钛合金中的杂质扩散行为研究任务书

 2021-10-20 19:23:15

1. 毕业设计（论文）的内容和要求

本课题研究背景：钛合金由于其高比强度、高耐蚀性被称为航空金属、海洋金属。

近些年来，钛合金在海工装备、航空航天方面的应用呈现快速增长。

如在航空方面最新A350 波音780等客机及林肯号航母等的钛使用量居世界之首，我国最新的C919钛使用量只接近欧美先进客机的四分之一。

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2. 参考文献

[1] 张建鑫.钛及钛合金的应用[J].黑龙江科技信息,2014,(20): 112.[2] 费有静.钛及钛合金材料的应用分析[J].新材料产业,2017,(03): 15-18.[3] 潘雄泽,唐壁玉.非金属溶质C、H、O和N对α型钛合金基面滑移的影响[J].广西大学学报(自然科学版),2016,41(5): 1616-1621.[4] 曹建玲,沈保罗,高升吉等.Ti-Al-Zr合金的氢致延迟断裂行为[J].中国有色金属学报,2002,12(A1): 74-77.[5] D. Kang, K. Lee, E. Kwon, et al. Variation of work hardening rate by oxygen contents in pure titanium alloy[J]. Materials Science and Engineering: A, 2015, 632: 120-126.[6] J. Qu, P.J. Blau, J.Y. Howe, et al. Oxygen diffusion enables anti-wear boundary film formation on titanium surfaces in zinc-dialkyl-dithiophosphate (ZDDP) - containing lubricants[J]. Scripta Materialia, 2009, 60: 886-889.[7] S. Shang, B. Zhou, W.Y. Wang, et al. A comprehensive first-principles study of pure elements: Vacancy formation and migration energies and self-diffusion coefficients[J]. Acta Materialia, 2016, 109: 128-141.[8] L. Scotti, A. Mottura. Interstitial diffusion of O, N, and C in alpha-Ti from first-principles: Analytical model and kinetic Monte Carlo simulations[J]. Journal of Chemical Physics, 2016, 144(8): 084701.[9]Liu Song, Wang Yin-gang, First principles of hydrogen diffusion mechanism in titianium crystals, The Chinese Journal of Nonferrous Metals 25（11）（2015）3100-3106.[10] Yang Liang, Wang Caishi, Lin Shiwei, Cao Yang, First-principles investigation of oxygen diffusion mechanism in -titanium crystal, Acta Phys. Sin. 66(11) 2017 116601-01-08[11] X.L. Han, Q. Wang, D.L. Sun, Q. Guo, First-pinciples study of hydrogen diffusion in alpha Ti, International Journal of Hydrogen Energy 34 (2009) 3983-3987.[12] P. Kwasniak, M. Muzyk, H. Garbacz, K.J. Kurzydlowski, Influence of C, H, N and O interstitial atoms on deformation mechanism in titanim-first principles calculations of generalized stacking fault energy, Materials Letters 94 (2013) 92-94.[13] Y. Song, Z.X. Guo, Influence of intersitial elements on the bulk modulus and theoretical strength of α-titanium: a first-principles study, Philosophical Magazine A 82(7) (2002) 1345-1359.

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