Pipelines are the most flexible, economic, and convenient way for oil and gas transportation. Material degradation by slurry erosion is a common feature in oil transmission pipeline. In the present work, slurry erosion of AISI 1018, AISI 1080, API X42, and API X70 steels is investigated in terms of slurry velocity and target material microstructure. The slurry velocity and impact angle employed were 0.2, 0.29, 0.36, and 0.43 m s−1 and 90 deg, respectively. It is found that erosion rate increases with increasing slurry velocity. Scanning electron microscopy was employed to investigate the eroded surface and subsurface of the steels. Plastic deformation, microcutting, and fracture are identified as dominant erosion mechanisms. Pearlitic microstructure exhibits superior erosion resistance compared to ferrite depending upon slurry velocity and microstructural orientation.
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April 2016
Research-Article
Slurry Erosion of Pipeline Steel: Effect of Velocity and Microstructure
Tahrim Alam,
Tahrim Alam
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
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Md. Aminul Islam,
Md. Aminul Islam
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Search for other works by this author on:
Zoheir N. Farhat
Zoheir N. Farhat
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Search for other works by this author on:
Tahrim Alam
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Md. Aminul Islam
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Zoheir N. Farhat
Department of Process Engineering and
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Applied Science,
Materials Engineering Program,
Dalhousie University,
Halifax, NS B3J 2X4 Canada
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received July 3, 2015; final manuscript received September 2, 2015; published online November 4, 2015. Assoc. Editor: George K. Nikas.
J. Tribol. Apr 2016, 138(2): 021604 (10 pages)
Published Online: November 4, 2015
Article history
Received:
July 3, 2015
Revised:
September 2, 2015
Citation
Alam, T., Aminul Islam, M., and Farhat, Z. N. (November 4, 2015). "Slurry Erosion of Pipeline Steel: Effect of Velocity and Microstructure." ASME. J. Tribol. April 2016; 138(2): 021604. https://doi.org/10.1115/1.4031599
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