掺加BMT铌镁酸铅-钛酸铅弛豫铁电陶瓷的制备及其应变的研究任务书
2020-06-06 11:03:43
1. 毕业设计（论文）的内容和要求
随着电子设备及元器件向着小型、高效方向发展的需要，特别是集成电路、计算机和表面组装等电子信息技术发展的需求，使得压电材料的市场需求量与日俱增。铌镁酸铅-钛酸铅（pmn-pt）弛豫铁电陶瓷是弛豫铁电体pmn和普通铁电体pt的固溶体，pmn通过掺入pt能有效改善pmn的性能，使其具有优良的电性能，但其电致应变与无铅含铋基铁电陶瓷相比，性能又有所不及（特别是应用温度范围；故本课题组首先合成0.65pmn-0.35pt铁电陶瓷，然后掺入钛镁酸铋铁（bmt）改性pmn-pt陶瓷，最后选取合适的工艺制度制备得到性能优越的铁电陶瓷。为了顺利完成毕业论文并力求得到锻炼：
1、掌握常用的文献检索手段和方法，通过相对该同学提出的具体要求如下关文献查阅，了解常用的弛豫铁电陶瓷材料，对弛豫铁电材料的各种制备方法进行综述，要求阅读中英文文献不少于10篇。
2、在文献综述的基础上，根据毕业论文任务安排，独立制定出论文的研究方案、解决途径及工作计划，完成开题报告。
2. 参考文献
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3. 毕业设计（论文）进程安排
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起讫日期 |
设计（论文）各阶段工作内容 |
备 注 |
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2016-12-16～2017-01-10 |
查阅文献，制定实验方案，完成开题报告 |
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2017-01-10～2017-02-10 |
制备0.65PMN-0.35PT弛豫铁电陶瓷，确定合适的煅烧、烧结工艺 |
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2017-02-11～2017-04-10 |
掺入BMT改性PMN-PT基陶瓷，探讨BMT含量对PMN-PT基电性能的影响 |
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2017-04-11～2017-05-31 |
利用XRD，SEM和铁电仪等手段对样品组成结构和电性能进行表征 |
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2017-06-01～2017-06-13 |
毕业论文的撰写，完成毕业论文的各项结束工作和毕业答辩 |
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