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Additive layer Manufacture of Nickel-based Superalloys

Researcher: Lakshmi Lavanya Parimi

Collaborators: Dr. M. M. Attallah, Dr. J-C. Gebelin, Professor R. C. Reed.

Additive Layer Manufacturing, in this case Direct Laser Fabrication (DLF) is a near net shape manufacturing process which allows the manufacturer to produce complex shapes with minimum waste of material. DLF is primarily used for adding features to a component or repair the existing component. The present project deals with the addition of complex features on large aerospace structures. The aim of the project is to understand the influence of process parameters on the microstructural development of the build, minimize the distortion in the substrate due laser deposition  and to study the stresses developed during addition of features on the base material. The modelling performed has used finite element method, Abaqus, to calculate the stresses developed in the base material.

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