Method for controlling sufficient reaction of titanium and silicon carbide particles and aluminum-based cylinder sleeve prepared by method
A silicon carbide particle, fully reacting technology, applied in the field of aluminum-based composite materials and aluminum-based cylinder liner preparation, can solve the problems of poor fluidity, uneven hard particle silicon carbide, unstable friction, etc., to improve microhardness and The effect of tensile strength, uniform surface roughness and stable friction performance
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[0028] Example 1: Method for controlling the full reaction of titanium and silicon carbide particles
[0029] The method for controlling the full reaction of titanium and silicon carbide particles includes the following steps. An electromagnetic stirrer is set in the medium-frequency stirred electric furnace, and 5%-20% Si is prepared according to the mass percentage, and the balance is Al. In the medium-frequency stirred electric furnace Stir uniformly to form a mixture. After the medium frequency stirring electric furnace is heated to 830℃-920℃, add 15%-40% of the mixture mass ratio of silicon carbide powder or diamond powder and 25%-80% of the mixture mass ratio of potassium fluorotitanate powder Electromagnetic stirring in the medium frequency stirred electric furnace for 10-50 minutes, the melt is formed in the medium frequency stirred electric furnace, and slagging is performed on the melt. When the temperature is 720℃-780℃, phosphorus salt modifier or phosphorus is added to...
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[0033] Example 2: Method for controlling the full reaction of titanium and silicon carbide particles
[0034] The method for controlling the full reaction of titanium and silicon carbide particles includes the following steps. An electromagnetic stirrer is set in an intermediate frequency stirred electric furnace, and 5% Si is prepared according to the mass percentage, and the balance is Al. The intermediate frequency stirred electric furnace is uniformly stirred to form After the mixture is heated to 830℃ in the medium-frequency stirred electric furnace, 15% of the mixture mass ratio of silicon carbide powder and 25% of the mixture mass ratio of potassium fluorotitanate powder are added to the medium-frequency stirred electric furnace and electromagnetically stirred for 10 minutes to form in the medium-frequency stirred electric furnace After the melt, the melt is slagging off. When the temperature is 720°C, a phosphorous salt modifier is added to the slagging melt, and then trea...
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[0035] Example 3: Method for controlling the full reaction of titanium and silicon carbide particles
[0036] The method for controlling the full reaction of titanium and silicon carbide particles includes the following steps. An electromagnetic stirrer is set in an intermediate frequency stirred electric furnace, and 12.5% Si is prepared according to the mass percentage, and the balance is Al. The intermediate frequency stirred electric furnace is evenly stirred to form After the mixture is heated to 875℃ in the medium-frequency stirred electric furnace, the silicon carbide powder with a mixture mass ratio of 27.5% and the potassium fluorotitanate powder with a mixture mass ratio of 52.5% are added to the medium-frequency stirred electric furnace with electromagnetic stirring for 30 minutes, and the formation is formed in the medium-frequency stirred electric furnace After the melt is slagging off, the phosphorous copper modifier is added to the slagging off melt at a temperatu...
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