公开(公告)号：US20230160316A1

公开(公告)日：2023-05-25

申请号：US17917489

申请日：2021-03-15

Applicant: Rolls-Royce Deutschland Ltd & Co KG ,  Rolls-Royce plc

Inventor： Susanne SCHRÜFER ,  Matthew HANCOCK ,  Kevin LONG

IPC: F01D11/12 ,  F01D5/28

CPC classification number: F01D11/122 ,  F01D5/288 ,  F05D2240/307 ,  F05D2300/611

Abstract: The invention relates to an abrasive material including a nickel aluminide intermetallic phase, in particular a beta nickel aluminide (β-NiAl) intermetallic phase with a Laves phase, as a matrix for abrasive particles. It also relates to a method manufacturing an abrasive material and a blade in a turbomachinery with an abrasive material.

公开(公告)号：US20170096902A1

公开(公告)日：2017-04-06

申请号：US15271004

申请日：2016-09-20

Applicant: ROLLS-ROYCE plc

Inventor： Donka NOVOVIC ,  Kevin LONG

IPC: F01D5/28 ,  C23C14/02 ,  C23C10/48 ,  C22F1/14 ,  C23F17/00 ,  F01D25/00 ,  C25D5/50 ,  C25D5/48 ,  C25D7/00 ,  F01D9/04 ,  F01D11/12 ,  C23C14/08 ,  C25D3/50

CPC classification number: F01D5/288 ,  C22F1/14 ,  C23C10/48 ,  C23C14/025 ,  C23C14/028 ,  C23C14/083 ,  C23C14/30 ,  C23F17/00 ,  C25D3/50 ,  C25D5/48 ,  C25D5/50 ,  C25D7/00 ,  F01D5/286 ,  F01D9/041 ,  F01D11/122 ,  F01D25/005 ,  F05D2220/32 ,  F05D2230/90 ,  F05D2240/35 ,  F05D2250/182 ,  F05D2250/184 ,  F05D2300/611

Abstract: A method of applying a thermal barrier coating to a metallic article including ball nose milling the surface of the metallic article to produce a pattern in the surface of the metallic article and to produce a compressive residual stress in the subsurface layers of the metallic article. The pattern includes a plurality of pockets and projections on the surface of the metallic article. A thin adherent layer of oxide is created on the metallic article. A ceramic coating is applied to the oxide layer on the surface of the metallic article such that the ceramic coating deposits on the surface of the metallic article in the pockets and on and around the projections. The ceramic coating is applied as a plurality of columnar ceramic grains extending substantially perpendicularly away from the metallic article and the columnar ceramic grains extending from the oxide layer on the metallic article.