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Preparation method of Al2O3/Cr3C2 composite ceramic particles
The invention provides a preparation method of Al2O3/Cr3C2 composite ceramic particles, which comprises the following steps: S1, carrying out ball milling on raw materials of a sintering aid to obtain smelting raw materials; the sintering aid is prepared from the following raw materials in percentage by mass: 70 to 74 weight percent of SiO2, 10 to 12 weight percent of B2O3, 10 to 12 weight percent of Na2CO3, 3 to 5 weight percent of Fe2O3 and 3 to 5 weight percent of TiO2; s2, the smelting raw materials are heated to 1500-1550 DEG C, heat preservation is conducted, ball milling is conducted after water quenching, and sintering aid powder is obtained; s3, Al2O3 powder, Cr3C2 powder, sintering aid powder and yellow dextrin powder are mixed and then subjected to ball milling, water accounting for 5%-6% of the mass of the raw materials of the Al2O3/Cr3C2 multiphase ceramic particles is sprayed in the ball milling process, and a dry pressing material of the Al2O3/Cr3C2 multiphase ceramic particles is obtained; s4, performing compression molding on the dry pressing material of Al2O3/Cr3C2 multiphase ceramic particles to obtain a green body, crushing the green body, and performing compression molding again in the step S2 to obtain a biscuit; and S4, heating the biscuit to 400-450 DEG C, keeping the temperature for 0.5-1 hour, heating to 1300-1350 DEG C, keeping the temperature for 1-2 hours, heating to 1500-1550 DEG C, and keeping the temperature for 1-2 hours, thereby obtaining the product.
本发明提供了一种Al2O3/Cr3C2复合陶瓷颗粒的制备方法，包括如下步骤：S1将助烧剂的原料球磨，获得熔炼原料；所述助烧剂的原料按质量百分比计包括SiO2 70‑74wt％、B2O310‑12wt％、Na2CO3 10‑12wt％、Fe2O3 3‑5wt％、和TiO2 3‑5wt％；S2将所述熔炼原料加热至1500‑1550℃，保温、水淬后球磨，得到助烧剂粉体；S3将Al2O3粉体、Cr3C2粉体、助烧剂粉体和黄糊精粉混合后球磨，并在球磨过种中喷入Al2O3/Cr3C2复相陶瓷颗粒的原料质量5‑6％的水，得到Al2O3/Cr3C2复相陶瓷颗粒的干压料；S4将Al2O3/Cr3C2复相陶瓷颗粒的干压料模压成型后得到的坯体破碎后置入步骤S2再次模压成型，得到素坯；S4素坯升温至400‑450℃后保温0.5‑1小时后，再升温至1300‑1350℃，保温1‑2小时，再升温至1500‑1550℃，保温1‑2小时，即得。
Preparation method of Al2O3/Cr3C2 composite ceramic particles
The invention provides a preparation method of Al2O3/Cr3C2 composite ceramic particles, which comprises the following steps: S1, carrying out ball milling on raw materials of a sintering aid to obtain smelting raw materials; the sintering aid is prepared from the following raw materials in percentage by mass: 70 to 74 weight percent of SiO2, 10 to 12 weight percent of B2O3, 10 to 12 weight percent of Na2CO3, 3 to 5 weight percent of Fe2O3 and 3 to 5 weight percent of TiO2; s2, the smelting raw materials are heated to 1500-1550 DEG C, heat preservation is conducted, ball milling is conducted after water quenching, and sintering aid powder is obtained; s3, Al2O3 powder, Cr3C2 powder, sintering aid powder and yellow dextrin powder are mixed and then subjected to ball milling, water accounting for 5%-6% of the mass of the raw materials of the Al2O3/Cr3C2 multiphase ceramic particles is sprayed in the ball milling process, and a dry pressing material of the Al2O3/Cr3C2 multiphase ceramic particles is obtained; s4, performing compression molding on the dry pressing material of Al2O3/Cr3C2 multiphase ceramic particles to obtain a green body, crushing the green body, and performing compression molding again in the step S2 to obtain a biscuit; and S4, heating the biscuit to 400-450 DEG C, keeping the temperature for 0.5-1 hour, heating to 1300-1350 DEG C, keeping the temperature for 1-2 hours, heating to 1500-1550 DEG C, and keeping the temperature for 1-2 hours, thereby obtaining the product.
本发明提供了一种Al2O3/Cr3C2复合陶瓷颗粒的制备方法，包括如下步骤：S1将助烧剂的原料球磨，获得熔炼原料；所述助烧剂的原料按质量百分比计包括SiO2 70‑74wt％、B2O310‑12wt％、Na2CO3 10‑12wt％、Fe2O3 3‑5wt％、和TiO2 3‑5wt％；S2将所述熔炼原料加热至1500‑1550℃，保温、水淬后球磨，得到助烧剂粉体；S3将Al2O3粉体、Cr3C2粉体、助烧剂粉体和黄糊精粉混合后球磨，并在球磨过种中喷入Al2O3/Cr3C2复相陶瓷颗粒的原料质量5‑6％的水，得到Al2O3/Cr3C2复相陶瓷颗粒的干压料；S4将Al2O3/Cr3C2复相陶瓷颗粒的干压料模压成型后得到的坯体破碎后置入步骤S2再次模压成型，得到素坯；S4素坯升温至400‑450℃后保温0.5‑1小时后，再升温至1300‑1350℃，保温1‑2小时，再升温至1500‑1550℃，保温1‑2小时，即得。
Preparation method of Al2O3/Cr3C2 composite ceramic particles
一种Al2O3/Cr3C2复合陶瓷颗粒的制备方法
LU SHOU'AN (author) / WANG CAN (author) / LYU JIE (author) / ZHANG JUNRANG (author)
2023-11-28
Patent
Electronic Resource
Chinese
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