Numerical and experimental investigation of preform design for hot forging of an aerofoil blade

A numerical and experimental investigation of preform design for hot forging of an aerofoil blade is presented in this paper. The preform design for non-isothermal forging of a gas-turbine compressor blade is studied. Simulation of the forging operation is presented for comparison with experimental...

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Veröffentlicht in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2011-07, Vol.225 (7), p.1129-1139
Hauptverfasser: Alimirzaloo, V, Biglari, F R, Sadeghi, M H
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container_title Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture
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creator Alimirzaloo, V
Biglari, F R
Sadeghi, M H
description A numerical and experimental investigation of preform design for hot forging of an aerofoil blade is presented in this paper. The preform design for non-isothermal forging of a gas-turbine compressor blade is studied. Simulation of the forging operation is presented for comparison with experimental results. First, the forging process is simulated using a three-dimensional (3D) finite-element method (FEM). Then, the preform shape is investigated using numerical simulations and experimental tests. Results show that the preform shape has an important role in its positioning within the die cavity during the forging operation. For the blade forging process, a preform with a quadrilateral root section, which causes the preform to be securely constrained in the die cavity, is suggested.
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subjects 3-D technology
Applied sciences
Blades
Computer simulation
Continuous cycle engines: steam and gas turbines, jet engines
Engines and turbines
Exact sciences and technology
Finite element analysis
Finite element method
Forging
Forging and extrusion
Forming
Gas turbine engines
Gas turbines
Hot forging
Mathematical models
Mechanical engineering. Machine design
Metals. Metallurgy
Preforms
Production techniques
Pump and compressors (turbocompressors, fans, etc.)
Simulation
Three dimensional
title Numerical and experimental investigation of preform design for hot forging of an aerofoil blade
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