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The Safety Study on Corrosion Damage of LC4 Aluminum Alloys by Finite Element Method

机译：有限元法研究LC4铝合金腐蚀损伤的安全性。

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摘要

The corrosion damage data are obtained through the pre-corrosion accelerated experiment which is performed under three different time levels: 24h, 48h and 72h. Based on the corrosion damage data, a three-dimension (3D) solid model is created by CAD. An analysis procedure is developed using CAD and finite element analysis to predict stresses and residual strength due to corroded pits. The residual strength results of specimens are obtained from the model based on the corrosion damage data. The simulation results are compared with the true testing static intensity results and the method is proved that it is reliable and effective in engineering.
机译：腐蚀破坏数据是通过腐蚀前加速实验获得的，该实验是在三个不同的时间水平（24h，48h和72h）下进行的。根据腐蚀破坏数据，通过CAD创建三维（3D）实体模型。使用CAD和有限元分析开发了一种分析程序，以预测由于腐蚀坑而产生的应力和残余强度。根据腐蚀损伤数据，从模型中获得样品的残余强度结果。将仿真结果与实际测试的静态强度结果进行了比较，证明了该方法在工程上是可靠有效的。

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  • 来源
    《Materials and product technologies》|2010年|p.176-180|共5页
  • 会议地点 Shenyang(CN);Shenyang(CN)
  • 作者

    WANG Zhenguo; LV Shengli; XU Chenglong; ZHANG Wei;

  • 作者单位

    National Key Laboratory of Science and Technology on UAV, Northwestern Polytechnical University, Xi’an 710072, China School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;

    National Key Laboratory of Science and Technology on UAV, Northwestern Polytechnical University, Xi’an 710072, China;

    National Key Laboratory of Science and Technology on UAV, Northwestern Polytechnical University, Xi’an 710072, China School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;

    National Key Laboratory of Science and Technology on UAV, Northwestern Polytechnical University, Xi’an 710072, China School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;

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  • 中图分类 工程材料一般性问题;
  • 关键词

    Pre-corrosion; Corrosion damage; Residual strength; Finite element method;

    机译：预腐蚀;腐蚀破坏;残余强度;有限元法;

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