Explosive welding manufacturing method of high-purity niobium-oxygen-free copper composite plate
A composite plate and explosive welding technology, which is applied in welding equipment, manufacturing tools, non-electric welding equipment, etc., can solve the problems of publication and achieve the effect of ensuring superconducting performance
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Embodiment 1
[0029] Step 1. Carry out surface sanding, grinding and cleaning treatment on the high-purity niobium plate and oxygen-free copper plate respectively; the residual resistivity of the high-purity niobium plate is greater than 300; the unevenness of the high-purity niobium plate after cleaning The thickness is 0.6mm / m, and the unevenness of the oxygen-free copper plate is 0.5mm / m; the mass purity of the high-purity niobium plate is 99.99%, and the size of the high-purity niobium plate is 1.2mm × 700mm × 1400mm (thickness × width × length), the oxygen content in the oxygen-free copper plate is less than 2ppm, and the size of the oxygen-free copper plate is 14mm×700mm×1400mm (thickness×width×length);
[0030] Step 2, carry out coating protection to the non-composite surface of the high-purity niobium plate after cleaning in step 1; the film used for the coating protection is a PVC film, and the non-composite surface of the high-purity niobium plate after coating protection There ar...
Embodiment 2
[0036] Step 1. Carry out surface sanding, grinding and cleaning treatment on the high-purity niobium plate and oxygen-free copper plate respectively; the residual resistivity of the high-purity niobium plate is greater than 300; the unevenness of the high-purity niobium plate after cleaning The thickness is 0.5mm / m, and the unevenness of the oxygen-free copper plate is 0.7mm / m; the mass purity of the high-purity niobium plate is 99.995%, and the size of the high-purity niobium plate is 2mm × 700mm × 1400mm (thickness × width × length ), the oxygen content in the oxygen-free copper plate is less than 2ppm, and the size of the oxygen-free copper plate is 11mm×700mm×1400mm (thickness×width×length);
[0037] Step 2, carry out coating protection to the non-composite surface of the high-purity niobium plate after cleaning in step 1; the film used for the coating protection is a PVC film, and the non-composite surface of the high-purity niobium plate after coating protection There ar...
Embodiment 3
[0043] Step 1. Carry out surface sanding, grinding and cleaning treatment on the high-purity niobium plate and oxygen-free copper plate respectively; the residual resistivity of the high-purity niobium plate is greater than 300; the unevenness of the high-purity niobium plate after cleaning The thickness is 0.8mm / m, and the unevenness of the oxygen-free copper plate is 0.5mm / m; the mass purity of the high-purity niobium plate is 99.99%, and the size of the high-purity niobium plate is 0.9mm×700mm×1400mm (thickness×width× length), the oxygen content in the oxygen-free copper plate is less than 2ppm, and the size of the oxygen-free copper plate is 16mm×700mm×1400mm (thickness×width×length);
[0044] Step 2, carry out coating protection to the non-composite surface of the high-purity niobium plate after cleaning in step 1; the film used for the coating protection is a PVC film, and the non-composite surface of the high-purity niobium plate after coating protection There are no ai...
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