Preparation method of Al2O3/TiO3 ceramic stick for flame spraying
A flame spraying and ceramic rod technology, which is applied in the field of Al2O3/TiO2 ceramic rods for flame spraying and its preparation, can solve the problems of inability to meet industrialized production, low qualified rate of finished products, increase processing cost, etc., achieve good mechanical properties, and reduce waste products. efficiency, improve production efficiency
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[0035] The selected formula is: 60%Al 2 o 3 +1.50%SiO2 2 +0.1%Fe 2 o 3 +37.05%TiO 2 + 0.20%CaO+1%MgO+0.15%NaO 2 Weigh the ingredients, put them into the ball mill tank and carry out dry mixing for 4 hours directly. After the mixed powder is discharged, it is directly added to the high-temperature box-type electric furnace, and it is sintered at 1600°C for 23 hours at a high temperature, and then it is crushed out of the furnace and passed through 280°C. mesh vibrating sieve; mix 75 parts of deionized water with 5 parts of allyloxy hydroxypropyl sodium sulfonate and 6.5 parts of polyethylene glycol 200, stir at high speed until the emulsification is sufficient, then heat up in a water bath until the temperature rises to 75 °C , add 18 parts of styrene, 8 parts of hydroxyethyl methacrylate and 0.4 parts of sodium persulfate completely dissolved in 5 parts of acrylic acid and 25 parts of deionized water, then raise the temperature to 88°C, keep it warm for about one hour, t...
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