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Research Papers: Design and Analysis

Thermomechanical Analysis of Pressure Vessels With Functionally Graded Material Coating

[+] Author and Article Information
Z. W. Wang

Department of Chemical Machinery,
Dalian University of Technology,
No. 2, Linggong Road, Dalian,
Liaoning 116024, China
e-mail: wangzewu@dlut.edu.cn

Q. Zhang

Department of Chemical Machinery,
Dalian University of Technology,
No. 2, Linggong Road, Dalian,
Liaoning 116024, China
e-mail: 595748323@qq.com

L. Z. Xia

Department of Chemical Machinery,
Dalian University of Technology,
No. 2, Linggong Road, Dalian,
Liaoning 116024, China
e-mail: xialiangzhi0411@163.com

J. T. Wu

Department of Chemical Machinery,
Dalian University of Technology,
No. 2, Linggong Road, Dalian,
Liaoning 116024, China
e-mail: wujt75@dlut.edu.cn

P. Q. Liu

Department of Chemical Machinery,
Dalian University of Technology,
No. 2, Linggong Road, Dalian,
Liaoning 116024, China
e-mail: lpq21cn@dlut.edu.cn

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received October 29, 2014; final manuscript received July 3, 2015; published online September 7, 2015. Assoc. Editor: Albert E. Segall.

J. Pressure Vessel Technol 138(1), 011205 (Sep 07, 2015) (10 pages) Paper No: PVT-14-1175; doi: 10.1115/1.4031030 History: Received October 29, 2014

Pressure vessels covered with overlaying layer or coating are widely applied due to its strong heat resistance, corrosion resistance, and load-carrying capacity. However, limited work has been reported on investigating the thermomechanical behavior of a pressure vessel with a functionally graded material (FGM) coating. In this study, a closed-form analytical solution was first derived for calculating the stress distribution in a pressure vessel with an FGM coating subjected to an internal pressure and a thermal load. Afterwards, a numerical solution was also established for validating the analytical solution using finite element (FE) method. It was found out that the analytical solution agreed well with the numerical ones, and the thermomechanical properties of FGM coating were also discussed in detail. This work would be helpful for better understanding and scientific design of pressure vessels with an FGM coating or related thin-walled structures.

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References

Figures

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Fig. 1

Geometry structure of pressure vessel with an FGM coating. (a) Cross section and (b) profile line.

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Fig. 2

Geometric and FE model of the pressure vessel. (a) Geometric model and (b) FE model.

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Fig. 3

Curves of the hoop stress using different FGM layers

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Fig. 4

Curves of the hoop stress versus radius

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Fig. 5

Curves of the radial stress versus radius

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Fig. 6

Curves of the axial stress versus radius

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Fig. 7

Comparison of the hoop stress between vessels A and B

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Fig. 8

Comparison of the hoop stress among vessels C–E

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