Fabrication of NC Bolts and Niobium Copper Cladded Pipes for Superconducting SRF Cavities and Space Technology |
Feature of NC50/25 materials: Copper Nickel Alloy. 1) Perfect none magnetic metal. # No magnetized by machining or welding. 2) Harder material than stainless. 3) No gnawing issue between other materials. # For instance between NC bolt, and screw on SRF NbTi flange. 4)Low temperature brittleness-free. 5)Very small thermal conductivity at cryogenic temperature. # Same as RRR 300 Niobium in superconducting sate. 6)Less particle contamination during tightening NC bolts. # Similar level as to electropolished SUS304 bolts. 7)Good weld-ability with SUS. Delivery Experiences NC bolts (NC50/35/25) [MICHIGAN STATE UNIVERSITY] [RIKEN in Japan] |
NC50/Nb Cladded Pipe [MICHIGAN STATE UNIVERSITY] |
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