Titanium-clad copper, also known as titanium-copper composite rod, is a titanium layer coated with a certain thickness on the copper rod. A conductor is mainly used in strong corrosion conditions. The invention relates to a manufacturing process of titanium-copper composite rods, especially a coating method manufacturing process of rectangular titanium-copper composite rods with a width-to-thickness ratio of ≥6. The upper and lower surfaces are covered with a layer of titanium alloy plate, and the titanium-copper composite plate is made by explosive compounding and other methods, and a layer of titanium alloy plate is covered on the two sides of the titanium-copper composite plate, and then the sides are connected by welding and other methods so that the peripheral surface of the copper plate is completely covered by a layer of titanium alloy plate.
Performance of titanium-clad copper: As the main component of the metal anode, titanium-clad copper has the following three functions.
1. Support anode
The titanium-clad copper rod has a certain strength and bending resistance, and the yield strength of the composite rod reaches 128MPa, which fully meets the production design requirements.
2. Excellent conductivity
The explosion + rolling production process enables the titanium and copper to be completely and tightly compounded without delamination, so it has good electrical conductivity, the compound strength reaches 135Mpa, and the micro-resistance is 7.77×10-6Ω.
3. Corrosion resistance
The outer layer of the titanium-copper composite rod is in direct contact with the electrolyte medium. The pure titanium in the outer layer has excellent corrosion resistance, and its life is more than 10 times longer than that of other materials.
Since the titanium alloy plate and the interlayer copper plate are closely attached, the deformation of the titanium alloy plate during the manufacturing process is extremely small, which effectively ensures that the titanium alloy plate will not be damaged due to excessive deformation. The process is simple and efficient, saving titanium materials and improving production. efficiency and reduce production costs.
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