1. 毕业设计（论文）的内容和要求

形状记忆合金作为一种智能材料，具有形状记忆效应、超弹性和高阻尼等特性，已被广泛地应用于航空航天和汽车工业等领域。

最近，mg-sc二元体系中发现了β_bcc#8596;α″_orthorhombic马氏体相变，并制备出mg-20 at. %sc轻质低温形状记忆合金。

然而，过低的马氏体相变温度和sc高昂的价格限制了mg-sc形状记忆合金迅速走向工业应用。

2. 参考文献

[1] J. M. Jani，M Leary., A Subic., M. A. Gibson; A review of shape memory alloy research, applications and opportunities, Mater. Design, 56 (2014) 1078#8211;1113. [2] 吴国华, 陈玉狮, 丁文江； 镁合金在航空航天领域研究应用现状与展望. 载人航天, 3 (2016): 281-292. [3] T. Saburi; Ti-Ni shape memory alloys, T. Tadaki; Cu-based shape memory alloys, T. Maki.; Ferrous shape memory alloys. In: K. Otsuka, C. M Wayman., (Ed). Shape memory materials. Cambridge University Press; (1999) 49#8211;132. [4] K. Bhattacharya; Microstructure of martensite-why it forms and how it gives rise to the shape memory effect, Oxford University Press; (2003). 143-159 [5] Y Ogawa, D Ando, Y Sutou, et al. A lightweight shape-memory magnesium alloy[J]. Science, 2016,353(6297):368. [6] A. Pisch, R. Schmid-Fetzer, G. Cacciamani, P. Riani, A. Saccone, R. Ferro; Mg-rich phase equilibria and thermodynamic assessment of the Mg-Sc system. Z. Metallkd., 89 (1998): 474-477 [7] N. Saunders; A review and thermodynamic assessment of the Al-Mg and Mg-Li systems. CALPHAD 14 (1990): 61-70 [8] B. Srinivasarao, A.P. Zhilyaev, I. Guti#233;rrez-Urrutiad, M.T. P#233;rez-Prado; Stabilization of metastable phases in Mg#8211;Li alloys by high-pressure torsion, Scripta Mater. 68 (2013) 583#8211;586 [9] P. Atkins; Shriver and Atkins' inorganic chemistry. Oxford University Press, USA, (2010). [10] R. Shi, A. A. Luo; Applications of CALPHAD modeling and databases in advanced lightweight metallic materials, CALPHAD 62(2018): 1-17.

3. 毕业设计（论文）进程安排

2018.12.25~2019.1.10 查阅中外文资料，翻译外文资料，参加讨论。

2019.1.10~2019.1.20 撰写开题报告，参加开题答辩。

2019.3.1~2019.3.8 制定研究方案，熟悉仪器，参加讨论。