Titanium carbide-tungsten carbide alloy coating and preparation method thereof
A tungsten carbide alloy and titanium carbide technology, applied in the field of alloy materials, can solve the problems of poor bonding phase wettability, small grain length trend, limited development, etc., and achieve good plasticity, good machinability and wear resistance. and good corrosion resistance
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[0021] The invention also discloses a method for preparing a titanium carbide-tungsten carbide alloy coating, comprising the following steps:
[0022] (1) Components by mass percentage: 50-60% titanium carbide, 25% tungsten carbide, 0.5-1.2% carbon, 0.8-1.5% chromium, 1.2-2% silicon, 0.5-1.5% aluminum, 2.5% iron ~3.8%, nickel balance, add the above-mentioned component mixture into a ball mill and wet-mill until the powder particle size is 1-2 μm, to obtain a mixed slurry;
[0023] (2) Filter and dry the above-mentioned mixed slurry, add an appropriate amount of adhesive, and stir evenly. The resulting paste-like mixture is coated on the surface of the substrate, and then dried in a drying oven at 100-150°C for 2-3 hours, and kept warm. After 10-15 hours, a titanium carbide-tungsten carbide alloy coating is obtained.
[0024] Wherein, the thickness of the titanium carbide-tungsten carbide alloy coating is 1-2 mm.
[0025] The following are described with specific examples to ...
Example Embodiment
[0026] Example 1
[0027] (1) Get the components by mass percentage: titanium carbide 50%, tungsten carbide 25%, carbon 0.5%, chromium 0.8%, silicon 1.2%, aluminum 0.5%, iron 2.5%, nickel surplus, the aforementioned components The mixture is added to a ball mill and wet-milled until the particle size of the powder is 1-2 μm to obtain a mixed slurry;
[0028] (2) Filter and dry the above-mentioned mixed slurry, add an appropriate amount of adhesive, and stir evenly. The resulting paste-like mixture is coated on the surface of the substrate, then placed in a drying oven at 100°C for 2 hours, and kept for 10 hours to obtain carbonized Titanium-tungsten carbide alloy coating.
Example Embodiment
[0029] Example 2
[0030] (1) Get the components by mass percentage: titanium carbide 55%, tungsten carbide 25%, carbon 0.9%, chromium 1.2%, silicon 1.5%, aluminum 1.1%, iron 3.3%, nickel surplus, the aforementioned components The mixture is added to a ball mill and wet-milled until the particle size of the powder is 1-2 μm to obtain a mixed slurry;
[0031] (2) Filter and dry the above-mentioned mixed slurry, add an appropriate amount of adhesive, and stir evenly. The resulting paste-like mixture is coated on the surface of the substrate, then placed in a drying oven at 120°C for 2.5 hours, and kept for 12 hours to obtain Titanium carbide-tungsten carbide alloy coating.
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