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Laser Polishing of Additive Manufactured AlSi10Mg Parts with an Oscillating Laser Beam

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Machining, Joining and Modifications of Advanced Materials

Part of the book series: Advanced Structured Materials ((STRUCTMAT,volume 61))

Abstract

Powder-bed based additive manufacturing techniques, such as selective laser melting (SLM), are gaining in importance due to the opportunity to produce highly complex shapes. This offer new construction possibilities in the design. However, the surface of the produced SLM parts exhibit a high roughness which can affect the integrity and geometric tolerance. To reduce the surface roughness and to improve the mechanical properties of the outmost layer, laser polishing by re-melting the surface can be used. The present paper focus on the laser polishing of additive manufactured parts. This investigation contains measurement results of the initial and laser polished surfaces out of AlSi10Mg. The surfaces have been analyzed by roughness spectroscopy and white light interferometry. By utilizing a disk laser with a maximum power of 4 kW in combination with a 1-D scanner system, the initial surface roughness was reduced up to 92 %.

The original version of this chapter was revised: Affiliations of two authors were modified in the chapter. The erratum to this chapter is available at 10.1007/978-981-10-1082-8_19

An erratum to this chapter can be found at http://dx.doi.org/10.1007/978-981-10-1082-8_19

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Acknowledgments

The authors would like to thank Michael Sedlmajer, René Klink, Simon Ruck and the team of Joachim Albrecht, who supported this work.

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Authors and Affiliations

  1. Aalen University of Applied Sciences, Beethovenstraße 1, 73430, Aalen, Germany

    Jochen Schanz, Markus Hofele, Markus Merkel & Harald Riegel

  2. School of Engineering, Griffith University, Gold Coast Campus, Southport, 4222, Australia

    Leonhard Hitzler

Authors
  1. Jochen Schanz
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  2. Markus Hofele
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  3. Leonhard Hitzler
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  4. Markus Merkel
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  5. Harald Riegel
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Correspondence to Jochen Schanz .

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Editors and Affiliations

  1. Griffith School of Engineering, Griffith University, Southport, Queensland, Australia

    Andreas Öchsner

  2. Institut für Mechanik, Otto-von-Guericke-Universität, Magdeburg, Germany

    Holm Altenbach

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Schanz, J., Hofele, M., Hitzler, L., Merkel, M., Riegel, H. (2016). Laser Polishing of Additive Manufactured AlSi10Mg Parts with an Oscillating Laser Beam. In: Öchsner, A., Altenbach, H. (eds) Machining, Joining and Modifications of Advanced Materials . Advanced Structured Materials, vol 61. Springer, Singapore. https://doi.org/10.1007/978-981-10-1082-8_16

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  • DOI: https://doi.org/10.1007/978-981-10-1082-8_16

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  • Print ISBN: 978-981-10-1081-1

  • Online ISBN: 978-981-10-1082-8

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