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CuZrNb

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Detail

Product Overview

The Copper-Zirconium-Niobium (CuZrNb) alloy isa high-performance material known for its exceptional combination of thermalconductivity, strength, and resistance to softening at elevated temperatures.By incorporating zirconium and niobium into the copper matrix, this alloyachieves enhanced hardness and mechanical properties without sacrificing itsexcellent conductivity. This makes CuZrNb an ideal choice for applications thatdemand both high electrical and thermal conductivity alongside superiormechanical performance, particularly in industries such as aerospace, electronics,and power generation.

Product Features

  1. High Electrical and Thermal Conductivity:

    • Retains excellent electrical conductivity while offering enhanced strength compared to pure copper.

    • Exceptional thermal conductivity makes it suitable for heat dissipation components.

  2. Enhanced Strength and Hardness:

    • The addition of zirconium and niobium significantly improves the alloy's mechanical strength and wear resistance.

    • Maintains structural integrity under mechanical stress and high temperatures.

  3. Excellent High-Temperature Performance:

    • Resistant to thermal softening, allowing it to retain its hardness and strength at temperatures above 500°C.

    • Ideal for applications that require stability under continuous thermal cycling.

  4. Superior Corrosion Resistance:

    • Provides resistance to oxidation and corrosion, especially in aggressive environments, enhancing component lifespan.

Applications

  1. Aerospace: Used in high-performance electrical connectors, heat sinks, and components exposed to high thermal stress.

  2. Electronics: Ideal for heat spreaders, lead frames, and other parts requiring both high conductivity and strength.

  3. Power Generation: Suitable for heat exchangers, cooling systems, and high-current electrical contacts.

  4. Automotive Industry: Applied in battery connectors, electrical systems, and other components needing efficient heat dissipation.

Chemical Composition

Element

Cu

Zr

Nb

Content (%)

90

5

5

Mechanical Properties (Estimated)

Property

Value

Tensile Strength (MPa)

≥700

Yield Strength (MPa)

≥500

Elongation (%)

≥15

Hardness (HV)

≥200

Electrical Conductivity (% IACS)

≥80

Density (g/cm³)

8.4-8.6

Melting Point (°C)

1050-1150

Product Specifications

  • Forms Available: Rods, Plates, Sheets, Tubes, and Custom Components

  • Diameter (Rods): 5mm - 60mm

  • Thickness (Sheets/Plates): 0.5mm - 20mm

  • Surface Finish: Polished, Ground, or as-cast

Manufacturing Process

  • Produced using vacuum induction melting (VIM) and hot rolling to achieve a fine grain structure.

  • Heat treatment applied to optimize mechanical properties and enhance conductivity.

Packaging and Delivery

  • Packaging: Anti-corrosion wrapping with reinforced crates for secure transport.

  • Lead Time: Typically 3-5 weeks, depending on customization and order volume.