High-density copper alloy coating and preparation method thereof
A coating and dense technology, applied in the field of high-density copper alloy coating and its preparation, can solve the problems of high oxidation degree, low density, low-high density copper alloy coating, etc.
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Embodiment 1)
[0021] The high-density copper alloy coating in this embodiment is a red copper coating, and the chemical composition of the red copper coating is as follows: 88.17wt% copper, 10.36wt% carbon, and 1.47wt% oxygen.
[0022] The scanning electron microscope photos and metallographic microscope photos of the copper coating are shown in figure 1 with figure 2 .
[0023] Depend on figure 1 It can be seen that the thickness of the copper coating is about 1.2 mm.
[0024] Depend on figure 2 It can be calculated that the porosity of the copper coating is about 1.27%.
[0025] The preparation method of the red copper coating of the present embodiment is as follows:
[0026] ① Degreasing, derusting and sand blasting roughening pretreatment on the surface of the copper alloy substrate.
[0027] The copper alloy base material used in this embodiment is H62 brass, and the size is 50mm×30mm×10mm.
[0028] The sandblasting roughening process is as follows: the sand material is brown ...
Embodiment 2)
[0032] The high-density copper alloy coating in this embodiment is a brass coating, and the chemical composition of the brass coating is as follows: 56.24wt% copper, 11.20wt% carbon, 31.38wt% zinc, and 1.18wt% oxygen.
[0033] The scanning electron micrographs and metallographic micrographs of the brass coating are shown in image 3 with Figure 4 .
[0034] Depend on image 3 It can be seen that the thickness of the brass coating is about 0.4mm.
[0035] Depend on Figure 4 The porosity of this brass coating can be calculated to be about 0.88%.
[0036] The preparation method of the brass coating of the present embodiment is as follows:
[0037] ① Same as Example 1.
[0038] ②Brass wire with a diameter of 2mm is used as the spraying material, and the plasma transfer arc is used as the heat source. The copper alloy wire is ignited by the plasma non-transfer arc to the plasma transfer arc and melted into droplets, and atomized in compressed air The brass coating is obtai...
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Abstract
Description
Claims
Application Information
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