Association Pour La Recherche Developpement Des Methodes Et Processus Industriels-a.r.m.in.e.s.

Compagnie General Des Etablissisiements Michelin Clermont-ferrand, France

Ecole Nationale D'ingenieurs De Saint Etienne Saint Etienne, France

Dma Laser

Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Societe Detechnologie Michelin

Ecole Nationale D'ingenieurs De Saint-etienne

Bernard Cappa

Arnaud Letocart

Christophe Colin

Gérard Crosnier

Nicolas Chevaux

Gilles Mioche

Maryane Jacquier

Cédric Carlavan

Julien Sijobert

Ludovic Thivillon

Christophe Chouzenoux

A subject of the invention is a process for surfacing or resurfacing a metal part by laser-assisted deposition of a filler material in order to produce an abradable coating of the part, the process being characterized in that the filler material is an iron-based powder comprising vanadium, chromium, nickel, boron, silicon and carbon, in that the laser has an operational wavelength ranging from 900 nm to 1100 nm and in that it comprises the irradiation of the part by a laser beam such that the specific energy (SE) varies from 5 J/mg to 10 J/mg and such that the linear density (LD) varies from 25 mg/mm to 55 mg/mm. Another subject of the invention is the surfaced or resurfaced metal part. Another subject of the invention is a pre-alloy in iron-based powder form, comprising vanadium, chromium, nickel, boron, silicon and carbon.

Surfacing process, surfaced or resurfaced metal part

Growing community of inventors

Clermont-Ferrand, France

Bernard Cappa