Finite Element Simulation of In-Service Sleeve Repair Welding of Gas Pipelines

Ahmed R. Alian; Mostafa Shazly; Mohammad M. Megahed

doi:10.4028/www.scientific.net/AMM.313-314.957

Paper Titles

Kinematics Analysis for a 4-DOF Palletizing Robot Manipulator
p.937

EKF-Based 6D SLAM for Air-Duct Cleaning Robot Using Inertial Sensor and Stereo Vision
p.941

The Closed Method of Solving in Inverse Solution of Position in Delta Parallel Mechanism
p.946

A Toy Robot via Cam Design as a Balance Module of Gravity Shifting
p.950

Finite Element Simulation of In-Service Sleeve Repair Welding of Gas Pipelines
p.957

Nonlinear Mathematical Modelling of Servo Pneumatic Positioning System
p.962

Modeling of Q – V Diagram Using SPICE for Electrostatic MEMS Converter Found in Energy Scavenging Systems
p.967

The Development of Simulation Tools for Design of Waveguide Filter Using Resonant Iris Circuit
p.971

Modeling and System Identification using Extended Kalman Filter for a Quadrotor System
p.976

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 313-314Finite Element Simulation of In-Service Sleeve...

Finite Element Simulation of In-Service Sleeve Repair Welding of Gas Pipelines

Abstract:

The purpose of this study is to investigate the influence of welding sequence on the risk of burn-through, cold cracking and residual stresses during in-service sleeve repair welding of gas pipelines. Based on ABAQUS software, axisymmetric finite e1ement models were conducted to calculate transient temperature distributions and resulting residual stress field after multi-pass sleeve fillet welding of in-service API 5L-X65 36” Schedule pipes. Influence of welding sequence was investigated by comparing residual stresses and transient deformations for sequential welding; in which welding of the two circumferential pipe/sleeve fillet welds was made in sequence, to the case of performing the two welds at the same time. Sequential welding was found to reduce weld zone distortion and residual stresses due to the sleeve freedom to expand axially while conducting the first fillet weld. The upper limit of heat input was found to generate higher pipe wall peak temperature, but not to the extent of initiating pipe wall melt through.

You might also be interested in these eBooks

Machinery Electronics and Control Engineering II

View Preview

Info:

Periodical:

Applied Mechanics and Materials (Volumes 313-314)

Pages:

957-961

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.313-314.957

Citation:

Cite this paper

Online since:

March 2013

Authors:

Ahmed R. Alian, Mostafa Shazly, Mohammad M. Megahed

Keywords:

Gas Pipelines, Melt through, Residual Stress, Sleeve Repair Welding, Welding Sequence

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] B. Bang, Y. Son and Y. Kim: Welding Journal (2002), P.273.

Google Scholar

[2] P.N. Sabapathy, M.A. Wahab and M.J. Painter: Int J Pres Ves Pip. Vol. 77 (2000), P.669.

Google Scholar

[3] J.L. Otegui, A. Cisilino, A.E. Rivas: Int J Pres Ves Pip. Vol. 79 (2001), P. 759.

Google Scholar

[4] ABAQUS user manual, version 6.11. Dassault Systèmes Simulia Corp. (2011).

Google Scholar

[5] API Standard 1104: Welding of Pipelines and Related Facilities. American Petroleum Institute (1999).

Google Scholar

[6] ASME B36.10M: Welded and Seamless Wrought Stee Pipe. American Society of Mechanical Engineers (2004).

Google Scholar

[7] D. Deng, H. Murakawa and W. Liang: Comput. Mater. Sci. Vol. 42 (2007), P.234.

Google Scholar

[8] M.J. Cola, W.A. Bruce, J.F. Kiefner and R.D. Fischer: American Gas Association. Development of Simplified Weld Cooling Rate Models for In-Service Gas Pipelines. Final Report PR (1991), P.185.

Google Scholar

[9] M. Atkin: Atlas of continuous cooling transformation diagrams for engineering steels. British Steel Corporation. American Society for Metals, Revised ed. (1980).

Google Scholar