Method for preparing zirconium boride/silicon carbide composite powder with low cost
A zirconium diboride and silicon carbide technology, which is applied in the field of low-cost preparation of zirconium diboride/silicon carbide composite powder, can solve the problems of high cost and restrictions on the large-scale application of zirconium diboride/silicon carbide composite materials. Achieve the effects of simple production equipment, simple and easy method, and low cost of zircon
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Embodiment 1
[0020] According to the formula (molar ratio, the same below) is ZrSiO 4 : B 4 C : C = 1 : 0.5 : 4.5 Weigh the ingredients, put the mixture into a ball mill tank, use zirconia balls as the balls, mill for 4 hours, and pass through a 400-mesh sieve. Then, the reaction synthesis was carried out under the protection of argon in a vacuum furnace, and the temperature was kept at 1500° C. for 1 hour. Take out the synthesized powder and put it into a ball mill jar, still using zirconia balls as the balls, and mill for 12 hours. After passing through a 400-mesh sieve, the zirconium diboride / silicon carbide composite powder can be obtained.
Embodiment 2
[0022] The selected formula is: ZrSiO 4 : B 4 C : C = 1 : 0.5 : 5.4, weigh the ingredients, put the mixture into a ball mill jar, use zirconia balls as the balls, mill for 6 hours, and pass through a 300-mesh sieve. Then, the reaction synthesis was carried out in a vacuum furnace under the protection of argon, the synthesis temperature was 1500° C., and the temperature was kept for 1 hour. The synthesized powder was taken out and put into a ball mill jar, and zirconia balls were used as the balls for ball milling for 12 hours. After passing through a 300-mesh sieve, the zirconium diboride / silicon carbide composite powder can be obtained.
Embodiment 3
[0024] According to the formula: ZrSiO 4 : B 4 C : C = 1: 0.5 : 5.85 Weigh the ingredients, put the mixture into a ball mill jar, use zirconia balls as the balls, mill for 6 hours, and pass through a 400-mesh sieve. Then, the reaction synthesis was carried out in a vacuum furnace under the protection of argon, the synthesis temperature was 1500° C., and the temperature was kept for 1 hour. The synthesized powder was taken out and put into a ball mill jar, and zirconia balls were used as the balls for ball milling for 12 hours. Pass through a 400-mesh sieve to obtain zirconium diboride / silicon carbide composite powder.
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