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Tuesday, October 19, 2004 - 11:00 AM
ALL 1.6

Current and Future Trends in the Manufacture of Turbine Engine Disks

D. U. Furrer, Roll-Royce Corporation, Indianapolis, IN; G. Groppi, G. Bunge, Ladish Co., Inc., Cudahy, WI

Turbine engine disks for current and future land-base and aircraft applications are being required to perform at ever increasing levels. The economical and technical performance requirements are being driven by design and market pressure. Increased mechanical property requirements and manufacturing cost reductions are a necessity. The aerospace manufacturing industry is developing new tools to allow engineering solutions and continued process optimization to mange these technical and business pressures. Manufacturing processes are being developed to meet the demand for greater component performance. Computer simulation tools, that have become a staple in process design, are being enhanced to allow for greater predictive capabilities. New analytical tools combined with new manufacturing processes are providing a means for continual improvement in turbine engine disk capabilities and economics. The changes in these areas can be seen in a comparison of the current state-of-the-art disk manufacturing and focused efforts aimed at future production applications.

Summary: The state of the art in material and process technology for disk manufacturing will be compared to recent developments and trends.