A study on the welded joins for pipelines
Keywords:Wear, Welding, Hardness
This study deals with the wear experienced in the welded joins for pipelines. Its aim is to minimise the problems caused by this wear. An analysis is carried out on the tribological behaviour of three crucial areas within the welding: the basic metal, the heat-affected zone and the weld bead zone itself. The differences in mechanical properties between these areas are evaluated. Moreover, various alternatives in the welding process are proposed in an effort to improve the global behaviour of the join.
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