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Surface roughness of 3D printed materials : Comparing physical measurements and human perception. / Hartcher-O'Brien, Jess; Evers, Jeremy; Tempelman, Erik.

In: Materials Today Communications, Vol. 19, 2019, p. 300-305.

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@article{f0235b946d9e4ababefe8f3826280ee8,
title = "Surface roughness of 3D printed materials: Comparing physical measurements and human perception",
abstract = "This study concerns the perceived roughness of 3D printed material samples (print process: fused deposition modelling, or FDM), generated across changes in print speed, build angle, and layer height. Physical sample surface roughness parameters Ra and Rq were first obtained via optical scanning. Next, using a custom-designed apparatus, surface roughness perception was assessed via a psychophysical procedure that identified the just noticeable difference in roughness through the sense of touch alone. By comparing both data sets, this study concludes that for FDM-printed materials, objective surface roughness parameters (Ra, Rq) cannot adequately predict users’ haptic experience. This finding is of importance for all 3D printing applications where equally perceptible roughness is desired. As a whole, the study highlights the role of 3D printing as a new tool for the science of haptics and as a means for generating new material qualities by design.",
keywords = "Designed materials, Discrimination thresholds, FDM, Haptics, Surface roughness",
author = "Jess Hartcher-O'Brien and Jeremy Evers and Erik Tempelman",
year = "2019",
doi = "10.1016/j.mtcomm.2019.01.008",
language = "English",
volume = "19",
pages = "300--305",
journal = "Materials Today Communications",
issn = "2352-4928",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Surface roughness of 3D printed materials

T2 - Materials Today Communications

AU - Hartcher-O'Brien, Jess

AU - Evers, Jeremy

AU - Tempelman, Erik

PY - 2019

Y1 - 2019

N2 - This study concerns the perceived roughness of 3D printed material samples (print process: fused deposition modelling, or FDM), generated across changes in print speed, build angle, and layer height. Physical sample surface roughness parameters Ra and Rq were first obtained via optical scanning. Next, using a custom-designed apparatus, surface roughness perception was assessed via a psychophysical procedure that identified the just noticeable difference in roughness through the sense of touch alone. By comparing both data sets, this study concludes that for FDM-printed materials, objective surface roughness parameters (Ra, Rq) cannot adequately predict users’ haptic experience. This finding is of importance for all 3D printing applications where equally perceptible roughness is desired. As a whole, the study highlights the role of 3D printing as a new tool for the science of haptics and as a means for generating new material qualities by design.

AB - This study concerns the perceived roughness of 3D printed material samples (print process: fused deposition modelling, or FDM), generated across changes in print speed, build angle, and layer height. Physical sample surface roughness parameters Ra and Rq were first obtained via optical scanning. Next, using a custom-designed apparatus, surface roughness perception was assessed via a psychophysical procedure that identified the just noticeable difference in roughness through the sense of touch alone. By comparing both data sets, this study concludes that for FDM-printed materials, objective surface roughness parameters (Ra, Rq) cannot adequately predict users’ haptic experience. This finding is of importance for all 3D printing applications where equally perceptible roughness is desired. As a whole, the study highlights the role of 3D printing as a new tool for the science of haptics and as a means for generating new material qualities by design.

KW - Designed materials

KW - Discrimination thresholds

KW - FDM

KW - Haptics

KW - Surface roughness

UR - http://www.scopus.com/inward/record.url?scp=85062149619&partnerID=8YFLogxK

U2 - 10.1016/j.mtcomm.2019.01.008

DO - 10.1016/j.mtcomm.2019.01.008

M3 - Article

VL - 19

SP - 300

EP - 305

JO - Materials Today Communications

JF - Materials Today Communications

SN - 2352-4928

ER -

ID: 51908529