Patent · US Active

Method for manufacturing an aluminium alloy part by additive manufacturing and aluminium alloy part obtained according to the method

US12246379B2 · kind B2 · utility

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14Claims

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Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Mathieu Opprecht · Grenoble, FR
Jean-Paul Garandet · Aix-les-Bains, FR
Fernando Lomello · Gif-sur-Yvette, FR
Guilhem Roux · Grenoble, FR
Mathieu SOULIER · Le Saix, FR

Key dates

Filing date	Apr 30, 2020
Grant date	Mar 11, 2025
Priority date	—
Expiry date	Mar 20, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for manufacturing an aluminium alloy part by additive manufacturing comprising a step during which a layer of a mixture of powders is melted locally and then solidified, wherein the mixture of powders comprises: —first particles—comprising at least 80 wt % of aluminium and up to 20 wt % of one or more additional elements, and —second particles—of yttria, the volume percentage of second particles in the mixture of powders preferably ranging from 0.5% to 5%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.