Simulation of isothermal forging of compressor disc by combined numerical and physical modelling techniques

The process design, preform and die-designs for a sub-scale compressor disc for an aero engine have been investigated with the help of a finite element method numerical model and two physcial models. The physical models employed in these investigations are a layered coloured-plasticine model and an...

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Bibliographic Details
Published in:Journal of materials processing technology 1997-12, Vol.72 (3), p.392-395
Main Authors: Dutta, Abhijit, Rao, A.Venugopal
Format: Article
Language:English
Subjects:
Applied sciences
Compressor disc
Exact sciences and technology
Forging and extrusion
Forming
Isothermal forging
Metals. Metallurgy
Numerical model
Physical model
Production techniques
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Summary:The process design, preform and die-designs for a sub-scale compressor disc for an aero engine have been investigated with the help of a finite element method numerical model and two physcial models. The physical models employed in these investigations are a layered coloured-plasticine model and an aluminium-alloy model. The law of similarity was followed for the physical models. Optimization of the size and shape of the preforms, the die-filling, the prediction of the load and the microstructure was carried out for each of the three models.
ISSN:0924-0136
DOI:10.1016/S0924-0136(97)00200-8