胡晓霞,吕宇鹏,李阳,肖桂勇,朱瑞富

• 1:山东大学材料液固结构演变与加工教育部重点实验室
• 2:山东大学材料科学与工程学院

摘要(Abstract)：

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2.0 h烧结后,块体材料的硬度和断裂韧性最好。

关键词(KeyWords)： 非晶磷酸钙;致密度;晶粒尺寸;气孔;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 胡晓霞,吕宇鹏,李阳,肖桂勇,朱瑞富

DOI: 10.13289/j.issn.1009-6264.2014.03.002

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