Method for connecting metallic structural components and...

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 13/01 (2006.01) B23K 15/00 (2006.01) F01D 5/30 (2006.01)

Patent

CA 2645575

The present invention relates to a method for connecting metallic structural elements, in particular structural elements of a gas turbine, wherein the connecting of corresponding connecting surfaces of the structural elements is performed by means of inductive high-frequency pressure welding while heating at least one connecting surface. According to the invention, at least two different frequencies, induced by at least one inductor, are used for heating the at least one connecting surface. The invention also relates to a component, in particular a component of a gas turbine, comprising a first structural element and a second structural element, wherein the first and second structural elements are welded by means of inductive high-frequency pressure welding. According to the invention, during the inductive high-frequency pressure welding operation at least two different frequencies, induced by at least one inductor, are used for heating at least one connecting surface of the structural elements.

La présente invention concerne un procédé pour relier des éléments de construction métalliques, notamment des éléments de construction d'une turbine à gaz, la liaison des surfaces de liaison correspondantes des éléments de construction s'effectuant par soudage inductif par pression à haute fréquence en chauffant au moins une surface de liaison. Conformément à l'invention, au moins deux fréquences différentes induites par au moins un inducteur sont utilisées pour chauffer ladite ou lesdites surfaces de liaison. L'invention concerne en outre un composant, notamment un composant d'une turbine à gaz, composé d'un premier élément de construction et d'un deuxième élément de construction, le premier et le deuxième éléments de construction étant soudés par soudage inductif par pression à haute fréquence. Conformément à l'invention, pendant l'opération de soudage inductif par pression à haute fréquence, au moins deux fréquences différentes induites par au moins un inducteur sont utilisées pour chauffer ladite ou lesdites surfaces de liaison de l'élément de construction.

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