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Challenges in Qualifying Additive Manufacturing for Turbine Components: A Review

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Abstract

Gas turbine engine advancements have been enabled by innovation in materials and manufacturing technologies. The evolution of additive manufacturing (AM) has changed the face of direct digital technologies for the rapid production of models, prototypes, and functional parts including repair and maintenance for turbine engines. Metal 3D printing is poised to be an enabler for the next industrial revolution in enabling advancements in turbine engine performance. While there has been tremendous efforts on research and development in utilizing this versatile technology, the number of qualified metallic parts that are running in the engine has not been commensurate with the applied research and development efforts and the benefits that the AM technology offers. This review addresses some of the key technical issues that are currently limiting the prolific usage of AM as a successful vehicle for accelerated progress in gas turbine engines.

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Acknowledgements

The author would like to thank Dayananda Narayana, Pratt & Whitney R&D Center, Bangalore, for several discussions and help with the references and Jesse Boyer, Pratt & Whitney, East Hartford, for reviewing the article and providing valuable inputs.

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    Dheepa Srinivasan

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Srinivasan, D. Challenges in Qualifying Additive Manufacturing for Turbine Components: A Review. Trans Indian Inst Met 74, 1107–1128 (2021). https://doi.org/10.1007/s12666-021-02199-5

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