行业组件数据 · 2026

初级锌基体

Primary zinc matrix is the foundational zinc-rich phase in zinc-aluminum master alloys, providing structural integrity and corrosion resistance for industrial applications.

技术定义与适配语境
典型 初级锌基体 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 primary zinc matrix refers to the continuous zinc-dominated metallic phase that forms the structural backbone of zinc-aluminum master alloys. This matrix typically contains 85-95% zinc by weight and serves as the host for aluminum and other alloying elements. In industrial-grade high-purity zinc-aluminum master alloys, this matrix is engineered to maintain consistent crystalline structure, uniform elemental distribution, and predictable solidification behavior during casting processes. The matrix composition directly influences mechanical properties, corrosion resistance, and processing characteristics of the final alloy product.

组件规格

定义
The primary zinc matrix refers to the continuous zinc-dominated metallic phase that forms the structural backbone of zinc-aluminum master alloys. This matrix typically contains 85-95% zinc by weight and serves as the host for aluminum and other alloying elements. In industrial-grade high-purity zinc-aluminum master alloys, this matrix is engineered to maintain consistent crystalline structure, uniform elemental distribution, and predictable solidification behavior during casting processes. The matrix composition directly influences mechanical properties, corrosion resistance, and processing characteristics of the final alloy product.
工作原理
The primary zinc matrix operates on metallurgical principles where zinc forms the continuous phase that dissolves and distributes aluminum atoms within its crystalline lattice. During solidification, zinc crystallizes first, creating a dendritic structure that controls grain size and prevents segregation. The matrix provides sacrificial corrosion protection through galvanic action while maintaining dimensional stability through controlled thermal expansion coefficients. Its electrochemical properties enable uniform current distribution in plating applications.
材料
High-purity zinc (Zn ≥ 99.995%)Aluminum (Al 4-10%)Trace elements: Lead (Pb ≤ 0.003%)Cadmium (Cd ≤ 0.002%)Iron (Fe ≤ 0.002%)Copper (Cu ≤ 0.001%)
Density
6.6-7.0 g/cm³
Hardness
40-60 HB
Elongation
10-25%
Grain Size
ASTM 5-7
Zinc Content
85-95%
Melting Point
419-450°C
Aluminum Content
4-10%
Tensile Strength
120-180 MPa
Thermal Conductivity
110-125 W/m·K
Electrical Conductivity
28-32% IACS
标准
ISO 301ISO 752ASTM B240DIN 1743EN 1774

行业分类与别名

初级锌基体 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

Inadequate temperature control during melting->Zinc vaporization and composition deviation->Implement precise temperature monitoring with ±5°C control and use protective atmosphere during processing
Impurity contamination from raw materials->Reduced corrosion resistance and mechanical properties->Enforce strict material certification and implement spectroscopic analysis for each batch
Rapid cooling during solidification->Microporosity and shrinkage defects in matrix->Control cooling rate at 10-20°C/minute and use directional solidification techniques

工业生态与工程逻辑

0
Zinc vapor formation above 500°C
1
Intergranular corrosion in chloride environments
2
Dimensional instability during thermal cycling
3
Aluminum segregation during improper solidification

合规与检测

tolerance
Chemical composition: ±0.5% for major elements, ±0.05% for trace elements; Dimensional: ±1.5% of specified values
test method
Spectrochemical analysis (ASTM E1479), Metallographic examination (ASTM E3), Corrosion testing (ASTM G31), Mechanical testing (ASTM E8/E21)

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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 primary function of the zinc matrix in zinc-aluminum alloys?

The primary zinc matrix serves as the structural foundation that provides dimensional stability, controls solidification behavior, and enables sacrificial corrosion protection through its electrochemical properties.

How does zinc purity affect matrix performance?

High-purity zinc (≥99.995%) ensures minimal impurity interference, resulting in consistent crystalline structure, predictable mechanical properties, and enhanced corrosion resistance in the final alloy product.

What industries commonly use zinc-aluminum master alloys with primary zinc matrix?

Automotive manufacturing (die-cast components), construction (galvanized steel), electrical equipment (conductive parts), and general metal fabrication industries utilize these alloys for corrosion resistance and structural applications.

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URN:CNFX:ME:UNIT:PRIMARY_ZINC_MATRIX