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Title:
PROCESS AND APPARATUS FOR APPLYING LAYERS OF MATERIAL TO A WORKPIECE MADE OF TIAL
Document Type and Number:
WIPO Patent Application WO/2012/069029
Kind Code:
A3
Abstract:
According to the invention, a process for applying layers (22) of material to a workpiece (10) made of a material which comprises or consists of a titanium aluminide comprises the following steps: the workpiece is prepared; the workpiece is heated to a predefined preheating temperature in a locally delimited region (24) by means of induction (20); and a, preferably pulverulent, additive is applied to the heated surface of the workpiece by means of build-up welding, in particular laser build-up welding, plasma build-up welding, micro-plasma build-up welding, TIG build-up welding or micro-TIG build-up welding, wherein the additive comprises a titanium aluminide.

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Inventors:
RICHTER KARL-HERMANN (DE)
HANRIEDER HERBERT (DE)
DUDZIAK SONJA (DE)
GRUENINGER ALBERT (DE)
Application Number:
PCT/DE2011/001299
Publication Date:
July 26, 2012
Filing Date:
June 16, 2011
Export Citation:
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Assignee:
MTU AERO ENGINES GMBH (DE)
RICHTER KARL-HERMANN (DE)
HANRIEDER HERBERT (DE)
DUDZIAK SONJA (DE)
GRUENINGER ALBERT (DE)
International Classes:
B23K9/04; B23K26/34; F01D5/22
Foreign References:
US5554837A1996-09-10
EP0287371A11988-10-19
US20080014457A12008-01-17
US20040191064A12004-09-30
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