B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 31/02 (2006.01) B23K 20/12 (2006.01) B23K 37/08 (2006.01) B24B 39/00 (2006.01) C21D 7/08 (2006.01)
Patent
CA 2465201
The welding apparatus (100) and associated method are provided. The welding apparatus includes a welding tool (102) for forming a weld joint (28) along the surface of at least one workpiece (12). The welding apparatus also includes a compression tool (106) for selectively inducing a layer of residual compressive stress in at least a portion of the surface of the weld joint and the surface of the at least one workpiece to thereby improve the material properties of the workpiece, including corrosion resistance and fatigue strength.
La présente invention concerne un appareil de soudage (100) et un procédé associé. L'appareil de soudure comprend un outil de soudage (102) permettant de former un joint soudé (28) le long de la surface d'au moins une pièce à usiner (12). L'appareil de soudage comprend également un outil de compression (106) permettant d'induire sélectivement une couche de contrainte de compression résiduelle dans au moins une partie de la surface du joint soudé et de la surface d'au moins une pièce à usiner pour ainsi améliorer les propriétés matérielles de la pièce à usiner, notamment la résistance à la corrosion et la résistance à la fatigue.
James Michael Royston
Mahoney Murray W.
Prevey Paul S. III
Waldron Douglas J.
Lambda Research Inc.
Sim & Mcburney
The Boeing Company
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