采用溶胶-凝胶法,以AlCl3·6H2O、金属Al粉、ZrOCl2·6H2O、和H2O为原料制备氧化铝纤维.主要研究了拉丝助剂(HCl和HAc)、烧结温度及ZrO2添加量对氧化铝纤维性能的影响.研究结果表明同种拉丝助剂添加量越大,可拉丝时间越长.在1000～1400 ℃烧结范围内,烧结温度对纤维的表面结构影响不大;1400 ℃下可以得到晶粒发育完善,晶型完整以及拉伸强度最佳的氧化铝纤维.ZrO2可对氧化铝纤维起到增强作用,但随着ZrO2量的增加,拉伸强度的增加作用逐渐减小.
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