Formula of core-free soft welding wire product for TC power device
A technology for power devices and soft welding wires, applied in welding media, welding equipment, welding/cutting media/materials, etc., to achieve the effects of wide applicability, oxide reduction, and high innovation
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[0013] The technical solution adopted in this specific embodiment is: the composition of the material formula of the present invention is as follows: + Trace elements (Ga, Ge, P and other elements <2000ppm) and the remaining Pb (lead) elements are mixed and smelted.
[0014] Further, the technology used in the finished product produced by the present invention is metal smelting and extrusion liquid forming technology. The use of metal smelting and extrusion liquid forming technology ensures the uniformity of alloy composition and low oxidation rate, which is more advantageous than the mainstream foreign extrusion forming process.
[0015] Further, the high temperature required to achieve the finished product process of the present invention needs to reach 320~380°C. Through the high temperature of the production process, the generation of oxides can be reduced, the alloy composition can be evenly distributed, and the welding wire can be formed uniformly, which solves the prob...
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