Analysis on High-Temperature Oxidation and the Growth Stress of Iron-Based Alloy Using Phase Field Method

YANG Fan; LIU Bin; FANG Dai-ning

doi:10.3879/j.issn.1000-0887.2011.06.008

Volume 32 Issue 6

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YANG Fan, LIU Bin, FANG Dai-ning. Analysis on High-Temperature Oxidation and the Growth Stress of Iron-Based Alloy Using Phase Field Method[J]. Applied Mathematics and Mechanics, 2011, 32(6): 710-717. doi: 10.3879/j.issn.1000-0887.2011.06.008

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Analysis on High-Temperature Oxidation and the Growth Stress of Iron-Based Alloy Using Phase Field Method

doi: 10.3879/j.issn.1000-0887.2011.06.008

Department of Engineering Mechanics, School of Aerospace, Tsinghua University, Beijing 100084, P. R. China;
Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, P. R. China

Received Date: 2011-03-23
Rev Recd Date: 2011-04-14
Publish Date: 2011-06-15

Abstract

Abstract

High-temperature oxidation was an important property to evaluate the thermal protection materials.However,as oxidation was a complex process involving microstructure evolution,its quantitative analysis had always been a challenge issue.A phase field method based on thermodynamics theory was developed to simulate oxidation behavior and oxidation induced growth stress.It involves microstructure evolution,and solves the problem of quantitatively computational analysis for oxidation behavior and growth stress.Employing this method,the diffusion process,oxidation performance and stress evolution were predicted for Fe-Cr-Al-Y alloys.Numerical results agree with experiment data well.The linear relationship between maximum growth stress and the environment oxygen concentration is found.This phase field method provides a powerful tool to investigate high temperature oxidation in complex environment.
- high-temperature,
- oxidation,
- phase field method(PFM),
- growth stress

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References(21)

References

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