公开(公告)号：US20170173671A1

公开(公告)日：2017-06-22

申请号：US14976333

申请日：2015-12-21

Applicant: United Technologies Corporation

Inventor： James Tilsley Auxier ,  Thomas N. Slavens

IPC: B22C9/10 ,  B22F3/105 ,  B33Y80/00 ,  B22F7/02 ,  B33Y10/00 ,  B22C9/24 ,  B22F5/00

CPC classification number: B22C9/103 ,  B22C9/24 ,  B22D23/06 ,  B22D27/045 ,  B22F3/1055 ,  B22F5/007 ,  B22F7/02 ,  B22F7/08 ,  B28B1/001 ,  B28B7/346 ,  B33Y10/00 ,  B33Y80/00 ,  C30B1/02 ,  Y02P10/292 ,  Y02P10/295

Abstract: A core for use in casting an internal cooling circuit within a gas turbine engine component includes an additively manufactured skeleton core portion manufactured of a refractory metal, a surround core portion that at least partially encapsulates the additively manufactured skeleton core portion, the surround core portion manufactured of a ceramic material, a surround core portion that at least partially encapsulates the additively manufactured skeleton core portion, the surround core portion manufactured of a ceramic material and a cooling hole shape that extends from the additively manufactured skeleton core portion through the surround core portion, the cooling hole shape operable to form a cooling hole.