通过悬浮液混合法制得的不同比例的非晶磷灰石(ACP)与羟基磷灰石(HA)的复合粉末作为原料,经压制成型烧结,测定块体的硬度、断裂韧性和抗弯强度,探讨混合比例和保温时间对块体组织和力学性能的影响.结果表明,混合粉末(ωACP=25 mass％～75 mass％)的烧结块体由β-TCP相和HA相组成,且两相分散均匀,β-TCP晶粒得到了细化.通过调节混合粉末中ACP/HA的比例,可以调节烧结块体中β-TCP与HA的相含量.混合粉末ωACP为75 mass％时,经过1150℃、保温2.0h烧结后,块体材料的硬度和断裂韧性最好.
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