Surface-specific additive manufacturing test artefacts

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Many test artefact designs have been proposed for use with additive manufacturing (AM) systems. These test artefacts have primarily been designed for the evaluation of AM form and dimensional performance. A series of surface-specific measurement test artefacts designed for use in the verification of AM manufacturing processes are proposed here. Surface-specific test artefacts can be made more compact because they do not require the large dimensions needed for accurate dimensional and form measurements. The series of three test artefacts are designed to provide comprehensive information pertaining to the manufactured surface. Measurement possibilities include deviation analysis, surface texture parameter data generation, sub-surface analysis, layer step analysis and build resolution comparison. The test artefacts are designed to provide easy access for measurement using conventional surface measurement techniques, for example, focus variation microscopy, stylus profilometry, confocal microscopy and scanning electron microscopy. Additionally, the test artefacts may be simply visually inspected as a comparative tool, giving a fast indication of process variation between builds. The three test artefacts are small enough to be included in every build and include built-in manufacturing traceability information, making them a convenient physical record of the build.

LanguageEnglish
Article number024007
Pages1-10
Number of pages10
JournalSurface Topography: Metrology and Properties
Volume6
Issue number2
Early online date9 Apr 2018
DOIs
Publication statusPublished - 16 May 2018
Event16th International Conference on Metrology and Properties of Engineering Surfaces - Gothenburg, Sweden
Duration: 26 Jun 201729 Jun 2017
Conference number: 16
http://www.metprops2017.se/ (Link to Conference Website )

Fingerprint

3D printers
artifacts
manufacturing
Surface analysis
Profilometry
Confocal microscopy
Surface measurement
Microscopic examination
Textures
microscopy
dimensional measurement
Scanning electron microscopy
indication
textures
deviation

Cite this

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abstract = "Many test artefact designs have been proposed for use with additive manufacturing (AM) systems. These test artefacts have primarily been designed for the evaluation of AM form and dimensional performance. A series of surface-specific measurement test artefacts designed for use in the verification of AM manufacturing processes are proposed here. Surface-specific test artefacts can be made more compact because they do not require the large dimensions needed for accurate dimensional and form measurements. The series of three test artefacts are designed to provide comprehensive information pertaining to the manufactured surface. Measurement possibilities include deviation analysis, surface texture parameter data generation, sub-surface analysis, layer step analysis and build resolution comparison. The test artefacts are designed to provide easy access for measurement using conventional surface measurement techniques, for example, focus variation microscopy, stylus profilometry, confocal microscopy and scanning electron microscopy. Additionally, the test artefacts may be simply visually inspected as a comparative tool, giving a fast indication of process variation between builds. The three test artefacts are small enough to be included in every build and include built-in manufacturing traceability information, making them a convenient physical record of the build.",
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Surface-specific additive manufacturing test artefacts. / Townsend, Andrew; Racasan, Radu; Blunt, Liam.

In: Surface Topography: Metrology and Properties, Vol. 6, No. 2, 024007, 16.05.2018, p. 1-10.

Research output: Contribution to journalArticle

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