| 烧结温度对96Al2O3陶瓷力学性能及热导率的影响 |
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| 引用本文： | 伍海东,刘伟,程利霞,刘健,谭毅成,向其军,伍尚华.烧结温度对96Al2O3陶瓷力学性能及热导率的影响[J].人工晶体学报,2017,46(9):1864-1868. |
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| 作者姓名： | 伍海东 刘伟 程利霞 刘健 谭毅成 向其军 伍尚华 |
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| 作者单位： | 广东工业大学机电工程学院,广州,510006;深圳市商德先进陶瓷有限公司,深圳,518125 |
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| 基金项目： | 广东省引进领军人才专项资金(400120001) |
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| 摘 要： | 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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| 关 键 词： | 氧化铝 烧结温度 力学性能 导热率 |
Research on the Mechanical Properties and Thermal Conductivity of 96 Alumina Ceramics |
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| WU Hai-dong,LIU Wei,CHENG Li-xia,LIU Jian,TAN Yi-cheng,XIANG Qi-jun,WU Shang-hua.Research on the Mechanical Properties and Thermal Conductivity of 96 Alumina Ceramics[J].Journal of Synthetic Crystals,2017,46(9):1864-1868. |
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| Authors: | WU Hai-dong LIU Wei CHENG Li-xia LIU Jian TAN Yi-cheng XIANG Qi-jun WU Shang-hua |
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| Abstract: | The effect of sintering temperature on mechanical property and thermal property of alumina ceramics consolidated by pressureless sintering were investigated .The density , mechanical properties , thermal conductivity , microstructure , and phase composition were analyzed by Archimedes , three point bending , laser pulse method , scanning electron microscope and X-ray diffraction , respectively .The results showed that better thermal property and higher mechanical properties can be obtained at 1600 ℃and the value of thermal conductivity , density, hardness, bending strength are 24.9 W/(m· K), 3.82 g/cm3,(13.8 ±0.2) GPa, (362.9 ±26.9) MPa, respectively. |
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| Keywords: | alumina sintering temperature mechanical property thermal conductivity |
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