采用纤维素和锆钛酸铅(PZT)粉体为原料,使用黏胶纺丝法(VSSP)制备了直径250μm的PZT陶瓷长纤维.利用SEM和XRD对纤维素坯和烧结后纤维进行表征并根据正交实验设计法通过实验确定了纤维成型浆料中粉体与纤维素质量比、分散剂用量以及老成时间等因素对成型后纤维素坯直径均匀度的影响,进而确定了制备PZT陶瓷长纤维的优化工艺条件:分散剂用量0.4g/kg、粉体与纤维素质量比25:1及老成时间2.5h.所得纤维素坯直径的均匀度达到87.50%,1280℃烧结后纤维瓷体的孔隙率为4%,具有钙钛矿结构且菱方相与四方相共存.
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