行业组件数据 · 2026

银痕合金

Silver Trace Alloy is a specialized copper-based material with silver traces for enhanced electrical conductivity in high-purity busbar applications.

技术定义与适配语境
典型 银痕合金 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

Silver Trace Alloy is a high-performance copper alloy containing controlled silver trace elements (typically 0.03-0.10% by weight) specifically engineered for electrical busbar systems. This material combines the excellent bulk conductivity of high-purity copper with the surface conductivity enhancement provided by silver migration, resulting in superior current-carrying capacity, reduced contact resistance, and improved thermal stability in high-power electrical distribution applications.

组件规格

定义
Silver Trace Alloy is a high-performance copper alloy containing controlled silver trace elements (typically 0.03-0.10% by weight) specifically engineered for electrical busbar systems. This material combines the excellent bulk conductivity of high-purity copper with the surface conductivity enhancement provided by silver migration, resulting in superior current-carrying capacity, reduced contact resistance, and improved thermal stability in high-power electrical distribution applications.
工作原理
The alloy operates on the principle of controlled silver migration to the surface during thermal cycling, creating a conductive silver-rich layer that reduces surface oxidation and maintains low contact resistance. The copper matrix provides bulk conductivity while silver traces enhance surface properties through solid-state diffusion mechanisms.
材料
High-purity copper (Cu ≥ 99.95%) with silver (Ag) trace additions (0.03-0.10%)controlled oxygen content (<10 ppm)and minimal impurities (PbBiSbAs each <0.001%).
Density
8.92 g/cm³
Hardness
75-85 HV
Elongation
≥15%
Melting Point
1083-1085°C
Yield Strength
180-220 MPa
Tensile Strength
220-280 MPa
Thermal Conductivity
≥385 W/m·K
Electrical Conductivity
≥101% IACS
Coefficient of Thermal Expansion
17.0×10⁻⁶/K
标准
ISO 1337ISO 197-1DIN 40500ASTM B187

行业分类与别名

银痕合金 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

Insufficient silver content or improper heat treatment->Inadequate surface conductivity enhancement leading to increased contact resistance->Strict process control of silver addition and thermal treatment parameters
Excessive thermal cycling beyond design limits->Micro-cracking at grain boundaries reducing mechanical integrity->Implement thermal management systems and design within specified temperature ranges
Contact with aluminum or other dissimilar metals->Accelerated galvanic corrosion at connection points->Use compatible plating or insulating barriers at interfaces

工业生态与工程逻辑

0
Silver migration inconsistency
1
Thermal fatigue cracking
2
Galvanic corrosion with dissimilar metals
3
Cost premium over standard copper

合规与检测

tolerance
±0.05% silver content, ±0.5% conductivity variation, dimensional tolerances per ISO 2768-m
test method
ICP-OES for composition, four-point probe for conductivity, metallographic analysis for microstructure, thermal cycling tests per IEC 60068-2-14

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

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 main advantage of Silver Trace Alloy over pure copper for busbars?

Silver Trace Alloy maintains superior surface conductivity over time due to silver migration preventing oxidation, while pure copper surfaces degrade with oxidation, increasing contact resistance.

How does silver content affect the alloy's performance?

Optimal silver content (0.03-0.10%) provides sufficient surface enhancement without compromising copper's bulk conductivity or significantly increasing material cost.

What applications is this alloy specifically designed for?

High-current busbars in power distribution, switchgear, transformer connections, and electrical substations where long-term reliability and minimal voltage drop are critical.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 电气设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 银痕合金

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 银痕合金?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
铜绕组
下一个组件
锂离子电池电芯
URN:CNFX:ME:UNIT:SILVER_TRACE_ALLOY