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The aim of this project is to determine, from the technical point of view, the best welding process to join stainless steel to carbon steel, to develop predictive welding models and simultaneously to increase the knowledge of dissimilar joints behaviour. Three different grades of stainless steels (austenitic, ferritic and martensitic) were joined to a carbon steel (RSt 37.2) using different welding processes. The later were the conventional type (pulsed TIG and synergic MIG) and the so-called high energy density processes (the plasma, laser and electron beams). The steel thicknesses were between 1.5 mm and 6 mm. The quality evaluation of the joints produced was made by radiography, and testing of mechanical and metallurgical properties. Welding models were developed to allow the prediction of thermal evolution during the welding cycles and consequently weld dimensions and properties.

Additional information

Authors: QUINTINO L, Instituto Superior Tecnico Secçao Tecnologia Mechânica, Lisboa (PT);MARTOS TIRADO J, Factoria de Acerinox, Los Barrios (ES)
Bibliographic Reference: EUR 17834 EN (1998) 286pp., ECU 48.00
Availability: Available from the (2)
ISBN: ISBN 92-828-1686-9
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