1. 毕业设计（论文）的内容和要求

3d 打印技术为快速成型技术的一种，它以数字模型文件为基础，利用金属粉末、高分子聚合物，甚至活细胞等材料，通过逐层打印，构造出物体原形的高新技术。

由于3d 打印技术无需任何加工磨具，工艺快速简单，因此较多的应用于航天航空、医学领域等。

电化学腐蚀是指金属材料在电解质溶液中，通过表面产生的原电池作用而引起金属材料的腐蚀破坏。

2. 参考文献

[1] Hsu R W W, Yang C C, Huang C A, et al. Investigation on the corrosion behavior of Ti#8211;6Al#8211;4V implant alloy by electrochemical techniques[J]. Materials chemistry and physics, 2004, 86(2-3): 269-278. [2] Hsu R W W, Yang C C, Huang C A, et al. Electrochemical corrosion properties of Ti#8211;6Al#8211;4V implant alloy in the biological environment[J]. Materials Science and Engineering: A, 2004, 380(1-2): 100-109. [3] Revathi A, Vijayalakshmi U, Geetha M. Comparative study of electrochemical behaviour of CP-titanium and Ti#8211;6Al#8211;4V with other titanium based alloys for biomedical applications[J]. Materials Processing Report, 2014, 29(sup1). [4] Fojt J, Fousova M, Jablonska E, et al. Corrosion behaviour and cell interaction of Ti-6Al-4V alloy prepared by two techniques of 3D printing[J]. Materials Science and Engineering: C, 2018, 93:911-920. [5] Tamilselvi S, Raman V, Rajendran N. Corrosion behaviour of Ti#8211;6Al#8211;7Nb and Ti#8211;6Al#8211;4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy[J]. Electrochimica Acta, 2007, 52(3):839-846. [6] Lu J, Zhao Y, Niu H, et al. Electrochemical corrosion behavior and elasticity properties of Ti#8211;6Al#8211;xFe alloys for biomedical applications[J]. Materials Science and Engineering: C, 2016, 62: 36-44. [7] Mareci D, Rusu I, Chelariu R, et al. Application of dynamic electrochemical impedance spectroscopy to the evaluation of the corrosion resistance of a historic bronze object in artificial acid rainwater[J]. European Journal of Science and Theology, 2013, 9(6): 189-199. [8] Chenghao L, Li'nan J, Chuanjun Y, et al. Crevice corrosion behavior of CP Ti, Ti-6Al-4V alloy and Ti-Ni shape memory alloy in artificial body fluids[J]. Rare Metal Materials and Engineering, 2015, 44(4): 781-785. [9] Tamilselvi S, Murugaraj R, Rajendran N. Electrochemical impedance spectroscopic studies of titanium and its alloys in saline medium[J]. Materials and Corrosion, 2007, 58(2): 113-120. [10] Jun C, Zhang Q. Effect of electrochemical state on corrosion#8211;wear behaviors of TC4 alloy in artificial seawater[J]. Transactions of Nonferrous Metals Society of China, 2016, 26(4): 1011-1018. [11] Alves V A, Reis R Q, Santos I C B, et al. In situ impedance spectroscopy study of the electrochemical corrosion of Ti and Ti#8211;6Al#8211;4V in simulated body fluid at 25℃ and 37℃[J]. Corrosion Science, 2009, 51(10): 2473-2482. [12] Song#252;r M, #199;elikkan H, G#246;kme#351;e F, et al. Electrochemical corrosion properties of metal alloys used in orthopaedic implants[J]. Journal of Applied Electrochemistry, 2009, 39(8): 1259. [13] Dalmau A, Pina V G, Devesa F, et al. Influence of fabrication process on electrochemical and surface properties of Ti#8211;6Al#8211;4V alloy for medical applications[J]. Electrochimica Acta, 2013, 95: 102-111. [14] 孙小燕, 殷韦韦, 袁力. 3D打印TC4钛合金粉末制备方法及组织性能研究[J]. 装备制造技术, 2018(8). [15] 王勇, 蒋军杰, 乔丽英, 等. 选区激光熔化TC4生物腐蚀和生物相容性分析[J]. 重庆大学学报, 2015, 38(3):21-27. [16] 杨慧慧, 杨晶晶, 喻寒琛, 等. 激光选区熔化成形 TC4 合金腐蚀行为[J]. 材料工程, 2018 (2018 年 08): 127-133. [17] 董欢欢, 陈岁元, 郭快快, 等. EIGA 法制备 TC4 合金粉末的激光 3D 打印性能研究[J]. 有色矿冶, 2016, 32(6): 34-39. [18] 张玮航, 周文博, 潘红娟. 不同打印参数对 3D 打印钛合金电化学腐蚀的影响[J]. 广东化工, 2017, 44(1): 35-36.

3. 毕业设计（论文）进程安排

2018.12.20~2019.01.13 查阅中外文资料，翻译外文资料，撰写开题报告 参加开题答辩 2019.02.25~2019.03.06 制定研究方案，熟悉仪器 参加讨论 2019.03.07~2019.03.15 前期的实验研究，结果分析 参加讨论 2019.03.16~2019.04.15 撰写中期报告 参加中期答辩 2019.04.16~2019.05.15 整理数据，撰写论文初稿 参加讨论 2019.05.16~2019.06.15 查重，PPT准备 参加毕业答辩