Low-specific-resistance and high-plasticity silicon-manganese-nickel alloy wire and preparing method and application thereof
A low-resistivity, alloy wire technology, applied in the field of silicon-manganese-nickel alloy wire and its preparation, can solve the problems of fuses that cannot be used as new electric light sources, high temperature coefficient of resistance, and poor overcurrent capability, etc. Improve strength, control uniform effect
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[0032] Example 1:
[0033] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.1%, Mn=0.5%, Ni=0.41%, Zn=0.5%, Sn=0.12%, Cu balance.
[0034] The preparation process of the silicon-manganese-nickel alloy wire in this embodiment is as follows:
[0035] (1) Raw material preparation and ingredients:
[0036] Use pure metal Zn, Sn, Si (purity ≥99.95%), electrolytic manganese (purity ≥99.7), electrolytic nickel and cathode copper (Cu-CATH-2) as raw materials. Before weighing, ensure that all raw materials are clean. Among them, cathode copper (Cu-CATH-2) First clean with sulfuric acid with a concentration of 30vol.%, and clean the surface of electrolytic nickel with nitric acid with a concentration of 40vol.%. After cleaning, the cathode copper and electrolytic nickel are washed and dried to ensure that the raw materials are clean; After cleaning, the required alloy composition of each raw material is proportioned and weighed;
[0037] (2)...
Example Embodiment
[0051] Example 2:
[0052] The difference from Example 1 is:
[0053] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.21%, Mn=0.0.45%, Ni=0.42%, Zn=0.2%, Sn=0.15%, Cu balance. The final prepared Ф0.20mm alloy wire has a tensile strength of 276~285N / mm after testing 2 , The elongation is 31.3 to 34.2%, the wire diameter tolerance is less than or equal to 0.002mm, and the alloy has good welding performance and bending resistance, and the resistivity is 0.161 to 0.163μΩ·m.
Example Embodiment
[0054] Example 3:
[0055] The difference from Example 1 is:
[0056] The chemical composition of the silicon-manganese-nickel alloy wire in this embodiment is (wt.%): Si=2.15%, Mn=0.4%, Ni=0.35%, Zn=0.25%, Sn=0.15%, Cu balance. The final prepared Ф0.20mm alloy wire has a tensile strength of 278~289N / mm after testing 2 , The elongation rate is 31.8-33.8%, the wire diameter tolerance is less than or equal to 0.002mm, and the alloy has good welding performance and folding resistance, and the resistivity is 0.161~0.162μΩ·m.
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