ADDITIVE MANUFACTURE OF TURBINE COMPONENT WITH MULTIPLE MATERIALS

WIPO Patent Application WO/2014/107204

A3

A method for additive manufacturing with multiple materials. First (48), second (50), and third (52) adjacent powder layers are delivered onto a working surface (54A) in respective first (73), second (74), and third (75) area shapes of adjacent final materials (30, 44, 45) in a given section plane of a component (20). The first powder may be a structural metal delivered in the sectional shape of an airfoil substrate (30). The second powder may be a bond coat material delivered in a sectional shape of a bond coat (45) on the substrate. The third powder may be a thermal barrier ceramic delivered in a section shape of the thermal barrier coating (44). A particular laser intensity (69A, 69B) is applied to each layer to melt or to sinter the layer. Integrated interfaces (57, 77, 80) may be formed between adjacent layers by gradient material overlap and/or interleaving projections.

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SUBRAMANIAN RAMESH (US)
OTT MICHAEL (DE)
THOMAIDIS DIMITRIOS (DE)
SADOVOY ALEXANDR (DE)
MÜNZER JAN (DE)

PCT/US2013/063641

November 13, 2014

October 07, 2013

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SIEMENS AG (DE)

B22F3/105; B22F5/00; B22F5/04; B22F7/02; B22F7/06; B29C67/00; F01D5/00

US6391251B1	2002-05-21
EP2502729A1	2012-09-26
US20050268998A1	2005-12-08
EP1743729A2	2007-01-17
US20110274579A1	2011-11-10
US20020004105A1	2002-01-10

SWANSON, Erik C. et al. (170 Wood Avenue SouthIselin, New Jersey, US)

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