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Volume 28 Issue 1
Jan.  2002
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Journal of Beijing University of Aeronautics and Astronautics  > 2002  >  28(1): 74-77.
DENG Yang-chen, LI Zheng-neng, ZHANG Yi-ning, et al. Approximate Function Based Mathematical Modeling in Material Corrosion[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(1): 74-77. (in Chinese)
Citation: DENG Yang-chen, LI Zheng-neng, ZHANG Yi-ning, et al. Approximate Function Based Mathematical Modeling in Material Corrosion[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(1): 74-77. (in Chinese)
shu

Approximate Function Based Mathematical Modeling in Material Corrosion

  • 1.

    Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

  • 2. Shen Yang Aircraft Research Institute

  • 3. Beijing University of Aeronautics and Astronautics, Dept. of Materials Science and Engineering

  • Received Date: 29 May 2000
  • Publish Date: 31 Jan 2002
    Abstract
  • The approximate function was led to mathematical modeling in material corrosion. By the characteristic of corrosion data, the divisional mathematical modeling concept was proposed. And it was compared with three models, which were gray model, dynamic data & bi-directional difference model and power function model respectively. The results told us that approximate function model owned not only strong adaptation but applied foreground in engineering as well, besides the highest accuracy over the other three models. From the models posed in this article, we suggested that 'critical point in material corrosion' should exist to some extent.

     

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    • References(1)
  • [1] Mocuen R H, Albrecht P. Composite modeling of atmospheric corrosion penetration .In:Cragnolino G, Sridhar Ned, eds. Application Accelerated CorrosionTest to Service Life Prediction of Materials , 1994. 65~101. [2]Schmit L A, Miura H. Approximation concepts for structural synthesis ． AIAA J, 1974(12):692~699. [3]程基伟. 高强铝合金加速腐蚀方法及数学模型的研究 . 北京:北京航空航天大学材料科学与工程系,1998. [4]于国才,王振尧,陈鸿川. 沈阳地区碳钢、耐侯钢的腐蚀规律研究[J]. 腐蚀与防护,2000,21(6):243~245. [5]程基伟,张 琦. 材料腐蚀预测数学模型的研究[J]. 航空学报,2000,21(2):183~186. [6]邓扬晨,章怡宁,郦正能. 近似函数用于疲劳寿命曲线的数学建模[J]. 航空学报,2001,22(4):351~354. [7]赵国鹏,吴荫顺,顾正秋,等. 化学镀Ni-P合金在CO2溶液中的腐蚀磨损行为 . 腐蚀与防护,2000,21(5):195~198.
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