Investigation of interfacial structures for hybrid manufacturing

Thomas Feldhausen; Rangasayee Kannan; Narendran Raghavan; Kyle Saleeby; Thomas Kurfess; Peeyush Nandwana

doi:10.1016/j.matlet.2021.131040

Investigation of interfacial structures for hybrid manufacturing

Thomas Feldhausen, Rangasayee Kannan, Narendran Raghavan, Kyle Saleeby, Thomas Kurfess, Peeyush Nandwana

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Hybrid manufacturing is a combination of additive and subtractive manufacturing in a single machine. Typically, planar substrate substrates are used for deposition and do not correspond to scenarios encountered in repair applications where the substrate can often be non-planar. Hybrid manufacturing opens the possibility for repairs by leveraging the five-axis mill to prepare the substrate for deposition. However, as the substrate geometry changes, so does the associated heat transfer during deposition and subsequent microstructures. This paper focuses on understanding the changes in microstructure and material properties with changing substrate geometries.

Original language	English
Article number	131040
Journal	Materials Letters
Volume	307
DOIs	https://doi.org/10.1016/j.matlet.2021.131040
State	Published - Jan 15 2022

Funding

The authors would like to acknowledge the cooperation and support of the Mazak Corporation, Carl Zeiss Industrial Metrology LLC, Open Mind, and Autodesk. The authors would also like to acknowledge Paul Brackman, Dennis Brown, Sarah Graham, Andrés Márquez Rossy, and Matt Sallas. This work was supported by the US Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office under contract number DE-AC05-00OR22725.

Keywords

Directed Energy Deposition (DED)
Grain structure
Hybrid manufacturing
Interface bonding
Stainless steel 316

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10.1016/j.matlet.2021.131040

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abstract = "Hybrid manufacturing is a combination of additive and subtractive manufacturing in a single machine. Typically, planar substrate substrates are used for deposition and do not correspond to scenarios encountered in repair applications where the substrate can often be non-planar. Hybrid manufacturing opens the possibility for repairs by leveraging the five-axis mill to prepare the substrate for deposition. However, as the substrate geometry changes, so does the associated heat transfer during deposition and subsequent microstructures. This paper focuses on understanding the changes in microstructure and material properties with changing substrate geometries.",

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AU - Raghavan, Narendran

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AU - Kurfess, Thomas

AU - Nandwana, Peeyush

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AB - Hybrid manufacturing is a combination of additive and subtractive manufacturing in a single machine. Typically, planar substrate substrates are used for deposition and do not correspond to scenarios encountered in repair applications where the substrate can often be non-planar. Hybrid manufacturing opens the possibility for repairs by leveraging the five-axis mill to prepare the substrate for deposition. However, as the substrate geometry changes, so does the associated heat transfer during deposition and subsequent microstructures. This paper focuses on understanding the changes in microstructure and material properties with changing substrate geometries.

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KW - Grain structure

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KW - Interface bonding

KW - Stainless steel 316

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Investigation of interfacial structures for hybrid manufacturing

Abstract

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Keywords

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