Titanium nitride/copper-titanium intermetallic compound reinforced coating for surface of red copper
A technology of intermetallic compounds and titanium nitride, which is applied in the coating process and coating of metal materials, can solve the problems of poor surface mechanical properties and wear resistance, and achieve the goal of improving the wear resistance and hardness of copper surfaces and high practical value Effect
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[0047] Example 1
[0048] When the titanium powder in the pre-coating powder is 10%, the deposited layer is TiN and α-Cu two phases:
[0049] In this example, a wear-resistant coating with TiN as the reinforcing phase was prepared on the surface of a 100mm×50mm×10mm red copper specimen.
[0050] (1) Mix the pure copper powder with a purity of 99.9% and 150 mesh and a titanium powder with a purity of 99.99% and 200 mesh in a ratio of 9:1. The total weight of the powder is 5g. Place the mixed powder in an argon atmosphere. Planetary ball mill, grinding for 30 minutes, ready for use.
[0051] (2) Mix 150 mesh low-carbon ferromanganese powder and 150 mesh ferrosilicon powder in a ratio of 1:1, the total weight of the powder is 2g, and the mixed powder is placed in a planetary ball mill protected by an argon atmosphere for 10 minutes Mix powder and set aside. The low-carbon ferromanganese powder includes 0.2% carbon, 85%-92% manganese, 5%-13% iron, and the remainder is impurities. The f...
Example Embodiment
[0059] Example 2
[0060] When the titanium powder in the pre-coating powder is 20%, the deposited layer is Ti 2 Cu·TiN, TiN and α-Cu three-phase:
[0061] In this example, Ti was prepared on the surface of a 100mm×50mm×10mm red copper specimen 2 Cu·TiN-TiN reinforced copper-based wear-resistant coating.
[0062] (1) Mix the pure copper powder with a purity of 99.9% and 150 mesh and a titanium powder with a purity of 99.99% and 200 mesh in an 8:2 ratio. The total weight of the powder is 5g. Place the mixed powder in an argon atmosphere. Planetary ball mill, grinding for 35 minutes, ready for use.
[0063] (2) Mix 150 mesh low-carbon ferromanganese powder and 150 mesh ferrosilicon powder in a ratio of 1:1, the total weight of the powder is 2g, and the mixed powder is placed in a planetary ball mill protected by an argon atmosphere for 10 minutes Mix powder and set aside. The low-carbon ferromanganese powder includes 0.2% carbon, 85%-92% manganese, 5%-13% iron, and the remainder is im...
Example Embodiment
[0071] Example 3
[0072] When the titanium powder in the pre-coating powder is 70%, the deposited layer is TiN, Ti 2 Cu·TiN, CuTi, Cu 4 Ti 3 Four-phase and matrix α-Cu.
[0073] In this example, Ti was prepared on the surface of a 100mm×50mm×10mm red copper specimen 2 Cu·TiN, TiN and copper-titanium compounds CuTi, Cu 4 Ti 3 Enhanced copper-based wear-resistant coating.
[0074] (1) Mix the pure copper powder with a purity of 99.9% and 150 mesh and a titanium powder with a purity of 99.99% and 200 mesh in a ratio of 3:7. The total weight of the powder is 5g. Place the mixed powder in an argon atmosphere. Planetary ball mill, grinding for 45 minutes, ready for use.
[0075] (2) Mix the low-carbon ferromanganese powder with a purity of 90%, 150 mesh and 75%, 150 mesh ferrosilicon powder in a ratio of 1:1, the total weight of the powder is 2g, and place the mixed powder in an argon atmosphere Protected planetary ball mill, mixing powder for 10 minutes, set aside. The low-carbon ferrom...
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