Preparation method of high-temperature-oxidation-resistant heating plate
A high-temperature oxidation-resistant and heating plate technology, which is applied in the field of heating plate preparation, can solve the problems of easy oxidation and poor thermal conductivity, and achieve the effects of reducing creep rate, improving resistivity and high-temperature strength
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example 1
[0025] Add 40mL of butyl titanate into a beaker containing 180mL of a 25% ethylene glycol solution by mass fraction, heat up to 80°C, add 30g of citric acid into the beaker, start the stirrer, and stir and mix at a speed of 300r / min. Until the citric acid is completely dissolved, a light yellow transparent solution is obtained; 20g of neodymium oxide and 30g of lanthanum oxide are dissolved in 200mL of nitric acid solution with a mass fraction of 30%, to obtain a rare earth metal salt solution of nitrate. In parts by weight, 70 parts The above light yellow transparent solution, 20 parts of rare earth metal nitrate solution, 4 parts of calcium carbonate, 6 parts of lithium carbonate, and 40 parts of zirconia were mixed and placed in a water bath, heated to 80°C, kept for 2 hours, and continued to heat up to 130°C ℃, keep warm for 1 hour to get a thick resin; put the thick resin in a coking furnace, pass nitrogen gas, heat up to 230 ℃, keep warm and coke for 30 minutes, put it in...
example 2
[0027] Add 45mL of butyl titanate into a beaker containing 190mL of 25% ethylene glycol solution by mass fraction, heat up to 90°C, add 32g of citric acid into the beaker, start the stirrer, and stir and mix at a speed of 320r / min. Until the citric acid is completely dissolved, a light yellow transparent solution is obtained; 22g of neodymium oxide and 32g of lanthanum oxide are dissolved in 220mL of nitric acid solution with a mass fraction of 30%, to obtain a rare earth metal salt solution of nitrate. In parts by weight, 75 parts The above-mentioned light yellow transparent solution, 25 parts of rare earth metal nitrate solution, 4 parts of calcium carbonate, 6 parts of lithium carbonate, and 45 parts of zirconia were mixed and placed in a water bath, heated to 82 ° C, kept for 2.5 hours, and continued to heat up to 140°C, keep warm for 1.5h to get a thick resin; put the thick resin into a coking furnace, feed nitrogen, heat up to 240°C, keep warm and coke for 32min, put it i...
example 3
[0029] Add 50mL of butyl titanate into a beaker containing 200mL of ethylene glycol solution with a mass fraction of 25%, heat up to 100°C, add 35g of citric acid into the beaker, start the stirrer, and stir and mix at a speed of 350r / min. Until the citric acid is completely dissolved, a light yellow transparent solution is obtained; 25g of neodymium oxide and 35g of lanthanum oxide are dissolved in 250mL of nitric acid solution with a mass fraction of 30%, to obtain a rare earth metal salt solution of nitrate, and 80 parts by weight The above light yellow transparent solution, 30 parts of rare earth metal nitrate solution, 5 parts of calcium carbonate, 7 parts of lithium carbonate, and 50 parts of zirconia were mixed and placed in a water bath, heated to 85 ° C, kept for 3 hours, and continued to heat up to 150 °C ℃, keep it warm for 2 hours to get a thick resin; put the thick resin in a coking furnace, feed nitrogen, heat up to 250°C, keep it warm for 35 minutes, put it into ...
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