High carbon welding electrode and method of welding with...

Details High carbon welding electrode and method of welding with... High carbon welding electrode and method of welding with...

B - Operations, Transporting

23

K

B23K 35/24 (2006.01) B23K 9/00 (2006.01) B23K 35/40 (2006.01)

Patent

CA 2540955

High carbon welding electrode is used in the welding of high strength steel using gas shielded arc welding techniques whereby a plurality of beads of molten weld material join together rail ends or fill a slot in a rail for repair purposes, the high carbon electrode avoiding adjacent soft and brittle areas across a weld fusion line which result from migration of carbon from the carbon rich high strength steel to the lower carbon weld deposit.

L'invention concerne une électrode de soudure à forte teneur en carbone pour la soudure d'acier haute résistance, faisant appel à des techniques de soudure à l'arc en atmosphère gazeuse : plusieurs perles de matériau de soudure fondu permettent de relier des extrémités de rail ou de remplir une fente dans un rail, aux fins de réparation; ladite électrode permet d'éviter la présence de zones adjacentes molles et cassantes sur l'étendue d'une ligne de soudure à la fusion, engendrant une migration de carbone depuis l'acier haute résistance riche en carbone vers le dépôt de soudure à plus faible teneur en carbone.

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