Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88667
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dc.contributor.authorSubbarao, Guru Prasad Arudien
dc.contributor.authorHaridas, Aswinen
dc.contributor.authorPatinharekandy, Prabhathanen
dc.contributor.authorKapur, Pulkiten
dc.contributor.authorChan, Kelvinen
dc.contributor.authorMatham, Murukeshan Vadakkeen
dc.date.accessioned2018-09-10T09:03:12Zen
dc.date.accessioned2019-12-06T17:08:25Z-
dc.date.available2018-09-10T09:03:12Zen
dc.date.available2019-12-06T17:08:25Z-
dc.date.issued2018en
dc.identifier.citationSubbarao, G. P. A., Haridas, A., Patinharekandy, P., Kapur, P., Chan, K., & Matham, M. V. (2018). Flexible optical fiber probe for surface roughness evaluation of internal channels in additively manufactured components. Proceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018), 601-606. doi:10.25341/D4NK5Fen
dc.identifier.urihttps://hdl.handle.net/10356/88667-
dc.identifier.urihttp://hdl.handle.net/10220/45919en
dc.description.abstractRecent developments in Additive Manufacturing (AM) has revolutionized the production capabilities of multitudes of aerospace components. However, being a stochastic process, there is minimal control over the surface quality and thus require adequate quality checks before implementation. In this context, this paper investigates a flexible optical fiber probe and speckle correlation measurements to quantitatively estimate the average surface roughness, Ra, of areas within internal channels. Details on probe design and preliminary measurement results on a comparator plate with Ra values varying between 6.3 μm and 25 μm are presented. The measurements are compared and validated using the Keyence optical tester (VR-3000).en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.format.extent6 p.en
dc.language.isoenen
dc.rights© 2018 Nanyang Technological University. Published by Nanyang Technological University, Singapore.en
dc.subjectLaser Speckleen
dc.subjectAdditive Manufacturingen
dc.subjectDRNTU::Engineering::Mechanical engineering::Prototypingen
dc.titleFlexible optical fiber probe for surface roughness evaluation of internal channels in additively manufactured componentsen
dc.typeConference Paperen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.contributor.conferenceProceedings of the 3rd International Conference on Progress in Additive Manufacturing (Pro-AM 2018)en
dc.contributor.researchSingapore Centre for 3D Printingen
dc.identifier.doihttps://doi.org/10.25341/D4NK5Fen
dc.description.versionPublished versionen
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