【作者】 王伟伟； 隋松林； 马旭朝； 徐先豹； 王营营； 李伶；

【Author】 Weiwei Wang;Songlin Sui;Xuzhao Ma;Xianbao Xu;Yingying Wang;Ling Li;Shandong Industrial Ceramics Research & Design Institute Co.,Ltd.;

【机构】 山东工业陶瓷研究设计院有限公司；

【摘要】 本文主要围绕可用于光固化成型的低温共烧陶瓷(LTCC)制备技术,研究了分散剂种类以及掺量对光固化料浆流变性能的影响,结果使用3wt.%的X-1作为分散剂的陶瓷料浆具有最佳的流变性能;通过控制能量密度恒定,研究了料浆的固化厚度随不同曝光时间的变化,得出在实验的曝光时间内,曝光时间与单层固化厚度显现出一定的线性关系,据此关系模拟出的打印参数,最终确定单层的固化时间为5s。对生坯进行差热测试,确定脱脂温度,由SEM观察陶瓷颗粒的形貌得出有机成分已排除干净;研究基片在不同烧结温度下的致密性,通过微观结构观察和测试基片在各个方向上的收缩性,得出在900°C下基片在长、宽、高三个方向的收缩率最大,分别为(15.80±0.2)%、(11.20±0.2)%、(13.50±0.2)%,密度为(2.4±0.16)g/cm3。更多还原

【Abstract】 This article mainly studies the preparation technology of low-temperature co-fired ceramics(LTCC)that can be used in digital light processing technology. The effect of the type and content of dispersant on the rheological properties of the light-cured slurry was studied. As a result, the ceramic slurry using 3 wt.% of X-1 as the dispersant has the best rheological properties. By controlling the energy density to be constant, the change of the curing thickness of the slurry with different exposure times was studied. It was concluded that within the experimental exposure time, the exposure time and the single-layer curing thickness showed a certain linear relationship. According to the printing parameters simulated by this relationship, the curing time of the single layer was finally determined to be 5 s. The green body was subjected to a differential thermal test to determine the debinding temperature. The SEM showed that the organic components have been eliminated. The compactness of the substrate at different sintering temperatures has been studied. The shrinkage of the substrate in all directions is observed through the microstructure. It is concluded that the shrinkage rate of the substrate in the three directions of length, width and height was the largest at 900℃.The shrinkage rate was(15.80±0.2)%,(11.20±0.2)%,(13.50±0.2)%, respectively,and the density was(2.4±0.16)g/cm3.更多还原