Cu-Al Bimetallic Busbar

Apr 22, 2023

In order to save copper resources, copper matrix composites such as copper clad aluminum cable, copper / aluminum composite bar and so on have been developed in China, and remarkable benefits have been obtained. Copper based composite is a kind of metal composite material with many varieties and wide use, which can be widely used in power, electrical appliances and electric appliances Cu al bimetallic busbar has adopted the structure of copper clad aluminum, which not only has high conductivity and mechanical properties, but also has the characteristics of low cost, light weight, low contact resistance, and large current carrying capacity, close to the electric copper bar. Therefore, it has a wide range of alternative copper bars

The market prospect. Cu al bimetallic busbar is mainly used in bus trunk system, high and low voltage switchgear and control equipment

The Cu al bimetallic busbar was prepared by casting and rolling direct casting and rolling of aluminum. The copper / aluminum composite has achieved metallurgical bonding, and has good mechanical properties. The bonding mechanism of copper / aluminum composite interface is studied

Cu al bimetallic busbar, which can achieve metallurgical bonding, was prepared by casting and rolling method of liquid aluminum and solid copper. It has excellent mechanical and electrical properties. The overall tensile strength is 98mpa and the resistivity is０．０２１６×１０－６Ω· The current carrying density is 750a. the effect of annealing temperature and heat cycle times on the bonding strength of copper / aluminum composite interface is studied at ３００ ℃×１ｈ The bonding strength of the composite exhaust interface increased after several heat cycles

Cu-Al Bimetallic Busbar

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Aluminum