3D printing meets FRP / Henning Janssen in JEC COMPOSITES MAGAZINE, N° 110 (01-02/2017)

[article]  inJEC COMPOSITES MAGAZINE > N° 110 (01-02/2017) . - p. 28-29 Titre : 3D printing meets FRP : more flexibility for highly-stressed components Type de document : texte imprimé Auteurs : Henning Janssen, Auteur Année de publication : 2017 Article en page(s) : p. 28-29 Langues : Anglais (eng) Catégories : Additifs Composites à fibres Composites à fibres -- Moulage par injection Composites à fibres -- Thermoformage Impression tridimensionnelle Matières plastiques dans les automobiles Index. décimale : 668.4 Plastiques, vinyles Résumé : Individuality and adaptability need sot be at odds with robustness and stability. It is envisaged that products such as car seat shells or medical prostheses, which are required to meet all of these characteristics, will be produced using a combination of 3D printing and fibre composite technology in the future. Note de contenu : - Injection moulding - Additive production - Organic sheet - Thermoforming process Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28194 [article]

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3D sandwich panel manufacturing with great properties as result / Jan Verhaeghe in JEC COMPOSITES MAGAZINE, N° 69 (11-12/2011)

[article]  inJEC COMPOSITES MAGAZINE > N° 69 (11-12/2011) . - p. 45-47 Titre : 3D sandwich panel manufacturing with great properties as result Type de document : texte imprimé Auteurs : Jan Verhaeghe, Auteur ; Jan Kustermans, Auteur Année de publication : 2011 Article en page(s) : p. 45-47 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composites à fibres Composites à fibres multidirectionnelles Construction sandwich Fibres de carbone Fibres de verre Matériaux aiguilletés Panneaux de fibres Plastiques alvéolaires Stratifiés Thermodurcissables Index. décimale : 620.19 Autres matériaux Résumé : The Acrosoma® 3D stitched panel is a high-tech product that can be manufactured in large volumes. The resulting structures are lightweight and designed to withstand high loads, and have low thermal expansion. This paper shows how the use of three-dimensional sandwich panels pushes the limits of composite materials in structural applications. Note de contenu : - INTRODUCTION : General - Production process - ENGINEERING METHODOLOGY - BEAM PRODUCTION - POSSIBLE INTERFACES : Interface with insert nuts - Interface with steel plates - Interface with glass-epoxy laminates plates - HIGH-END APPLICATIONS : Transportation equipment - Assembly equipment - Base structures Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17351 [article]

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Accelerated weathering performance of wood-plastic composites reinforced with carbon and glass fibre-woven fabrics / Sefa Durmaz in COLORATION TECHNOLOGY, Vol. 138, N° 1 (02/2022)  

