Method for preparing silicon carbide particle-reinforced aluminum-based composite material from crystalline silica cutting waste material
A technology of silicon carbide particles and cutting waste, which is applied in the field of preparing silicon carbide particles reinforced aluminum matrix composite materials, can solve the problems of poor compatibility between silicon carbide and metal powder, increased cost, and general performance of composite materials, and achieve good compatibility, High surface area effect in short time
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Embodiment 1
[0026] Put the embryo body into the high-temperature furnace, vacuum the high-temperature furnace to -0.01Mpa, open the ventilation valve, pass in high-purity argon with a purity greater than or equal to 99% to +0.01Mpa, then open the exhaust valve to continue to pass in argon For 30 minutes, the argon gas flow rate was kept at 100mL / min, and the temperature was raised from room temperature to 390°C at a rate of 6°C / min, and kept for 0.8h, and then raised to 650°C at a rate of 10°C / min, kept for 1.5h, and finally Close the ventilation and exhaust valves, stop heating and cool down with the furnace to obtain silicon carbide particle-reinforced aluminum alloy composite materials.
[0027] Example 2:
[0028] Use industrial waste acid and waste alkali to prepare an aqueous solution with a concentration that meets the requirements. The conditions for alkali washing and leaching are: the leaching temperature is 50°C, the leaching time is 3 hours, and the concentration of hydroxide ...
Embodiment 2
[0030] Table 1 Chemical composition of 99.996% refined aluminum (wt%)
[0031]
[0032] Put the embryo body into the high-temperature furnace, vacuum the high-temperature furnace to -0.01Mpa, open the ventilation valve, pass in high-purity argon with a purity greater than or equal to 99% to +0.02Mpa, then open the exhaust valve to continue to pass in argon For 40 minutes, the argon flow rate was kept at 100mL / min, and the temperature was raised from room temperature to 400°C at a rate of 8°C / min, and kept for 1 hour, and then raised to 700°C at a rate of 12°C / min, kept for 2 hours, and finally the ventilation was closed. , Exhaust valve, stop heating and cool down with the furnace to obtain silicon carbide particle reinforced aluminum alloy composite material.
[0033] Example 3:
[0034] Use the prepared acid and alkali to remove impurities from the cutting material. The conditions for alkali washing and leaching are: the leaching temperature is 50°C, the leaching time is...
Embodiment 3
[0036] Table 2 Chemical composition of ZL101 alloy (wt%)
[0037]
[0038] Put the embryo body into the high-temperature furnace, vacuum the high-temperature furnace to -0.01Mpa, open the ventilation valve, pass in high-purity argon with a purity greater than or equal to 99% to +0.02Mpa, then open the exhaust valve to continue to pass in argon For 35 minutes, the argon gas flow rate was kept at 100mL / min, and the temperature was raised from room temperature to 400°C at a rate of 10°C / min, kept for 1 hour, and then raised to 770°C at a rate of 12°C / min, kept for 2 hours, and finally the ventilation was closed , Exhaust valve, stop heating and cool down with the furnace to obtain silicon carbide particle reinforced aluminum alloy composite material.
[0039] Example 4:
[0040] Alkali solution and acid solution are configured, and the conditions for alkaline washing and leaching are: the leaching temperature is 45°C, the leaching time is 2.5h, and the hydroxide ion concentra...
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