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Optimization and Reliability Analysis of 2.5D C/SiC Composites Turbine Stator Vane

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Abstract

This paper presents a feasible and efficient methodology to design 2.5D C/SiC composites vane system. To better represent the architecture of 2.5D C/SiC composites, here we define five geometric parameters to describe its microstructure based on the optical photomicrographs. The double scale model for mechanical properties of 2.5D C/SiC composites has been presented to provide a reliable validation with the experimental results. Meanwhile, Monte Carlo (MC) simulation method has been employed to investigate the stochastic behavior of 2.5D C/SiC composites mechanical properties. MC simulation results show that mechanical properties of 2.5D C/SiC composites heavily depends on the stochastic behavior of components and the microstructure of 2.5D composites. To fully explore the potential of 2.5D C/SiC composite, finally we present a vane optimization model and investigate its reliability by integrating the analytical model for mechanical properties with the finite element model analysis. These findings provide an effective method to assess the risk of vane design.

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Acknowledgments

Supports of this project provided by National Basic Research Program of China, National Natural Science Foundation of China (51075204), Aeronautical Science Foundation of China (2012ZB52026), Research Fund for the Doctoral Program of Higher Education of China (20070287039), and the Fundamental Research Funds for the Central Universities (NS2014024) are gratefully acknowledged.

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Authors and Affiliations

  1. College of Energy and Power Engineering and Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing University of Aeronautics and Astronautics, Nanjing, People’s Republic of China, 210016

    Zhigang Sun, Chunyuan Kong, Xuming Niu & Yingdong Song

  2. College of Engineering, University of Georgia, Athens, GA, 30602, USA

    Xianqiao Wang

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  1. Zhigang Sun
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  2. Chunyuan Kong
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  3. Xuming Niu
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  4. Yingdong Song
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  5. Xianqiao Wang
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Correspondence to Zhigang Sun.

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Sun, Z., Kong, C., Niu, X. et al. Optimization and Reliability Analysis of 2.5D C/SiC Composites Turbine Stator Vane. Appl Compos Mater 21, 789–803 (2014). https://doi.org/10.1007/s10443-013-9374-z

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  • DOI: https://doi.org/10.1007/s10443-013-9374-z

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