公开(公告)号：US09737930B2

公开(公告)日：2017-08-22

申请号：US14960744

申请日：2015-12-07

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Ryan C Breneman ,  Steven J Bullied ,  David R Scott

IPC: B22C9/22 ,  B22C1/00 ,  B22D25/00 ,  B22C7/02 ,  B22C9/04 ,  B22D27/09 ,  B22D29/00

CPC classification number: B22C9/22 ,  B22C1/00 ,  B22C7/02 ,  B22C7/023 ,  B22C9/04 ,  B22C9/043 ,  B22D25/005 ,  B22D27/09 ,  B22D29/002 ,  B22D29/006

Abstract: A method to manufacture reticulated metal foam via a dual investment, includes pre-investment of a precursor with a diluted pre-investment ceramic plaster then applying an outer mold to the encapsulated precursor as a shell-mold.