Centre National De La Recherche Scientifique

Safran Aircraft Engines

Snecma

Université De Nantes

Universite Paris Sud (ups)

Université Paris—sud

Jean-François Castagne

Jean-Baptiste Mottin

Guillaume Fribourg

Thomas Vilaro

Thierry Baudin

Sébastien Yohann Pouzet

Pascal Paillard

Jean-Claude Bihr

Clément Gillot

Hervé Antoine Frédéric Seince

Alexandre Yann Michel Benoit

Damien Hebuterne

A method of manufacturing a superalloy part including a first portion including a majority by weight of a first superalloy and a second portion including a majority by weight of a second superalloy, the second portion extending from the first portion, the method including depositing the second portion on the first portion by a direct metal deposition method, deposition of the second portion including depositing a first layer, then depositing a second layer on the first layer, the first layer including the first and second superalloys, the first layer presenting a content by weight of the first superalloy that is strictly greater than that content by weight of the second layer and strictly less than that content by weight of the first portion, the second layer presenting a content by weight of the second superalloy that is strictly greater than that content by weight of the first layer.

Method of manufacturing a part comprising two different superalloys

A method for hard surface deposition on aluminum metal parts of a turbine engine using MIG welding equipment which includes a pulsed current generator and pulsed filler metal wire feed, wherein the deposition is achieved using a filler metal wire whose composition is of the same nature as the composition of the aluminum alloy of the part to undergo hard surface deposition, with the pulsed metal wire feed and speed of deposition on the metal part of the turbine engine being adapted to carry out deposition without hot fissuring.

Method for welding and for hard surface deposition of metal parts made of aluminium by a MIG method with pulsed current and filler wire

Growing community of inventors

Bourg la Reine, France

Jean-François Castagne