公开(公告)号：US20190314929A1

公开(公告)日：2019-10-17

申请号：US16354354

申请日：2019-03-15

Applicant: ROLLS-ROYCE plc

Inventor： David M J POOLE ,  Dane BULLER ,  Thomas S J HARE

IPC: B23K26/34 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F3/15 ,  G05B19/4155 ,  B23K26/354

Abstract: A method of manufacture comprising: controlling additive manufacturing using a plurality of parameters to melt a metal to provide an object, at least one parameter of the plurality of parameters having a value selected to cause porosity in at least a first portion of the object; and controlling hot pressing of the object.