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Research Papers: Design and Analysis

Analysis of Contact Pressure of Mechanically Lined Corrosion Resistant Alloy Pipe by Hydraulic Expansion Process

[+] Author and Article Information
Tianye Guo, Firas Jarrar, Jamal Y. Sheikh-Ahmad

Department of Mechanical Engineering,
The Petroleum Institute,
Abu Dhabi, United Arab Emirates

Fahrettin Ozturk

Department of Mechanical Engineering,
The Petroleum Institute,
Abu Dhabi, United Arab Emirates
e-mail: fozturk@pi.ac.ae

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received May 21, 2016; final manuscript received October 31, 2016; published online January 20, 2017. Assoc. Editor: David L. Rudland.

J. Pressure Vessel Technol 139(2), 021212 (Jan 20, 2017) (7 pages) Paper No: PVT-16-1083; doi: 10.1115/1.4035314 History: Received May 21, 2016; Revised October 31, 2016

In this present study, an improved theoretical model is developed to analyze the manufacturing process of a mechanically lined corrosion resistant alloy (CRA) pipe by a hydraulic expansion. The formula of the relationship between the applied hydraulic pressure and the resulting residual interfacial pressure between the inner liner and outer pipes for the mechanically lined CRA pipe is obtained. The minimum and maximum critical hydraulic pressures are also investigated and an effective forming pressure ranges is found. A 2D axisymmetric finite-element model is built in abaqus to simulate the mechanically lined CRA pipe during the hydraulic expansion manufacturing process. The analytical and simulation results are compared with the experimental results found in the literature, which reveals that the theoretically calculated residual contact pressure and the finite-element computed results are in good accord with the experimental results. Therefore, the models built in this paper can be applied in actual manufacturing process of mechanically lined CRA pipes.

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Copyright © 2017 by ASME
Topics: Pressure , Pipes , Stress
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References

Figures

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Fig. 1

Hydraulic expansion principle for a lined pipe

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Fig. 2

Schematic illustration of the mechanically lined CRA pipe under loading up to points 3 and 3′, respectively. (a) Mechanically lined CRA pipe, (b) liner pipe, and (c) outer pipe.

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Fig. 3

Schematic illustration of unloading process of the inner and the outer pipes up to points 5 and 5′, respectively. (a) Mechanically lined CRA pipe, (b) liner pipe, and (c) outer pipe.

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Fig. 4

The flow chart of the residual contact pressure calculation

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Fig. 5

Two-dimensional axisymmetric model of the CRA lined pipe

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Fig. 6

True stress–true strain curve of stainless steel 201 CRA liner [16]

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Fig. 7

Contact pressure in the loading and the unloading processes of 31 MPa hydraulic pressure

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Fig. 8

Contact pressure in the loading and the unloading processes of 42 MPa hydraulic pressure

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Fig. 9

Contact pressure in the loading and the unloading processes of 48 MPa hydraulic pressure

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Fig. 10

The von Mises stress distribution with a distance through the mechanically lined CRA pipe wall thickness: (a) at the maximum loading condition and (b) after the unloading

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Fig. 11

Comparison of the numerical and the analytical results with the experimental results

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