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Forming Process Simulation and Optimization of Nickel-Base Superalloy Turbine Disk
Abstract:
Turbine disc is the key component of aviation engine, its performance is important to ensure the reliability and safety of the whole aviation engine. In this paper, forging forming of GH4169 alloy turbine disks of certain type aero-engine are discsimulated by DEFORM-3D soft system,these forming methods include next three kinds: common hot die forging, isothermal forging and composite sheath hot die forging.The influences of various forging ways on turbine disk forging quality and the used die are analyzed in order to find the most suitable way of forging. The forging defects in the forging process are analyzed . For basically eliminating these defects, the forging process of superalloy turbine disk are optimized based on the most economical and simple principles and some useful methds are gained,which will provide a reference to actual superalloy turbine disk forging process.
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Pages:
1156-1161
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Online since:
August 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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