Copper alloy semi-continuous casting crystallizer high-temperature lubricating material and preparation method thereof
A lubricating material and semi-continuous casting technology, which is applied in the direction of lubricating compositions, petroleum industry, additives, etc., can solve the problems of lubricant and sidewall peeling, not being promoted, and reducing production efficiency, so as to reduce wear and friction coefficient , the effect of improving production efficiency
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Embodiment 1
[0020] Weigh 2.0g of nano-molybdenum disulfide and add it to a medium containing 200mL of 4% sodium silicate aqueous solution. After ultrasonic dispersion for 30min, add 10g of graphite fluoride, heat to 50°C, stir thoroughly for 12 hours, and cool to room temperature. , filter and dry, dry matter and 800g glass powder (mass ratio Na 2 O: SiO 2 : CaO=31:36:28), 180g of microcrystalline paraffin, put it into a ball mill and pulverize it to 150-160 mesh to obtain a high-temperature lubricating material, which is suitable for semi-continuous casting of H62 copper alloy.
Embodiment 2
[0022] Weigh 10g of nano-molybdenum disulfide and add it into a medium containing 200mL of 8% sodium silicate aqueous solution. After ultrasonic dispersion for 30min, add 14g of graphite fluoride, heat to 60°C, stir thoroughly for 12 hours, and cool to room temperature. Filter and dry, dry matter and 760g glass powder (mass ratio Na 2 O: SiO 2 : CaO=37.2:30:28), 200g of microcrystalline paraffin, put it into a ball mill and pulverize it to 150-160 mesh to obtain a high-temperature lubricating material, which is suitable for semi-continuous casting of H68 copper alloy.
Embodiment 3
[0024] Weigh 50g of nano-molybdenum disulfide and add it into a medium containing 200mL of a 15% sodium silicate aqueous solution. After ultrasonic dispersion for 30min, add 20g of graphite fluoride, heat to 70°C, stir fully for 24 hours, and cool to room temperature. Filter and dry, dry matter and 600g glass powder (mass ratio Na 2 O: SiO 2 : CaO=46.5:39:28), 300g of microcrystalline paraffin, put into a ball mill and pulverize to 150-160 mesh to obtain a high-temperature lubricating material.
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