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Silicon carbide ceramic biscuit and preparation process thereof
The invention relates to the field of preparation of silicon carbide ceramics, and provides a preparation process of a silicon carbide ceramic biscuit and the silicon carbide ceramic biscuit prepared by the preparation process. The preparation process comprises the following steps: S1, preparing a premixed solution; s2, adding silicon carbide powder, and uniformly mixing to obtain slurry; s3, the slurry is subjected to vacuum pumping treatment; s4, a catalyst and an initiator are added into the slurry subjected to vacuumizing treatment, uniform mixing is conducted, the mixture is poured into a mold to be cured, ultrasonic treatment is conducted while curing is conducted, and a formed green body is obtained; s5, after drying the formed green body, performing high-temperature sintering and degreasing to obtain a silicon carbide ceramic biscuit; according to the invention, ultrasound is introduced into gel-casting silicon carbide ceramic; the ultrasonic operation is simple, and new impurities cannot be introduced; the operation process is economical and environment-friendly, and environmental pollution is avoided; the curing speed is increased, so that the biscuit preparation efficiency is improved, and meanwhile, the defects of the ceramic material are effectively reduced.
本发明涉及碳化硅陶瓷制备领域，提供一种碳化硅陶瓷素坯的制备工艺以及通过该制备工艺制得的碳化硅陶瓷素坯；制备工艺包括步骤：S1:配置预混液；S2:加入碳化硅粉体，混合均匀，得到浆料；S3:对所述浆料进行抽真空处理；S4:将抽真空处理后的所述浆料中加入催化剂和引发剂，混合均匀，倒入模具中进行固化，所述固化的同时进行超声处理，得到成型的坯体；S5:将所述成型的坯体干燥后，进行高温烧结脱脂，得到所述碳化硅陶瓷素坯；本发明将超声引入到凝胶注模碳化硅陶瓷中；超声操作简单，不会引入新的杂质；操作过程经济环保，不会产生环境污染；固化速度提升，使得素坯制备效率提升，同时有效减少陶瓷材料的缺陷。
Silicon carbide ceramic biscuit and preparation process thereof
The invention relates to the field of preparation of silicon carbide ceramics, and provides a preparation process of a silicon carbide ceramic biscuit and the silicon carbide ceramic biscuit prepared by the preparation process. The preparation process comprises the following steps: S1, preparing a premixed solution; s2, adding silicon carbide powder, and uniformly mixing to obtain slurry; s3, the slurry is subjected to vacuum pumping treatment; s4, a catalyst and an initiator are added into the slurry subjected to vacuumizing treatment, uniform mixing is conducted, the mixture is poured into a mold to be cured, ultrasonic treatment is conducted while curing is conducted, and a formed green body is obtained; s5, after drying the formed green body, performing high-temperature sintering and degreasing to obtain a silicon carbide ceramic biscuit; according to the invention, ultrasound is introduced into gel-casting silicon carbide ceramic; the ultrasonic operation is simple, and new impurities cannot be introduced; the operation process is economical and environment-friendly, and environmental pollution is avoided; the curing speed is increased, so that the biscuit preparation efficiency is improved, and meanwhile, the defects of the ceramic material are effectively reduced.
本发明涉及碳化硅陶瓷制备领域，提供一种碳化硅陶瓷素坯的制备工艺以及通过该制备工艺制得的碳化硅陶瓷素坯；制备工艺包括步骤：S1:配置预混液；S2:加入碳化硅粉体，混合均匀，得到浆料；S3:对所述浆料进行抽真空处理；S4:将抽真空处理后的所述浆料中加入催化剂和引发剂，混合均匀，倒入模具中进行固化，所述固化的同时进行超声处理，得到成型的坯体；S5:将所述成型的坯体干燥后，进行高温烧结脱脂，得到所述碳化硅陶瓷素坯；本发明将超声引入到凝胶注模碳化硅陶瓷中；超声操作简单，不会引入新的杂质；操作过程经济环保，不会产生环境污染；固化速度提升，使得素坯制备效率提升，同时有效减少陶瓷材料的缺陷。
Silicon carbide ceramic biscuit and preparation process thereof
碳化硅陶瓷素坯及其制备工艺
XU CHUANXIANG (author) / ZHANG GE (author) / CUI CONGCONG (author) / BAO JIANXUN (author) / GUO CONGHUI (author)
2024-04-02
Patent
Electronic Resource
Chinese
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