种基于琼脂糖的陶瓷凝胶注模成型方法

• Format: Patent
• Language: Chinese
• Published: 01.05.2018
• Subjects: PERFORMING OPERATIONS; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE

本发明涉及种基于琼脂糖的陶瓷凝胶注模成型方法，该方法包括：分多次将陶瓷粉末加入到装有水的球磨罐中，期间加入分散剂，搅拌均匀并调节PH至8-11得陶瓷浆料；配制质量分数为3-4.5％的琼脂糖溶液；将琼脂糖溶液按比例注入到真空除泡并预热后的陶瓷浆料中，再同注入预热后的模具中冷却得坯体；坯体经静置、多步干燥后烧结即得。采用该方法可以制备各种复杂形状和大小的陶瓷部件，琼脂糖为天然无毒的大分子环境友好，坯体中有机物含量极少不需要排胶，干燥成型过程不会开裂，生坯具有定的强度，可在烧结前进行加工。 The invention relates to a ceramic gel injection molding method based on agarose. The method includes the steps that ceramic powder is added into a ball-milling tank filled with water many times, a scattering agent is added while the ceramic powder is added, the mixture is mixed evenly, and the PH value is adjusted to range from 8 to 11, so that ceramic slurry is obtained; an agarose solution with the mass fraction being 3%-4.5% is prepared; the agarose solution is injected into the ceramic slurry in proportion after the ceramic slurry is subjected to vacuum defoaming and preheating, then the agarose solution and the ceramic slurry are injected into a preheated mold jointly, and a blank is obtained after cooling; and a product can be obtained after the blank is subject