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  4. Correlation between subjective perception and objective parameters for the characterisation of fibre print-through on surfaces of class A carbon fibre reinforced plastics via multidimensional scaling
 
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2018
  • Zeitschriftenaufsatz

Titel

Correlation between subjective perception and objective parameters for the characterisation of fibre print-through on surfaces of class A carbon fibre reinforced plastics via multidimensional scaling

Abstract
Fibre print-through on the surfaces of composites emerges as a consequence of the heterogeneous mix of matrix and reinforcing fibres and is one of the obvious surface imperfections that differentiates them from conventional materials. Visible surfaces in the body shell of vehicles demand high Class A requirements without any surface imperfections. Currently, fibre print-through on glossy painted surfaces is evaluated subjectively by human auditors. An overreliance on subjective human evaluation has arisen due to a lack of methods and parameters for characterising this phenomenon. To understand which characteristics are responsible for human perception and to determine suitable parameters for the evaluation of print-through effects, the subjective perception of 25 participants measured by multidimensional scaling is correlated to a fitted parameter regarding fibre print-through and conventional parameters such as long- or shortwave, or the arithmetic mean Ra. The comparison of various characteristics of fibre print-through to coated aluminium enables a limiting value to be set based on perception.
Author(s)
Kraemer, Matthias
GSaME / Audi AG
Dauser, Thomas
Audi AG
Middendorf, Peter
Universität Stuttgart IFB
Bauernhansl, Thomas
Fraunhofer-Institut fĂĽr Produktionstechnik und Automatisierung IPA
Zeitschrift
Composites. Part A, Applied science and manufacturing
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DOI
10.1016/j.compositesa.2018.09.025
Language
Englisch
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IPA
Tags
  • Oberflächeneigenschaf...

  • Oberflächenanalyse

  • Oberflächenbearbeiten...

  • Carbon-fiber-Reinforc...

  • Fahrzeugkarosserie

  • Durchdruck

  • Wahrnehmung

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