Copper alloy with high strength, high conductivity and high plasticity and preparation method thereof
A high-conductivity, high-plasticity technology, applied in the field of alloys, can solve problems such as high strength, high conductivity and high plasticity, achieve good strength and conductivity, and ensure safety and reliability.
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Embodiment 1
[0029] This embodiment discloses a method for preparing a copper alloy with high strength, high conductivity and high plasticity, including the following steps:
[0030] 1. The electrolytic pure copper is electrolytically polished to remove oxide scale and other surface materials, the raw materials are cleaned with anhydrous ethanol through ultrasonic waves, and dried in a blast drying oven at 50°C for 30 minutes;
[0031] 2. Ingredients, the total weight is 2500g, the mass fraction of Cr is 0.4% (10g), the mass fraction of Zr is 0.2% (5g), the mass fraction of Hf is 0.2% (5g), the mass ratio of Zr to Hf is 1, the Cu particles in the master alloy are 60g, The rest is Cu block (2420g) for weighing ingredients;
[0032] 3. Zr and Hf elements are added to the copper melt in the form of a master alloy, and the master alloy is prepared using a vacuum non-consumable electric arc furnace, where the mass ratio of Cu particles (60g) to the total Zr and Hf raw materials (10g) is 6, repeated S...
Embodiment 2
[0045] This embodiment discloses another method for preparing a copper alloy with high strength, high conductivity and high plasticity, including the following steps:
[0046] 1. The electrolytic pure copper is electrolytically polished to remove oxide scale and other surface materials, the raw materials are cleaned with anhydrous ethanol through ultrasonic waves, and dried in a blast drying oven at 50°C for 30 minutes;
[0047] 2. Ingredients, the total weight is 2500g, the mass fraction of Cr is 0.4% (10g), the mass fraction of Zr is 0.1% (2.5g), the mass fraction of Hf is 0.3% (7.5g), the mass ratio of Zr to Hf is 0.33, Cu particles in the master alloy 60g, the rest is Cu block (2420g) for weighing ingredients;
[0048] 3. Zr and Hf elements are added to the copper melt in the form of a master alloy, and the master alloy is prepared using a vacuum non-consumable electric arc furnace, where the mass ratio of Cu particles (60g) to the total Zr and Hf raw materials (10g) is 6, repeat...
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