氧化锆纳米陶瓷素坯成型研究
张永胜,胡丽天,陈建敏
摘要(Abstract):
用化学共沉淀法制备了8nm的氧化钇稳定四方氧化锆(Y-TZP)陶瓷粉体,并对用先凝胶注模成型后加压致密的方法来制备Y-TZP纳米陶瓷作了初步研究。结果表明,通过这种成型方法,可以获得相对密度达53%、平均气孔为3nm的ZrO2(3Y)素坯,坯体可在较低的温度下无压烧结致密化,在1250℃烧结2h致密度可达99%。
关键词(KeyWords): 纳米Y-TZP;凝胶注模;无压烧结
基金项目(Foundation): 国家创新研究群体基金(50421502);; 国家自然科学基金(59925513,50575218);; 中科院“百人计划”资助
作者(Author): 张永胜,胡丽天,陈建敏
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