1. 毕业设计（论文）的内容和要求

一、毕业论文内容： 课程论文是对大学四年学习情况以及对所做的课题情况的真实反映，其内容应该包括以下方面： 1.查阅、搜集与本课题相关的书籍和文献资料，熟悉、了解无铅压电陶瓷材料的应用状况和常用的制备方法。

2.掌握传统固相法合成bnkt-st无铅压电陶瓷材料的制备工艺，并分析讨论掺杂以及改变工艺制度对合成bnkt-st无铅压电陶瓷材料的物相、形貌及尺寸的影响，并测试其应变性能。

最后，在这些基础上要总结实验操作经验及注意事项，并按要求完成毕业论文的全部内容。

2. 参考文献

[1] Liu X, Tan X. Giant Strains in Non-Textured (Bi1/2Na1/2)TiO3-Based Lead-Free Ceramics[J]. Advanced Materials, 2016,28(3):574-578. [2] Malik R A, Kang J K, Hussain A, et al. High strain in lead-free Nb-doped Bi1/2(Na0.84K0.16)1/2TiO3-SrTiO3 incipient piezoelectric ceramics[J]. Applied Physics Express, 2014. [3] Yiping Guo, Yun Liu, Withers R L. Large Electric Field-Induced Strain and Antiferroelectric Behavior in (1-x)(Na0.5Bi0.5)TiO3-xBaTiO3 Ceramics[J]. Chemistry of Materials, 2011. [4] Zhang S, Yang B, Cao W. The temperature-dependent electrical properties of Bi0.5Na0.5TiO3-BaTiO3-Bi0.5K0.5TiO3 near the morphotropic phase boundary[J]. Acta Materialia, 2012,60(2):469-475. [5] Tian C, Wang F, Ye X, et al. Bipolar fatigue-resistant behavior in ternary Bi0.5Na0.5TiO3-BaTiO3-SrTiO3 solid solutions[J]. Scripta Materialia, 2014,83:25-28. [6] Glaum J, Zakhozheva M, Acosta M, et al. Influence of B-Site Disorder on the Properties of Unpoled Bi1/2Na1/2TiO3-0.06Ba(ZrxTi1-x)O3 Piezoceramics[J]. Journal of the American Ceramic Society, 2016,99(8):2801-2808. [7] Bai W, Chen D, Huang Y, et al. Temperature-insensitive large strain response with a low hysteresis behavior in BNT-based ceramics[J]. Ceramics International, 2016,42(6):7669-7680. [8] Yu Z, Liu Y, Shen M, et al. Enhanced energy storage properties of BiAlO3 modified Bi0.5Na0.5TiO3-Bi0.5K0.5TiO3 lead-free antiferroelectric ceramics[J]. Ceramics International, 2017,43(10):7653-7659. [9] Chen J, Wang Y, Zhang Y, et al. Giant electric field-induced strain at room temperature in LiNbO3 -doped 0.94(Bi0.5Na0.5)TiO3-0.06BaTiO3[J]. Journal of the European Ceramic Society, 2017,37(6):2365-2371. [10] Wu L, Shen B, Hu Q, et al. Giant electromechanical strain response in lead-free SrTiO3-doped (Bi0.5Na0.5TiO3-BaTiO3)-LiNbO3 piezoelectric ceramics[J]. Journal of the American Ceramic Society, 2017,100(10):4670-4679. [11] Li T, Lou X, Ke X, et al. Giant strain with low hysteresis in A-site-deficient (Bi0.5Na0.5)TiO3 -based lead-free piezoceramics[J]. Acta Materialia, 2017,128:337-344. [12] Sumang R, Bongkarn T, Kumar N, et al. Investigation of a new lead-free (1-x-y)BNT-xBKT-yBZT piezoelectric ceramics[J]. Ceramics International, 2017,43:S102-S109. [13] Jin L, Li F, Zhang S. Decoding the Fingerprint of Ferroelectric Loops: Comprehension of the Material Properties and Structures[J]. Journal of the American Ceramic Society, 2014,97(1):1-27. [14] Shvartsman V V, Lupascu D C. Lead-Free Relaxor Ferroelectrics[J]. Journal of the American Ceramic Society, 2012,95(1):1-26. [15] Fan Z, Liu X, Tan X. Large electrocaloric responses in [Bi1/2(Na,K)1/2]TiO3-based ceramics with giant electro-strains[J]. Journal of the American Ceramic Society, 2017,100(5):2088-2097. [16] Malik R A, Hussain A, Maqbool A. Temperature-Insensitive High Strain in Lead-Free Bi0.5(Na0.84K0.16)0.5TiO3-0.04SrTiO3 Ceramics for Actuator Applications[J]. Journal of the American Ceramic Society, 2015,98(12).

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2017.12~2018.1 阅读相关文献及资料，了解课题的基本知识及相关背景 2018.1~2018.2 完成外文翻译，对已阅读的文献材料，进行总结，完成开题报告 2018.2~2018.4 进行相关实验内容，并对实验的结果进行分析讨论 2018.4~2018.5 对实验结果进行分析总结，撰写毕业论文 2018.5~2018.6 修改毕业论文及进行毕业答辩