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Eye-catchers under the hood / Branislav Zlatkov in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 3 (03/2017)
[article]
Titre : Eye-catchers under the hood : Optimizing properties and costs in the production of designer engine covers Type de document : texte imprimé Auteurs : Branislav Zlatkov, Auteur ; Daniel Scholz, Auteur ; Alistar James, Auteur ; Bernd Laue, Auteur ; Markus Thurmeier, Auteur ; Dieter Langenfelder, Auteur ; Erik Licht, Auteur ; Mark Nowag, Auteur ; Klaus Klemm, Auteur Année de publication : 2017 Article en page(s) : p. 32-35 Langues : Anglais (eng) Catégories : Cache moteur
Composites à fibres de verre
Composites à fibres de verre -- Propriétés mécaniques
Matières plastiques dans les automobiles
Polyamide 6
PolypropylèneIndex. décimale : 668.4 Plastiques, vinyles Résumé : Polypropylene - Visible components in vehicle engine rooms increasingly have to satisfy not just technical requirements, but design expectations, too. An engine cover thus has to have an attractive and distinctive surface. A series part by Volkswagen demonstrates that this is possible not only with polyamide, but with glass-fiber-reinforced polypropylene as well. Note de contenu : - Demands on the plastic
- Replacing polyamide reliably
- The surface of designer engine covers
- Experimental investigation of moldability by injection molding
- Less energy during processing
- FIGURES : 1. REM images of traditional glass-fiber-reinforced PP compounds exhibit rough and irregular surfaces due to protruding fibers. Since engine coves are now considered visible parts, this has to be avoided - 2. The designer engine cover from a not yet optimized PP compound in delivery condition exhibits clear polymer degradation after 500h thermal aging
- TABLES : 1. Results before and after thermal aging of the proposed PP-GF Hostacom ERG 393F Black. The mechanical properties may lie below those of the series material, but are adequate for the case of application - 2. Comparative processing parameters for polyamide and thenewly developed PP-GF type. Among other things, injection pressure, locking force and tempering indicate reduced energy consumption during productionEn ligne : https://drive.google.com/file/d/1zNnXEKxSRJEl3gwEW9FOLP7JGfemS3JU/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28270
in KUNSTSTOFFE INTERNATIONAL > Vol. 107, N° 3 (03/2017) . - p. 32-35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18797 - Périodique Bibliothèque principale Documentaires Disponible A fleeting glance inside lightweight materials / Markus Thurmeier in KUNSTSTOFFE INTERNATIONAL, Vol. 106, N° 9 (09/2016)
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Titre : A fleeting glance inside lightweight materials : Active thermography for testing mass-produced composite parts Type de document : texte imprimé Auteurs : Markus Thurmeier, Auteur ; Michael Fischlschweiger, Auteur ; Alexander Stock, Auteur Année de publication : 2016 Article en page(s) : p. 114-117 Langues : Anglais (eng) Catégories : Composites à fibres de carbone
Composites thermoplastiques
Contrôle non destructif
ThermographieIndex. décimale : 668.4 Plastiques, vinyles Résumé : Wherever materials properties can contribute to weight savings, it is especially important to optimize the parts. A recent study by the Audi AG and Ottronic Regeltechnik GmbH shows which role non-destructive testing using active thermography can play. Note de contenu : - Quality plays a special role
- In-Depth information
- The measuring principle in active thermography
- Testing FCPs with thermoplastic matrices
- Industrial use of the testing system
- Automated testing for mass production
- Even more weight savings
- FIGURES : 1. CFRP in mass production : The space frame of an Audi A8 is the result of multi-material construction - 2. The principle of active thermography : An excitation source heats the test object for a short time, inducing a change in temperature. The temperature signal detected by an infrared detector is processed, evaluated, and displayed graphically - 3. Simulation : Temporal temperature curve (color shading) through the depth of test object for a single heat pulse and the input of several pulses, such as used in the lock-in process. The dotted white line indicates the delay in temperature spreadin - 4. Ottronic ATIIS Vari : Industrially applicable system for active thermographyEn ligne : https://drive.google.com/file/d/1tWyO9n8AfVvEOP_AC7GVYJgrapoD6yPY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28052
in KUNSTSTOFFE INTERNATIONAL > Vol. 106, N° 9 (09/2016) . - p. 114-117[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18341 - Périodique Bibliothèque principale Documentaires Disponible Heating technology as a key factor / Markus Thurmeier in KUNSTSTOFFE INTERNATIONAL, Vol. 104, N° 6 (06/2014)
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Titre : Heating technology as a key factor : Lightweight construction with thermoplastic FRP requires new directions in processing Type de document : texte imprimé Auteurs : Markus Thurmeier, Auteur ; Alexander Stock, Auteur ; Michael Fischlschweiger, Auteur Année de publication : 2014 Article en page(s) : p. 46-47 Langues : Anglais (eng) Catégories : Chauffage
Composites à fibres -- Moulage par injection
Matériaux -- AllègementIndex. décimale : 668.4 Plastiques, vinyles Résumé : Fiber-reinforced plastic composites play a key role in future mobility. The biggest challenge at present is to develop material systems and processes that permit economic and efficient use of materials for large series production. The enormous potential of thermoplastic fiber-resin composite solutions for this is already emerging but also the claim that they explore new directions in processing. Note de contenu : - The goal is to reverse the weight
- Shortening the path from the semi-finished product to the part
- Controlled heating reduces stress on the matrix
- Installed powder versus energy consumption
- Uniform heating of semifinished products with variable wall thicknessEn ligne : https://drive.google.com/file/d/1THZyAKrT5JHin7fWqPFK4XjEVS7E5u67/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21627
in KUNSTSTOFFE INTERNATIONAL > Vol. 104, N° 6 (06/2014) . - p. 46-47[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 16367 - Périodique Bibliothèque principale Documentaires Disponible