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Colour harmony of two-colour combinations using a 3D colour configuration / Shi-Min Gong in COLORATION TECHNOLOGY, Vol. 135, N° 4 (08/2019)
[article]
Titre : Colour harmony of two-colour combinations using a 3D colour configuration Type de document : texte imprimé Auteurs : Shi-Min Gong, Auteur ; Wen-Yuan Lee, Auteur Année de publication : 2019 Article en page(s) : p. 292-304 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Couleur Tags : 'Harmonie des couleurs' 'Configuration 3D' Index. décimale : 535.6 Couleur Résumé : Over the past few years, although many studies have investigated colour harmony, most of those used the planar colour configuration, which is not in line with the design requirements of real‐life products. Therefore, this study used 11 basic colours and five types of colour scheme techniques to derive 141 colour combinations applied upon a physical 3D colour configuration to observe the phenomena of colour harmony. The results show that colour harmony on a 3D colour configuration is different from that on a planar colour configuration, and can be divided into four phenomena: (i) lightness difference was found to determine the colour harmony while achromatic colour was configured with achromatic colour; (ii) lightness sum prompted colour harmony while chromatic colour was configured with achromatic colour; (iii) lightness sum and chroma sum were found to determine colour harmony while chromatic colour was configured with chromatic colour with a two‐colour hue angle difference >90°; and (iv) lightness sum and hue difference were a determination of colour harmony while chromatic colour was configured with chromatic colour with a two‐colour hue angle difference of ≤90°. On the basis of these phenomena, this study develops a colour harmony model based on the colour parameters, most of which are derived from the addition of the colour attributes of two colours. Note de contenu : - Literature review
- Experimental
- Intra- and inter-observer variation
- The interrelationship between colour harmony and colour parameters
- Colour harmony model for colour combination on 3D colour configuration
- Comparison with existing colour harmony modelsDOI : 10.1111/cote.12405 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12405 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32832
in COLORATION TECHNOLOGY > Vol. 135, N° 4 (08/2019) . - p. 292-304[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21090 - Périodique Bibliothèque principale Documentaires Disponible Stress concentration factors in composites / P. N. Dominguez in JEC COMPOSITES MAGAZINE, N° 37 (12/2007)
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Titre : Stress concentration factors in composites Type de document : texte imprimé Auteurs : P. N. Dominguez, Auteur ; S. I. Robles, Auteur ; N. F. Ortega, Auteur ; R. D. Santos, Auteur Année de publication : 2007 Article en page(s) : p. 64-66 Langues : Anglais (eng) Tags : 'Matériaux composites' 'Contraintes mécaniques' 'Concentration contraintes' 'Configuration géométrique' Stratifié 'Fibre verre' carbone' Epoxy Kevlar Acier Index. décimale : 668.4 Plastiques, vinyles Résumé : Composite materials are used increasingly in the mechanical design of structures, so being able to predict their mechanical behaviour is important. In this work, the stress concentration produced by geometric discontinuities is studied in terms of geometrical configuration, size, direction of the resistant fibre, and quantity of plies and their layout. Note de contenu : - Single-ply composite materials
- Laminates
- Cross-ply laminates
- Angle-ply laminatesPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14016
in JEC COMPOSITES MAGAZINE > N° 37 (12/2007) . - p. 64-66[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 008940 - Périodique Bibliothèque principale Documentaires Disponible Measuring the gloss of curved surfaces / B. Duncan in SURFACE COATINGS INTERNATIONAL, Vol. 79, N° 4 (04/1996)
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Titre : Measuring the gloss of curved surfaces Type de document : texte imprimé Auteurs : B. Duncan, Auteur Année de publication : 1996 Article en page(s) : p. 185-190 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Etude expérimentale' Réflectométrie 'Analyse surface' 'Surface courbe' 'Configuration cylindrique' Index. décimale : 667.9 Revêtements et enduits Résumé : The measurement and control of surface appearance is important to a wide range of industries as the appeal of finished goods can depend strongly on the visual appearance of their surfaces. Many techniques are employed to quantify the appearances of surfaces, measuring properties such a haze, colour, specular gloss or distinctness of image. Specular gloss can be defined as the proportion of light reflected from a standard surface. This measurement is relatively straight forward to make and standard methods for measuring gloss have been developed for use in industries such as paper manufacture, paints and coatings, metals and plastics. Many manufacturers make fixed angle reflectometer instruments (known as gloss meters) which conform to these standards.
Different measurement procedures are required when measuring curved surfaces. Gloss meter manufacturers have developed meters with reduced illumination areas to imrove the measurement of curved surface gloss. The work in the present paper addresses the measurement of the gloss of cylindrical surfaces. Such surfaces have curvatures simply defined by the cylinder radius and readily identifiable axes of symmetry. Measurements were made of the gloss of cylindrical surfaces to assess the performance of gloss meters. Simple models to calculate the expected performance of meters on the cylindrical surfaces are discussed.Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17042
in SURFACE COATINGS INTERNATIONAL > Vol. 79, N° 4 (04/1996) . - p. 185-190[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006570 - Périodique Bibliothèque principale Documentaires Disponible