Generative production method and powder therefor

US9095900B2 · kind B2 · utility

Assignee

• MTU Aero Engines AG · DE

Inventors

• Manuel Hertter · Munich, DE
• Erwin Bayer · Dachau, DE
• Markus Waltemathe · Hannover, DE
• Klaus Broichhausen · Puchheim, DE
• Wilhelm Meir · Gablingen, DE
• Bertram Kopperger · Dachau, DE
• Josef Waermann · Viehbach, DE
• Andreas Jakimov · Munich, DE

Key dates

• Filing date: Sep 12, 2011
• Grant date: Aug 4, 2015
• Expiry date: Sep 12, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12181
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a generative production method for producing a component by selectively melting and/or sintering a powder several times consecutively by introducing an amount of heat by means of beam energy, such that the powder particles melt and/or sinter in layers, wherein the powder particles (1) are made of a first material (2) and the powder particles are surrounded by a second material (3) partially or over the entire surface thereof, wherein the second material has a lower melting point than the first material and/or lowers the melting point of the first material when mixed with the first material. The invention further relates to a corresponding powder and to a prototype produced from said powder.