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Additive Manufacturing of Nickel-Based Super Alloys for Aero Engine Applications : SLM of Inconel

Additive Manufacturing of Nickel-Based Super Alloys for Aero Engine Applications : SLM of Inconel

Raja A., Mythreyi O. V., Jayaganthan R.
Copyright: © 2020 |Pages: 23
ISBN13: 9781799840541|ISBN10: 1799840549|ISBN13 Softcover: 9781799852438|EISBN13: 9781799840558
DOI: 10.4018/978-1-7998-4054-1.ch003
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MLA

A., Raja, et al. "Additive Manufacturing of Nickel-Based Super Alloys for Aero Engine Applications : SLM of Inconel." Additive Manufacturing Applications for Metals and Composites, edited by K.R. Balasubramanian and V. Senthilkumar, IGI Global, 2020, pp. 48-70. https://doi.org/10.4018/978-1-7998-4054-1.ch003

APA

A., R., O. V., M., & R., J. (2020). Additive Manufacturing of Nickel-Based Super Alloys for Aero Engine Applications : SLM of Inconel. In K. Balasubramanian & V. Senthilkumar (Eds.), Additive Manufacturing Applications for Metals and Composites (pp. 48-70). IGI Global. https://doi.org/10.4018/978-1-7998-4054-1.ch003

Chicago

A., Raja, Mythreyi O. V., and Jayaganthan R. "Additive Manufacturing of Nickel-Based Super Alloys for Aero Engine Applications : SLM of Inconel." In Additive Manufacturing Applications for Metals and Composites, edited by K.R. Balasubramanian and V. Senthilkumar, 48-70. Hershey, PA: IGI Global, 2020. https://doi.org/10.4018/978-1-7998-4054-1.ch003

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Abstract

Ni based super alloys are widely used in engine turbines because of their proven performance at high temperatures. Manufacturing these parts by additive manufacturing (AM) methods provides researchers a lot of creative space for complex design to improve efficiency. Powder bed fusion (PBF) and direct energy deposition (DED) are the two most widely-used metal AM methods. Both methods are influenced by the source, parameters, design, and raw material. Selective laser melting is one of the laser-based PBF techniques to create small layer thickness and complex geometry with greater accuracy and properties. The layer-by-layer metal addition generates epitaxial growth and solidification in the built direction. There are different second phases in the Ni-based superalloys. This chapter details the micro-segregation of these particles and its influence on the microstructure, and mechanical properties are dependent on the process influencing parameters, the thermal kinetics during the process, and the post-processing treatments.

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