EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||8|
|Section||Fracture and Fatigue|
|Published online||10 June 2010|
Influence of sand movement in the Sahara on the erosion of pipeline network
Laboratoire de mécanique Biomécanique Polymères Structures
(LaBPS), Ecole Nationale d’Ingénieurs de Metz ENIM, Ile du Saulcy 57045
Metz Cedex 1, France
2 Laboratoire d’Etude des Textures et Application aux Matériaux (LETAM), Ile du Saulcy, 57012 Metz Cedex, France
3 Département Technologie de, Polymères et Composites et Ingénierie Mécanique, Ecole des Mines de Douai 941, rue Charles Bourseul - B.P. 10838 – 59508 Douai Cedex, France
a e-mail: firstname.lastname@example.org
The influence of sandblasting on a surface notched of pipeline with API 5L X52 steel is studied. The purpose of this study is to determine the evolution of static characteristics and lifetime of material in both directions of pipeline (Longitudinal (L) and Transverse (T)). Specimens were taken from a pipeline and the material damage was made by projecting corundum particles (aluminium oxide). In order to justify the evolution of mechanical properties of material, residual stress analysis was realized by the technique of X-ray diffraction. The observation of damage mode and distribution of residual stress under the notch tip show that the material hardening, the notch radius and the compressive stress, play together an important role in stabilizing the material mechanical properties.
© Owned by the authors, published by EDP Sciences, 2010
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