high-temperature exposure->Loss of strength and increased susceptibility to creep->Add grain refining elements (Ti, B) and control thermal processing parameters

工业生态与工程逻辑

0
Matrix-reinforcement interface debonding
1
Matrix cracking during thermal cycling
2
Galvanic corrosion with certain reinforcements
3
Inhomogeneous matrix distribution in composites

合规与检测

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

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

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.

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URN:CNFX:ME:UNIT:ALUMINUM_MATRIX