United Technologies Corporation

Raymond P Ristau

Steven J Bullied

John Joseph Marcin

Mario P Bochiechio

Carl R Verner

Mark F Bartholomew

John F Blondin

Kevin W Chittenden

Gary M Tamiso

Robert C Renaud

Dennis M Kraemer

Robert E LeBrun

Paul R Zamjohn

Charles A Roohr

Kerry Kozaczuk

Roy A Garrison

Alan David Cetel

Sudhangshu Bose

Peter E Leibfried

Dennis Wentworth

Steven F Keeney

A method of manufacturing a component in a die casting cell that includes a die casting system according to an exemplary aspect of the present disclosure includes, among other things, isolating a first chamber from a second chamber of the die casting system, melting a charge of material in the first chamber, sealing the second chamber relative to the first chamber, and simultaneously injecting the charge of material within the second chamber to cast the component and melting a second charge of material within the first chamber.

Die casting system and cell

A die casting system includes a die, a shot tube, a melting system and a vacuum system. The die includes a plurality of die components that define a die cavity. The shot tube is in fluid communication with the die cavity and is operable to deliver a charge of material to the die cavity. The melting system is positioned adjacent to the die and includes an alloy loader, a melting unit and a crucible. The vacuum system defines a first chamber and a second chamber separated from the first chamber by an isolation valve. The melting system is disposed within the first chamber, and the die is disposed within the second chamber.

A method of surface cleaning and controlled oxidation of superalloys is described. The method provides a thin homogeneous layer of relatively pure alpha alumina which is suited to receive and adhere to a subsequent vapor deposited coating.

Surface preparation process for deposition of ceramic coating

A process is described for producing hollow articles from high strength, high temperature metals such as titanium alloys. A finite element analysis is used to determine a preform configuration in which the external surface of the finished article is translated into a flat plane. All machining is performed on flat stock on only one side, and includes mating cavities which define the hollow portion of the article. The preforms are die forged and diffusion bonded and then superplastically inflated to fit the contour of a cavity in a die, which provides the external contour of the article.

Hollow metal article fabrication

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South Windsor, CT, United States of America

Raymond P Ristau