Chromium zirconium copper and aluminum oxide copper are both high-performance copper alloys, each with its own unique characteristics and application fields. To determine which one is "better", it is necessary to evaluate based on specific application requirements and working environments. The following is a detailed comparison of these two materials:

Core material composition differences

1. Aluminum oxide copper adopts a composite structure of aluminum oxide ceramic particles and copper matrix, featuring both high thermal conductivity and structural stability.

2. Chromium zirconium copper is a copper-based alloy material, achieving solid solution strengthening by adding chromium (0.5-1.2%) and zirconium (0.03-0.3%).

Comparison of key preparation processes

1. Aluminum oxide copper is prepared using powder metallurgy technology, achieving uniform distribution of ceramic phase and metal phase through high-temperature sintering.

2. Chromium zirconium copper is fabricated through vacuum melting and casting technology, combined with aging heat treatment to obtain the desired microstructure.

Chromium zirconium Copper

High strength and hardness: Chromium zirconium copper is strengthened through the addition of chromium and zirconium elements through solid solution strengthening and aging hardening, and it has high strength and good hardness, suitable for applications that need to withstand high mechanical stress.

Good electrical conductivity: Despite the strengthening treatment, Chromium zirconium copper still maintains relatively good electrical conductivity, suitable for applications that need to consider both electrical conductivity and mechanical strength.

Corrosion resistance: Chromium zirconium copper exhibits good corrosion resistance in various environments, especially in oxidizing and reducing media.

Processing performance: This alloy is easy to process, including casting, forging, rolling, and drawing processes.

Alumina Copper

High strength and heat resistance: Alumina Copper is strengthened by the dispersed distribution of alumina particles, featuring high strength and excellent heat resistance, suitable for high-temperature working environments.

Excellent electrical conductivity: While maintaining high strength, Alumina Copper has outstanding electrical conductivity, particularly suitable for electrical applications requiring high conductivity and high strength.

wear resistance: Due to the dispersion strengthening effect of alumina particles, Alumina Copper exhibits good wear resistance.

Thermal stability: At high temperatures, Alumina Copper can maintain stable mechanical properties and electrical conductivity, suitable for long-term high-temperature working environments.

Application domain comparison

Chromium zirconium-copper: Suitable for applications that require high mechanical stress resistance and good conductivity, such as electrical connectors, switch contacts, mold inserts, etc.

Alumina-copper: Suitable for applications that require high strength, high conductivity, and heat resistance, such as motor windings, resistors, high-temperature leads, etc.