Topography of selectively laser melted surfaces: A comparison of different measurement methods

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Thompson, Adam, Senin, Nicola, Giusca, Claudiu L. and Leach, Richard K. (2017) Topography of selectively laser melted surfaces: A comparison of different measurement methods. CIRP Annals - Manufacturing Technology, 66 (1). pp. 543-546. ISSN 0007-8506

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Official URL: http://www.sciencedirect.com/science/article/pii/S0007850617300756?via%3Dihub

Abstract

Selective laser melting (SLM) of metals produces surface topographies that are challenging to measure. Multiple areal surface topography measurement technologies are available, which allow reconstruction of information rich, three-dimensional digital surface models. However, the capability of such technologies to capture intricate topographic details of SLM parts has not yet been investigated. This work explores the topography of a SLM Ti6Al4V part, as reconstructed from measurements by various optical and non-optical technologies. Discrepancies in the reconstruction of local topographic features are investigated through alignment and quantitative assessment of local differences. ISO 25178-2 areal texture parameters are computed as further comparison indicators.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/858345
Keywords:	Metrology; Surface analysis; Selective laser melting (SLM)
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering
Identification Number:	https://doi.org/10.1016/j.cirp.2017.04.075
Depositing User:	Eprints, Support
Date Deposited:	05 May 2017 10:54
Last Modified:	04 May 2020 18:43
URI:	https://eprints.nottingham.ac.uk/id/eprint/42556

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