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Copper titanium alloys are highly conductive and durable. They have been used in high-temperature applications, such as electrical connectors and heat transfer devices, as well as in the biomedical industry. In recent years, copper titanium alloys have also found application in automobile connectors, primarily in camera modules.

Copper titanium alloys have high resistance to corrosion. This is due to the sacrificial action of copper on the surface of titanium. Copper and titanium have very similar properties, with titanium being the main additive element in the alloy.

The properties of titanium copper alloy have been studied in detail. Using scanning electrochemical microscopy (SECM), researchers investigated the processes of dissolution of copper. When copper is dissolved, it combines with the oxides of both Cu and Ti to form a thin film on the titanium surface. During the cathodic half-reaction, electrons are consumed by soluble oxygen. This results in the decrease of the cathodic current.

Besides being used in electronic devices, copper-titanium alloys have been explored as potential replacements for costly Cu-Be alloys. Their superior strength, high conductivity and resistance to corrosion make them very useful.

However, producing copper-titanium alloys in open furnaces is not feasible. Fortunately, a new furnace concept has been developed that utilizes vacuum-induction technology. With this new process, continuous casting can be carried out under controlled conditions, resulting in high purity and cost-effective production of titanium-copper alloys.

ALD Vacuum Technologies GmbH has successfully utilized vacuum induction melting for titanium-copper alloys on a large scale. It has developed a compact furnace concept to ensure the cost-effective production of high-purity titanium-copper alloys.

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