烧结温度对96Al2O3陶瓷力学性能及热导率的影响
Journal of Synthetic Crystals（2017）
Abstract
采用CaO-MgO-SiO2为烧结助剂,采用无压烧结技术,研究了烧结温度对96Al2O3陶瓷热导率及力学性能的影响.采用阿基米德排水法、三点弯曲法、激光脉冲法、扫描电子显微镜(SEM)及X射线衍射(XRD)等分析手段和设备,对烧结后陶瓷样品的密度、力学性能、热导率和微观组织结构进行了分析研究.研究结果表明:1600℃烧结的Al2O3样品的具有较好的导热性和力学性能,其热导率、密度、维氏硬度和抗弯强度分别为24.9W/(m·K),3.82g/cm3,(13.8±0.2)GPa,(362.9±26.9)MPa.
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Key words
alumina,sintering temperature,mechanical property,thermal conductivity
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