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毕业论文网 > 任务书 > 材料类 > 金属材料工程 > 正文

分散缩孔对Al-Si合金耐蚀性能的影响及其改性任务书

 2020-06-25 08:06  

1. 毕业设计(论文)的内容和要求

al-si合金作为常见的铸造材料被广泛应用在各种管道和结构件中。

在硅含量较低时,由于成分点偏离al-si合金的共晶点,会造成大量的分散缩孔,对铝合金的耐蚀性能有显著的破坏作用,大大降低铝工件的使用寿命。

本课题主要通过研究分散缩孔对铝合金表面腐蚀性能的影响及腐蚀机理的研究。

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2. 参考文献

1、金星, 高立新, 张大全. Al-Si合金腐蚀与防护的研究进展[J]. 全面腐蚀控制, 2010, 24(9):12-16. 2、赵晴, 周永峰, 周海飞,等. α-Al_2O_3微粒对铸造Al-Si合金微弧氧化膜耐蚀性的影响[J]. 表面技术, 2016, 45(3):120-126. 3、LI H X, RUDNEV V S, ZHENG X H, YAROVAYA T P, SONG RG. Characterization of Al2O3 ceramic coatings on 6063 aluminum alloy prepared in borate electrolytes by micro arc oxidation [J]. Journal of Alloys and Compounds, 2008, 462: 99-102. 4、Effect of plasma electrolytic oxidation coating on the stress corrosion cracking behaviour of wrought AZ61 magnesium alloy [J]. Corros Sci, 2008,50: 2415-2418. 5、OH Young-Jun, MUN Jung-II, KIM Jung-Hwan. Effects of alloying elements on microstructure and protective properties of Al2O3 coatings formed on aluminum alloy substrates by plasma electrolysis [J]. Surf Coat Technol, 2009, 204: 141-148. 6、TILLOUS K, TOLL-DOUCHANOY T, BAUER-GROSSE E, HERICHER L, GEANDIER G. Microstructure and phase composition of micro arc oxidation surface layers formed on aluminium and its alloys 2214-T6 and 7050-T74 [J]. Surf. Coat. Technol, 2009, 203: 2969-2973. 7、邵敏华, 林昌健. Al合金点腐蚀及研究方法[J]. 腐蚀科学与防护技术, 2002, 14(3):147-151. 8、范鹏. 铸造Al-Si系合金电化学行为的研究[D]. 广西大学, 2007. 9、Zhao X-H, Zuo Y, Zhao J-M, et al. A study on the self-sealing process of anodic films on aluminum by EIS [J]. Surface and Coatings Technology, 2006, 200(24): 6846-6853. 10、Hakimizad, A. Raeissi, K. Ashrafizadeh, F. Characterization of aluminum anodized layers modified in sulfuric and phosphoric acid baths and their effect on conventional electrolytic coloring[J]. Surface and Coatings Technology, 2012, 206: 2438-2445. 11、Moutarlier, V. Gigandet, M. P. Normand, B. Pagetti, J. EIS characterisation of anodic films formed on 2024 aluminium alloy, in sulphuric acid containing molybdate or permanganate species[J]. corrosion science, 2005, 47: 937-951 12、Cheng, Tsung-Chieh. Chou, Chu-Chiang. The Electrical and Mechanical Properties of Porous Anodic 6061-T6 Aluminum Alloy Oxide Film[J]. Journal of Nanomaterials, 2015: 1-5 13、Zhao H M, Jiang J L. Effects of Process Parameters on Thickness and Hardness of Micro-Arc Oxidation Aluminum Oxide Ceramic Coating[J]. Materials Protection, 2005. 14、Zhao W S, Xin T Z, Wang Z L, et al. Research on Properties and Formation Mechanism of Ceramic Coatings Prepared by Micro-Arc Oxidation on 2024 Aluminum Alloy Surface[J]. Key Engineering Materials, 2006, 315-316:259-263. 15、Liu Y, Xu J, Gao Y, et al. Influences of Additive on the Formation and Corrosion Resistance of Micro-arc Oxidation Ceramic Coatings on Aluminum Alloy[J]. Physics Procedia, 2012, 32(33):107-112.

3. 毕业设计(论文)进程安排

2018.2.25-2018.3.10:完成文献综述及开题报告的撰写任务、文献翻译完成; 2018.3.11-2018.4.20:完成材料的制备及结构表征; 2018.4.21-2018.5.10:完成合金材料的腐蚀电化学性能测试; 2018.5.11-2018.6.1:完成实验数据的分析及整理工作,在此基础上完成毕业论文的撰写。

2018.6.2-2018.6.15:修改毕业论文并完成毕业论文的答辩。

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