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High-temperature applications. Bonding technology in the steel industry |
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Performance increase in continuous casting of steel by adhesive bonding / Claudio Corbisieri in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 3/2018 (2018)
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Titre : Performance increase in continuous casting of steel by adhesive bonding Type de document : texte imprimé Auteurs : Claudio Corbisieri, Auteur ; Dominik Stapf, Auteur ; Pierre Jousset, Auteur ; Gion Andrea Barandun, Auteur ; Oliver Mathews, Auteur ; Stephan Feldhaus, Auteur Année de publication : 2018 Article en page(s) : p. 12-17 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique.
L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1.
C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple.
Collage structural
Métaux -- CollageIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Cost pressure in the steel industry is high. In order to be able to produce sustainably in this market characterised by overcapacities, the focus is on increasing productivity, especially for simple steel products. This is where innovative adhesive bonding comes into play. Note de contenu : - Adhesive bonding ensures usability
- Guarantee of product safety
- Extraction and idealisation of the load case
- Hyperelastic material modelling of short-term behaviour
- Long-term creep modelling
- Fig. 1 : Schematic diagram of the installation situation of the copper mold with solidification from the melt to the solidified semi-finished product and real implementation in the steelworks with several parallel strands for theproduction of steel billets
- Fig. 2 : Isometric view of the mold, which is elastostatically coupled to the outer plates by means of elastoc bonding - the detailed view of the steel inlet side shows the encapsulated, water-conducting cooling channels betweenthe mold and the plates
- Fig. 3 : Procedure under laboratory conditions for designing the adhesive bond for test operation in a steelworks
- Fig. 4 : Schematic representation of the standard model of viscoelasticity theory/ A/ and the expected extracted load behaviour as a function of time
- Fig. 5 : Simulation model of an idealised specimen - the simulation was used to identify the quality of the idealisation as well as the computer-based parameter identiication and implementation of idealisation in real test specimens to experimentally determine material parameters
- Fig. 6 : Schematic illustration of the developed specimen, which reproduces the effective load case in adequate approximation - the adhesive is pictured in deformed tate and attention was paid to reproduce the effective load level in an acceptable manner
- Fig. 7 : Adhesive bond with hourglassing of the mesh ; and successful elimination of the hourglassing problem and associated convergence problems by adapting the element formulation
- Fig. 8 : 200-times-magnified picture of the copper surface with adhesive residue after longterm failure - the imbricative debonding is a result of surface modification
- Fig. 9 : Maximum principal strain in the adhesive after short-term load and maximum principal strain in the adhesive after required operating time - the maximum principal strain values are element mean valuesEn ligne : https://drive.google.com/file/d/1nLh1fEnUiTtZtRwiyjMR7WSQjLuCNcBX/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31545
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Code-barres Cote Support Localisation Section Disponibilité 20502 - Périodique Bibliothèque principale Documentaires Disponible Heat-conductive adhesives - cool solutions for versatile applications / Heiko Fauser in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 3/2018 (2018)
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Titre : Heat-conductive adhesives - cool solutions for versatile applications Type de document : texte imprimé Auteurs : Heiko Fauser, Auteur Année de publication : 2018 Article en page(s) : p. 18-22 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Adhésifs dans les équipements électriques/électroniques
Adhésifs thermoconducteurs
Charges (matériaux)
Epoxydes
Mouillage (chimie des surfaces)
Rhéologie
Stabilité dimensionnelle
ThermocinétiqueIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Electronic devices are becoming ever smaller and more powerful, which increases the heat their components generate and that needs to be dissipated. This increased thermal load reduces the components' performance and shortens their service life. An optimized heat management helps protect the devices and increase their performance. Note de contenu : - Thermally conductive adhesives : flexible in application
- Epoxy adhesives - versatile and reliable
- Fillers - only the right filling brings the right cooling
- Development of thermally conductive adhesives
- Model systems
- Flow behaviour of thermally conductive adhesives
- Thermal conductivity
- Fig. 1 : Application of two adhesives with different flow behaviours - the different wetting behaviours and dimensional stability are clearly visible
- Fig. 2 : Influence of different filler types on the flow behavious with comparable filling degree (% volume) ; the viscosity of the base resin without filler is 2 Pa-s (black dashed line)
- Fig. 3 : Comparison of the influence of particle shape on viscosity ; a higher degree can be achieved with round particles (typ II - blue) at low viscosity than with irregurlarly shaped particles (type I - red)
