Processed copper alloy for seawater erosion resistance and preparation method thereof
A technology for processing copper and seawater resistance, applied in the field of marine engineering and marine equipment, can solve problems such as affecting the normal use of equipment, leaking seawater pipelines, and increasing hidden dangers of accidents, and achieve the effects of improving hardness, small residual stress, and reducing porosity.
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Embodiment 1
[0031] A processed copper alloy for seawater erosion resistance, which contains elemental components and corresponding mass percentages of 0.5% Ni, 2.0% Al, 1.0% Mg, 0.05% P, 0.15% Cr and 0.01% % Sn, the balance is copper and unavoidable impurity elements.
[0032] The preparation method of the above seawater erosion-resistant processed copper alloy material comprises the following steps:
[0033] (1) Ingredients
[0034] According to the mass percentage of the above elements, the following raw materials are taken: electrolytic Ni, wherein the mass percentage of Ni is ≥99.9%; pure Mg, wherein the mass percentage of Mg is ≥99.9%; electrolytic Cu, wherein the mass percentage of Cu is ≥99.9% ; Master alloy CuP1.5, wherein the mass percentage of P is ≥1.49%, and the balance is copper; pure Cr, wherein the mass percentage of Cr is ≥99.9%; pure Sn, wherein the mass percentage of Sn is ≥99.95%.
[0035] (2) Melting
[0036] The intermediate frequency ironless induction furnace is ...
Embodiment 2
[0047] A processed copper alloy for seawater erosion resistance, which contains elemental components and corresponding mass percentages of 2.75% Ni, 3.5% Al, 1.5% Mg, 0.08% P, 0.5% Cr and 0.015% % Sn, the balance is copper and unavoidable impurity elements.
[0048] According to the mass percentage of the above elements, the following raw materials are taken: electrolytic Ni, wherein the mass percentage of Ni is ≥99.9%; pure Mg, wherein the mass percentage of Mg is ≥99.9%; electrolytic Cu, wherein the mass percentage of Cu is ≥99.9% ; Master alloy CuP1.5, wherein the mass percentage of P is ≥1.49%, and the balance is copper; pure Cr, wherein the mass percentage of Cr is ≥99.9%; pure Sn, wherein the mass percentage of Sn is ≥99.95%.
[0049] Utilize above-mentioned raw material to prepare the processing copper alloy that is resistant to seawater erosion, the preparation method is roughly the same as the preparation method described in Example 1, the difference is: the covering ...
Embodiment 3
[0051] A processed copper alloy for seawater erosion resistance, which contains elemental components and corresponding mass percentages of 5.0% Ni, 5.0% Al, 2.5% Mg, 0.075% P, 0.85% Cr and 0.02% % Sn, the balance is copper and unavoidable impurity elements.
[0052] According to the mass percentage of the above elements, the following raw materials are taken: electrolytic Ni, wherein the mass percentage of Ni is ≥99.9%; pure Mg, wherein the mass percentage of Mg is ≥99.9%; electrolytic Cu, wherein the mass percentage of Cu is ≥99.9% ; Master alloy CuP1.5, wherein the mass percentage of P is ≥1.49%, and the balance is copper; pure Cr, wherein the mass percentage of Cr is ≥99.9%; pure Sn, wherein the mass percentage of Sn is ≥99.95%.
[0053] Utilize above-mentioned raw material to prepare the processing copper alloy that is resistant to seawater erosion, the preparation method is roughly the same as the preparation method described in Example 1, the difference is: the covering ...
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