Rolls-royce Corporation

Mark Henry Shipton

Sophoclis Patsias

John T Gent

Joanne M Shipton, Legal Representative

Terence Walter Maber

Martin J Deakin

John Travis Gent

Robert Walter Broomfield

Patsias Sophoclis

Martin John Deakin

A compressor blade () comprises a vibration damping coating () on a first surface of at least one portion of an erosion resistant material (). The vibration damping coating () comprises a plurality of segments (). The portion of erosion resistant material () and the vibration damping coating () are adhesively bonded to the compressor blade () such that the vibration damping coating () is arranged between the surface () of the compressor blade () and the portion of erosion resistant material ().

Article having a vibration damping coating and a method of applying a vibration damping coating to an article

A phosphate bonded ceramic is used to provide a diffusion barrier on a titanium alloy substrate, conferring degradation (eg oxidation) resistance to the alloy. The substrate may, for example, be an aerospace component such as a part of a gas turbine engine.

Method of forming a diffusion barrier on a titanium alloy substrate

A method of forming a vibration damping coating on a metallic substrate, eg a titanium alloy aerospace component, comprises applying to the metallic substrate a coating comprising a spinel having regions of relative oxide or nitride imbalance.

Method of forming a vibration damping coating on a metallic substrate

A metal is used as a predominant component of an outermost metallic portion of a ceramic-containing and metal-containing vibration damping coating for a metallic article, for the purpose of enhancing resistance of the coating to foreign object damage and/or erosion while substantially maintaining or enhancing vibration damping performance of the coating. The outermost metallic portion is preferably substantially free of non-metallic intrusions and cavities.

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Bristol, United Kingdom

Mark Henry Shipton