Vol.9, No1, 2009, pp. 9-14
 UDC 621.643.027:669.15:539.431  620.17:669.15

HYDROGEN EFFECT ON FATIGUE AND FRACTURE RESISTANCE OF A PIPE STEEL

Julien Capelle, Joseph Gilgert, Guy Pluvinage 1

Ihor Dmytrakh 2

1 Ecole Nationale d’Ingénieurs de Metz et Université Paul Verlaine Metz, France

2 Karpenko Physico-Mechanical Institute of National Academy of Sciences of Ukraine

Abstract

Transport by pipelines is more used at the present time to transfer liquid or gas sources of energy from the location of extraction to the region of use. With the reduction of oil reserves, hydrogen became an interesting source of energy. To avoid any risk of explosion or escape during hydrogen transport and to reduce the problem of pollution and fatal consequences, mechanical properties of steels used for the manufacturing of pipes should be known. In the paper the results of experimental analyses of the hydrogen effect on mechanical properties of API 5L X52 pipe steel regarding its resistance to fatigue and fracture are presented.

Keywords: hydrogen, API 5L X52, fracture toughness, Wöhler curve, “Roman Tile” specimen

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