High-performance polymers for fibres and fibre-reinforced composites / Thomas Gries in JEC COMPOSITES MAGAZINE, N° 142 (09-10/2021)  

[article]  inJEC COMPOSITES MAGAZINE > N° 142 (09-10/2021) . - p. 23- Titre : High-performance polymers for fibres and fibre-reinforced composites Type de document : texte imprimé Auteurs : Thomas Gries, Auteur ; Melina Sachtleben, Auteur ; Lukasz Debicki, Auteur ; Max Schwab, Auteur Année de publication : 2021 Article en page(s) : p. 23- Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Composites à fibres Coût -- Contrôle Polyéther éther cétone Polyéther imide Polymères -- Applications industrielles Polymères hautes performances Polysulfures de phénylène Index. décimale : 668.4 Plastiques, vinyles Résumé : Thermoplastic high-performance polymers (HPP) combine excellent technical properties with low weight, which is why these materials are used in particular in the automotive and aerospace industries where discontinuous service termperatures are usually between 150°C and 260°C. In addition, HPP remain usable in contact with chemicals under high mechanical stress and under various external influences such as high and very low temperatures, as well as other environmental influences. They are also well suited for the production of filament yarns, with typical materials being PEEK, PPS and PEI. Note de contenu : - Reducing cost - As matrix material - Demonstrator - Fig. 1 : Filament yarn made from PEEK and the resulting fabric - Fig. 2 : Production of composite by hybrid yarn depositing (carbon fibre/PEI) using tailored fibre placement and subsequent hot pressing of the preforms in the pressing tool - Fig. 3 : Comparison of the TFP component with hybrid yarn in a technical-economic comparison with reference components made of organic sheet and aluminium 7075 En ligne : https://drive.google.com/file/d/1_Ny9iQowH6eWa4oNZeqghEyGToGplMwX/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37172 [article]

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Smart nonwovens for flood protection / Till Quadflieg in CHEMICAL FIBERS INTERNATIONAL, Vol. 65, N° 5 (12/2015)  

[article]  inCHEMICAL FIBERS INTERNATIONAL > Vol. 65, N° 5 (12/2015) . - p. 273-274 Titre : Smart nonwovens for flood protection Type de document : texte imprimé Auteurs : Till Quadflieg, Auteur ; Max Schwab, Auteur ; Thomas Gries, Auteur ; Holger Schüttrumpf, Auteur ; Jürgen Jensen, Auteur ; Peter Fröhle, Auteur ; Rainer Lehfeldt, Auteur ; Jörg Blankenbach, Auteur Année de publication : 2016 Article en page(s) : p. 273-274 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Géotextiles Inondations -- Maîtrise Matériaux intelligents Nontissés Textiles et tissus à usages techniques Index. décimale : 677.4 Textiles artificiels Résumé : Smart dike systems allow better prediction of natural disasters in flooding areas through condition and stress monitoring. Early warning systems for floods and storm surges are based exclusively on water level forecasts. Other loads such as wind, waves, currents or heavy rainfalls, as well as the resistance of flood protection structure itself (e.g. dikes, flood protection walls) are not considered. Nevertheless, the flood protection structures may fail before the design load is reached due to cascading effects (e.g. simultaneous occurrence of various loads) and the early failure of the flood protection structure itself (e.g. due to local inhomogeneity or damage). Such events cannot be identified by existing early warning systems in coastral and riverine areas. Therefore, it is absolutely necessary to develop a sensor and risk-based early warning system, which will be set-up exemplarily for sea dikes and includes all relevant processes including cascading effects, allows in time warnings and provides reliable and robust real-time data for decision-makers within a geoportal for disaster prevention and disaster management. Note de contenu : - Objective of the overall and sub-projects - WP 1 : storm surge monitor and simulator - WP 2 : wave monitor and simulator - WP 3 : dike monitor and simulator - WP 4 : flood simulator and flood damage simulator - WP 5 : sensor and spatial data infrastructure En ligne : https://drive.google.com/file/d/14OMDFR6kb3ljmSGYWIrMKw7kzbLEXrLV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25163 [article]

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