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Non-linear Contact Analysis of Self-Supporting Lattice

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Mechanics of Composite and Multi-functional Materials, Volume 7

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Abstract

Using additive manufacturing (AM) techniques for end user parts is quite attractive for performance enhancement and product customization since designs are less constrained via this technique. The extent to which this could influence design is still to be determined. An interesting way to exploit AM capabilities for mechanical components is to embed lattice structures in such components. However, constraints inherent on some AM machines might limit the range of suitable lattices. For selective laser melting (SLM), supports are needed for features inclined at an angle lower than 45∘. This does imply that lattices without such features are better suited for SLM. Despite this constraint, a number of lattices can be made via the SLM technique. In this paper, we determine the structural properties of four of these self-supporting lattices via non-linear contact analysis. A minimal surface lattice show superior properties to those of the other three strut based lattices.

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Acknowledgements

This work is funded by the engineering and physical science research council (EPSRC).

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Authors and Affiliations

  1. Faculty of Engineering, EPSRC Centre for Innovative Manufacturing in Additive Manufacturing, University of Nottingham, Nottingham, NG7 2RD, UK

    A. Aremu, I. Ashcroft, R. Wildman & R. Hague

Authors
  1. A. Aremu
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  2. I. Ashcroft
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  3. R. Wildman
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  4. R. Hague
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Corresponding author

Correspondence to A. Aremu .

Editor information

Editors and Affiliations

  1. Southern Research , Birmingham, Alabama, USA

    W. Carter Ralph

  2. Oklahoma State University , Tulsa, Oklahoma, USA

    Raman Singh

  3. University of Dayton Research Institute , Dayton, Ohio, USA

    Gyaneshwar Tandon

  4. The Dow Chemical Company , Midland, Michigan, USA

    Piyush R. Thakre

  5. Purdue University , West Lafayette, Indiana, USA

    Pablo Zavattieri

  6. North Carolina State Universiity, Raleigh, North Carolina, USA

    Yong Zhu

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Aremu, A., Ashcroft, I., Wildman, R., Hague, R. (2017). Non-linear Contact Analysis of Self-Supporting Lattice. In: Ralph, W., Singh, R., Tandon, G., Thakre, P., Zavattieri, P., Zhu, Y. (eds) Mechanics of Composite and Multi-functional Materials, Volume 7 . Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-41766-0_7

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  • DOI: https://doi.org/10.1007/978-3-319-41766-0_7

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-41765-3

  • Online ISBN: 978-3-319-41766-0

  • eBook Packages: EngineeringEngineering (R0)

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