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Modelling High Integrity Steel Forgings for Ultra Super-Critical Steam Turbine Applications in the Power Generation Industry

Researcher(s): Chris Watson

Collaborator(s): Martin Strangwood, Claire Davis

Secure, clean and affordable energy supply based on fossil fuels is dependent on achieving the demanding mechanical property and integrity requirements of forgings for rotating components in turbomachinery.  The goals of high efficiency mean that these forgings are subject to ever-increasing requirements for high temperature performance. An essential part of the response to this challenge is to develop techniques for modelling the manufacturing processes associated with these forgings and how this relates to forging integrity, microstructure, inspectability and mechanical properties.  

Recent advancements in press capability allow open-die forging operations to take place at lower temperatures thereby significantly reducing production costs.  The fundamentals of metal deformation behaviour will be studied and validated models used to optimise key process variables.

 

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