[article]  inCOLORATION TECHNOLOGY > Vol. 138, N° 1 (02/2022) . - p. 71-81 Titre : Accelerated weathering performance of wood-plastic composites reinforced with carbon and glass fibre-woven fabrics Type de document : texte imprimé Auteurs : Sefa Durmaz, Auteur ; Yusuf Ziya Erdil, Auteur ; Özlem Özgenç, Auteur Année de publication : 2022 Article en page(s) : p. 71-81 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Colorimétrie Composites à fibres Composites à fibres végétales Essais accélérés (technologie) Essais dynamiques Fibres de carbone Fibres de verre Flexion (mécanique) Polyéthylène greffé anhydride maléique Polyéthylène haute densité Réaction de couplage Résistance aux conditions climatiques Index. décimale : 668.4 Plastiques, vinyles Résumé : Wood-plastic composites (WPCs) are new generation materials widely used in outdoor conditions; however, the appearance and mechanical properties of WPCs change with exposure to weather. In this study, high-density polyethylene-based flat-pressed WPCs are reinforced with carbon and glass fibre-woven fabrics for uses where high mechanical properties are needed in outdoor conditions. For this purpose, WPCs are exposed to accelerated weathering conditions to determine the effect of weathering with and without reinforcement. The results show that, after weathering, colour changes are inevitable for WPCs. Attenuated total reflection–Fourier transform-infrared analysis reveals the changes in the matrix's chemical structure, illustrating the alterations in WPC surface characteristics. The mechanical properties of WPCs decrease as a result of photodegradation. However, the reinforced WPCs have higher mechanical properties than the control samples, despite extensive degradation. Carbon fibre (200 g/m2) achieved the greatest flexural strength and modulus of elasticity, 150% and 122% higher, respectively, than unreinforced WPCs. Scanning electron microscopy analysis shows that, despite the intensive photodegradation on the surface, the integration of the matrix and woven fabrics was still strong. The surface erosion was observed with light microscopy. The visual appearance also exhibited some changes that occurred on the surface of WPCs. Note de contenu : - MATERIALS AND METHODS : Materials - Composite processing - Accelerated UV weathering test - Colour measurement - ATR–FTIR spectroscopy analysis - Flexural testing and modulus of elasticity - Microscopic analysis - RESULTS AND DISCUSSION : Colour change - ATR–FTIR spectroscopy analysis - Flexural properties and MOE - Visual appearance - Microscopic images - Table 1 : Changes in the wood index after weathering - Table 2 : Changes in the flexural properties of wood-plastic composites after weathering DOI : https://doi.org/10.1111/cote.12572 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12572 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37500 [article]

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Additive manufactured mold cavity increases production efficiency / Sebastian S. Neubauer in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 7 (2022)

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 112, N° 7 (2022) . - p. 82-85 Titre : Additive manufactured mold cavity increases production efficiency : Housing made of fiber-reinforced polybutylene terephthalate (PBT) Type de document : texte imprimé Auteurs : Sebastian S. Neubauer, Auteur ; Dominik Lawatsch, Auteur ; Nicolas Buettner, Auteur ; Pawel Uchyla, Auteur ; Michael Vosswinkel, Auteur ; Christian Hellmuth, Auteur Année de publication : 2022 Article en page(s) : p. 82-85 Langues : Anglais (eng) Catégories : Composites à fibres Impression tridimensionnelle Matériaux -- Allègement Matières plastiques -- Appareils et matériel Outillage Polybutylène téréphtalate Systèmes de refroidissement Index. décimale : 668.4 Plastiques, vinyles Résumé : Based on simulations and prototype production, the influence of an additive manufactured injection molding tool cavity on the manufacturing process was investigated. Due to the improved cooling performance, the cycle time can be reduced by approximately 10 %, whereas at the same time, a high dimensional stability of the polybutylene terephthalate (PBT) component can be achieved. Note de contenu : - Metal substitution for the new mobility - Conformal cooling from additive manufacturing as the method of choice - Highest dimensional accuracy as a must for metal rep Lacement - Increasing cooling performance for higher production efficiency - Gentle material treatment while faster processing - Successful realization of the project - Fig. 1 : Left: conventional cooling, component and conformal cooling channels from additive manufacturing and component. - Fig. 2 : Top view of the housing. The warpage of the component after simulation with conformal cooling at the interface to the cover is visualized - Fig. 3 : Comparison of surface temperatures at the end of the cycle for different cooling methods. - Fig. 4 : Comparison of the surface temperature at the back of the hotspot for conformal and conventional cooling - Fig. 5 : Picture of the finished component : the housing of an electromechanical actuator made of PBT. It is lighter by 35% compared to aluminum in this design Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38426 [article]

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Additive manufacturing of high-performance composite structures / David Hauber in JEC COMPOSITES MAGAZINE, N° 119 (03/2018)

[article]  inJEC COMPOSITES MAGAZINE > N° 119 (03/2018) . - p. 29-31 Titre : Additive manufacturing of high-performance composite structures Type de document : texte imprimé Auteurs : David Hauber, Auteur ; Ralph Marcario, Auteur Année de publication : 2018 Article en page(s) : p. 29-31 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composites à fibres Impression tridimensionnelle Matériaux hautes performances Placement automatisé de fibres Index. décimale : 668.4 Plastiques, vinyles Résumé : In the previous article about "High-performance" creations: additive manufacturing and composites" (JEC Magazine no. 115), the authors Prof. David Rosen and Dr. Florian Doetzer pointed out the possibilities that arise when composite manufacturing and additive manufacturing (AM) processes complement each other. The discussion continued in "Fibre Patch Placement: expanding the scope of additive manufacturing" (JEC Magazine no. 117). The authors Felix Michel and Thorsten Groene elaborated how fibre patch placement combines the advantages of additive manufacturing with state-of-the-art performance expectations of the composite industry. Now the discussion will be led into 3D printing, learning from rapid prototyping and merging automated fibre placement with thermoplastic-matrix composites. Note de contenu : - Theory - Additive manufacturing of tooling and cores - Fig. 1 : 1980s HGT, modern HGT, and LHS in-situ TPC AFP heads - Fig. 2 : AM washout core and IM7/PEEK structure - Fig. 3 : Dan Campbel of Aurora flight science with their 3DP jet powered UAV and fly-away cores - Fig. 4 : Preliminary result for topology optimized AM core for in-situ TCP AFP Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30152 [article]

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Adhesives for overhead stowage bins made of composite material / Nicole Guggenmos in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 1/2018 (2018)

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Advanced basalt fibre in high-tech applications / Boris Mislavsky in JEC COMPOSITES MAGAZINE, N° 44 (10/2008)

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Advanced diaphragm forming process for high temperature thermoplastic composite applications / Christian Hopmann in SAMPE JOURNAL, Vol. 48, N° 2 (03-04/2012)

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Advanced production of thermoplastic composite pipes / Martin Schäkel in JEC COMPOSITES MAGAZINE, N° 126 (01-02/2019)

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An engineering model that simulates pantographing occurring in the shaping process of reinforced uncured rubber parts / B. Debbaut in INTERNATIONAL POLYMER PROCESSING, Vol. XXXII, N° 1 (03/2017)

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Analyse et modélisation des poutres en béton armé renforcées par collage externe de plaques composites / Tahar Hassaine Daouadji in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 23, N° 2 (05-06-07-08/2013)

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Analyse numérique du comportement de fissure soumise à des contraintes résiduelles dans les composites à matrice métallique / Sara Ramdoum in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 27, N° 3-4 (2e semestre 2017)

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Analysis : tensile behaviour of unidirectional flax/epoxy plies / Christophe Baley in JEC COMPOSITES MAGAZINE, N° 25 (05-06/2006)  

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Analytical and numerical solutions of Oldroyd 8-constant fluid in double-layer optical fiber coating / Zeeshan Khan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 1 (01/2019)  

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AP-PLY : A new fibre placement architecture for fabric replacement / Martin Nagelsmit in SAMPE JOURNAL, Vol. 47, N° 2 (03-04/2011)

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Application of basalt rock-based materials in the automotive industry / S. P. Osnos in JEC COMPOSITES MAGAZINE, N° 148 (11-12/2022)

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Application de la théorie Bending-Gradient aux plaques stratifiées / Arthur Lebée in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 22, N° 3 (09-10-11-12/2012)

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Applications of non-circular cross-section chemical fibers / Xiaosong Liu in CHEMICAL FIBERS INTERNATIONAL, (10/2012)  

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Approaches for evaluating composite materials used in a variety of piping designs / Roo Martin in JEC COMPOSITES MAGAZINE, N° 97 (05-06/2015)

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Une approche multi-échelle de la rhéologie des suspensions concentrées de fibres / Steven Le Corre in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 15, N° 3 (2005)

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