以Al2O3粉、Al粉和Si粉为主要原料,经高温氮化反应制备β-Sialon材料.研究了TiO2烧结助剂、烧结温度和保温时间对制备β-Sialon材料的影响.结果表明,添加TiO2作烧结助剂,在N2气氛中于1500℃保温5h后烧成的试样耐压强度达到76.94 MPa、体积密度达到2.86 g/cm3；试样以β-Sialon为主晶相,晶粒发育较好,呈棱柱状,直径约为1 μm,长度约为2 μm,且分布比较均匀,提高了材料的强度.
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