- Table 1 : Selection of thermally conductive fillersEn ligne : https://drive.google.com/file/d/1BW3QEozaFoC1LeCN81DcqdmCp8lkfCAY/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31546
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Code-barres Cote Support Localisation Section Disponibilité 20502 - Périodique Bibliothèque principale Documentaires Disponible Fatigue behavior and climatic cycle testing of large bonded attachments / Ivo Drisga in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 3/2018 (2018)
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Titre : Fatigue behavior and climatic cycle testing of large bonded attachments Type de document : texte imprimé Auteurs : Ivo Drisga, Auteur ; Nikolai Glück, Auteur ; Tim Berend Block, Auteur ; Kai Ehrich, Auteur Année de publication : 2018 Article en page(s) : p. 24-27 Langues : Multilingue (mul) Catégories : Assemblages collés
Climat
Colles:Adhésifs
Essais accélérés (technologie)
Essais de résilience
Flexion (mécanique)
Matériaux -- Fatigue
Pales d'éoliennes
Résistance à la fatigue (matériaux)
Résistance aux conditions climatiques
RotorsIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : To make reliable predictions on the durability of adhesive bonds used at rotor blades is a challenge. The Fraunhofer Institute for Large Structures in Production Technology (IGP) and the company Nordex Energy GmbH developed for this purpose a combined fatigue strength and climatic cycle test for large bonded attachments in original size. Note de contenu : - Load and stress of the adhesive layers on the rotor blade
- Development of a test method for realistic specimens
- Advantages compared to common test methods
- Test method and results
- Fig. 1 : Loading of attachments on rotor blades on wind turbines (after SIKA)
- Fig. 2 : Stress of the adhesive layer using the example of a bending beam
- Fig. 3 : Principle of generating alternating extreme fiber strain by 4-point bending
- Fig. 4 : Functions of the double-acting bending test bench
- Fig. 5 : Test beam with attached specimens
- Fig. 6 : Example for temperature cycles for the combined fatigue behaviour and climatic change testingEn ligne : https://drive.google.com/file/d/1VWzK6f5YK0VRCGsMI4ySMkHoXHzj_oIf/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31547
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Code-barres Cote Support Localisation Section Disponibilité 20502 - Périodique Bibliothèque principale Documentaires Disponible Hot melt systems : how to improve operator safety in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 3/2018 (2018)
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Titre : Hot melt systems : how to improve operator safety Type de document : texte imprimé Année de publication : 2018 Article en page(s) : p. 28-29 Langues : Multilingue (mul) Catégories : Adhésifs thermofusibles
Cartonnages
Emballages
Sécurité du travail
Système de distribution (production)
Travailleurs -- ProtectionIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Hot melt adhesive granules are commonly used in every carton packaging line. However, working with material at temperatures up to 200 °C can lead to safety hazards, such as burns or toxic fumes. The best way to reduce risk is to choose equipment or adhesive at high temperatures. This is exactly what automatic feeding and tank-free hot melt systems do. Note de contenu : - The hazards of manual feeding systems
- Automatic feeding systems increase safety
- Char leads to burns and toxic fumes
- Tank-free systems reduce char and increase safety
- Fig. 1 : InvisiPac melter with feeding system in a carton packaging line
- Fig. 2 : Control box for the hot melt system
- Fig. 3 : The InvisiPac melter only heats a small parts of the material - and only when it's neededEn ligne : https://drive.google.com/file/d/18c3qBjya7GZKYyLQl8AnmNn7-JrudDxr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31548
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Code-barres Cote Support Localisation Section Disponibilité 20502 - Périodique Bibliothèque principale Documentaires Disponible Positive results in the production of battery cells in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 3/2018 (2018)
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Titre : Positive results in the production of battery cells Type de document : texte imprimé Année de publication : 2018 Langues : Multilingue (mul) Catégories : Adhésifs dans les automobiles
Assemblages collés
Collage
Epoxydes
Piles électriques
Polyuréthanes
Temps de cycle (production) -- RéductionIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Battery technology is undergoing very rapid changes and, as a result, battery manufacturers are constantly improving their production processes. Nordson Sealant equipment supplies dispensing systems for a broad spectrum of applications in the battery assembly process, such as dispensing thermal management materials and bonding urethanes and epoxy resins. Note de contenu : - Shorter cycle times
- Performance by design : robust, high-precisionequipment with a long service life
- Intelligent footprint design
- Fig. 1 : Shortening cycle times is one of the main priorities of battery manufacturersEn ligne : https://drive.google.com/file/d/17xMPruq728b0cqE6EjjDId0xubWgwTCy/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31552
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Code-barres Cote Support Localisation Section Disponibilité 20502 - Périodique Bibliothèque principale Documentaires Disponible
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Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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20502 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |