Siemens Aktiengesellschaft

Rolls-Royce Corporation

Praxair S.t. Technologies Inc.

Hugh Evans

Bruce G McMordie

Paul Mathew Walker

John Nicholls

Mick Whitehurst

Thomas Kircher

Clive B Ponton

Paul Padley

Paul Box

Thomas Lewis

Nigel Simms

Jonathan Venezia

Adrian Weatherill

Simon Gray

Michael H Jacobs

Bruce Mcmordie

A layer system and a method for producing a component having such a layer system are provided. The layer system includes a substrate a substrate, at least one MCrX layer on the substrate, and a chromium-rich layer on or in the at least one MCrX layer. X includes at least one element selected from the group consisting of yttrium (Y), silicon (Si), aluminum (Al) and boron (B). M includes at least one element selected from the group consisting of nickel (Ni) and cobalt (Co).

Layered coating system with a MCrAlX layer and a chromium rich layer and a method to produce it

A titanium aluminide turbine blade ( ) includes an aerofoil ( ), a platform ( ) and a root ( ). A protective coating ( ) is applied to the aerofoil ( ) and the platform ( ) of the turbine blade ( ). The protective coating ( ) comprises austenitic stainless steel. A chromium oxide layer ( ) is formed on the protective coating ( ). The protective coating ( ) and chromium oxide layer ( ) provides oxidation and sulphidation resistance for the titanium aluminide article ( ).

Titanium article having a protective coating and a method of applying a protective coating to a Titanium article

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Ashleworth, United Kingdom

Hugh Evans