Metal surface treatment method

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 24/04 (2006.01) C23C 26/00 (2006.01)

Patent

CA 2676647

[PROBLEMS] To reliably bond various metals onto a surface of various parent metals in an alloyed state in a simple, easy and efficient manner. [MEANS FOR SOLVING PROBLEMS] A metal surface treatment method comprising a shot peening step of shot peening dissimilar metal particles (2), which are different from a parent metal (1), on the surface of the parent metal (1) to provide a dissimilar metal film (3) on the surface of the parent metal (1), and an electron beam irradiation step of applying electron beams (4) to the surface of the parent metal (1) with the dissimilar metal film (3) provided thereon by the shot peening step to bond the dissimilar metal film (3) and the parent metal (1).

La présente invention vise à fournir un procédé permettant le soudage de divers métaux sur une surface de divers métaux parents dans un état d'alliage de manière simple, facile et efficace. À cet effet, l'invention concerne un procédé de traitement de surface métallique comprenant une étape de grenaillage assurant le grenaillage de particules métalliques hétérogènes (2), qui sont différents du métal parent (1), sur la surface (1) pour obtenir un film métallique hétérogène (3) à la surface du métal parent (1), et une étape d'irradiation d'un faisceau électronique consistant à appliquer des faisceaux électroniques (4) à la surface du métal parent (1) revêtue du film métallique hétérogène par l'étape de grenaillage pour souder le film de métaux hétérogènes (3) et le métal parent (1).

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