公开(公告)号：US10752978B2

公开(公告)日：2020-08-25

申请号：US15696516

申请日：2017-09-06

Applicant: ROLLS-ROYCE plc

Inventor： Mark C. Hardy ,  Grant J. Gibson ,  Gavin J. Baxter ,  Yogiraj Pardhi

IPC: C22C19/05 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  B23K26/342 ,  B23K15/00 ,  C22C1/02

Abstract: The novel nickel-base superalloy useful in an additive manufacturing process or a powder-based manufacturing process includes the following composition in wt %: Cr 8.0-8.5; Co 9.0-9.5; Mo 0.4-0.6; W 9.3-9.7; Ta 2.9-3.6; Al 4.9-5.6; Ti 0.2-1.0; Hf 0-0.05; C 0.005-0.03; B 0.005-0.02; Zr 0.005-0.1; Nb 0.2-1; Mn 0-0.6; and S 0-0.002 (≤20 ppm); the balance nickel and incidental elements and unavoidable impurities.