Interlaced layer thicknesses within single laser powder bed fusion geometries

Adam Clare; Alex Gullane; Christopher Hyde; James W. Murray; Simon Sankare; Wessel W. Wits

doi:10.1016/j.cirp.2021.03.001

Interlaced layer thicknesses within single laser powder bed fusion geometries

Adam Clare^*, Alex Gullane, Christopher Hyde, James W. Murray, Simon Sankare, Wessel W. Wits

^*Corresponding author for this work

Multiscale Modeling and Simulation

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

5 Citations (Scopus)

107 Downloads (Pure)

Abstract

The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in process to achieve functional grading is currently a growing topic. In this work, a method is demonstrated for varying layer thickness within single components that allows part sections to be interlaced for the purpose of locally manipulating material and structural properties. Demonstrator geometries are explored here which exhibit the interfaces within specimens constituted of both 30 µm and 150 µm. Accordingly, a new design freedom for laser powder bed fusion is created.

Original language	English
Pages (from-to)	203-206
Number of pages	4
Journal	CIRP Annals
Volume	70
Issue number	1
DOIs	https://doi.org/10.1016/j.cirp.2021.03.001
Publication status	Published - 27 Mar 2021

Keywords

2022 OA procedure
Selective laser melting (SLM)
Tensile strength
Additive manufacturing

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.cirp.2021.03.001

Clare-2021-InterlacedFinal published version, 1.19 MBLicence: Taverne

Cite this

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keywords = "2022 OA procedure, Selective laser melting (SLM), Tensile strength, Additive manufacturing",

author = "Adam Clare and Alex Gullane and Christopher Hyde and Murray, {James W.} and Simon Sankare and Wits, {Wessel W.}",

note = "Funding Information: The authors would like to acknowledge the support of the Royal Academy of Engineering ( RCSRF1920\9\27 ) and EPSRC ( EP/L01534X/1 ) for supporting Prof A.T Clare and Mr A. Gullane, respectively. Publisher Copyright: {\textcopyright} 2021 CIRP",

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AU - Clare, Adam

AU - Gullane, Alex

AU - Hyde, Christopher

AU - Murray, James W.

AU - Sankare, Simon

AU - Wits, Wessel W.

N1 - Funding Information: The authors would like to acknowledge the support of the Royal Academy of Engineering ( RCSRF1920\9\27 ) and EPSRC ( EP/L01534X/1 ) for supporting Prof A.T Clare and Mr A. Gullane, respectively. Publisher Copyright: © 2021 CIRP

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N2 - The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in process to achieve functional grading is currently a growing topic. In this work, a method is demonstrated for varying layer thickness within single components that allows part sections to be interlaced for the purpose of locally manipulating material and structural properties. Demonstrator geometries are explored here which exhibit the interfaces within specimens constituted of both 30 µm and 150 µm. Accordingly, a new design freedom for laser powder bed fusion is created.

AB - The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in process to achieve functional grading is currently a growing topic. In this work, a method is demonstrated for varying layer thickness within single components that allows part sections to be interlaced for the purpose of locally manipulating material and structural properties. Demonstrator geometries are explored here which exhibit the interfaces within specimens constituted of both 30 µm and 150 µm. Accordingly, a new design freedom for laser powder bed fusion is created.

KW - 2022 OA procedure

KW - Selective laser melting (SLM)

KW - Tensile strength

KW - Additive manufacturing

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Interlaced layer thicknesses within single laser powder bed fusion geometries

Abstract

Keywords

UN SDGs

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