Browsing by Subject "Materials compostos"
Now showing items 1-20 of 290
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A computational framework for micromechanical modelling of WC-Co composites
(Elsevier, 2023-02)
Article
Open AccessIn this study, the mechanical behavior under monotonic loads of tungsten carbide-cobalt (WC-Co) composites is investigated extensively by analyzing (1) nanoindentation tests on WC particles and Co matrix, (2) nanowires ... -
A FE2 multi-scale implementation for modeling composite materials on distributed architectures
(2019-04-01)
Article
Restricted access - publisher's policyThis work investigates the accuracy and performance of a FE2 multi-scale implementation used to predict the behavior of composite materials. The equations are formulated assuming the small deformations solid mechanics ... -
A gas-steamed route to mesoporous open metal-organic framework cages enhancing flame retardancy and smoke suppression of polyurea
(2024-02-05)
Article
Restricted access - publisher's policyUp to now, metal–organic frameworks (MOFs) with open nanostructures have shown outstanding capabilities in trapping smoke particles compared to the original MOFs. However, only a few MOF-based strategies have been reported ... -
A methodology to generate design allowables of composite laminates using machine learning
(2021-12)
Article
Open AccessThis work represents the first step towards the application of machine learning techniques in the prediction of statistical design allowables of composite laminates. Building on data generated analytically, four machine ... -
A micromechanical approach to modeling the effect of impact induced damage on the vibration response of CFRP laminates
(2015)
Conference report
Restricted access - publisher's policyThis work deals with modeling the effect of low-velocity impact damage upon the vibration response of CFRP laminates through a micro-mechanical description of the induced internal damage. The serial-parallel (SP) continuum ... -
A novel methodology to measure the transverse Poisson's ratio in the elastic and plastic regions for composite materials
(Elsevier, 2024-03-01)
Article
Open AccessA new methodology to measure the transverse Poisson’s ratios in fibre-reinforced composite materials was developed. Transverse tensile and transverse compressive standardised tests were instrumented using digital image ... -
A synchrotron computed tomography dataset for validation of longitudinal tensile failure models based on fibre break and cluster development
(Elsevier, 2021-12)
Article
Open AccessWe performed in-situ tensile tests on two carbon fibre/epoxy composites with continuous scanning using synchrotron computed tomography (CT). Both composites were cross-ply laminates, and two specimens were tested for each ... -
A three-dimensional plastic-damage model for polymer composite materials
(Elsevier, 2022-09)
Article
Open AccessA new 3D elastoplastic damage model is proposed to predict the plastic deformation and the progressive failure of unidirectional laminated composite materials at the meso-scale level. A non-associated flow rule is employed ... -
Acoblaments compòsit-compòsit i compòsit-metall
(Universitat Politècnica de Catalunya, 2022-07-05)
Bachelor thesis
Open AccessEn aquesta memòria es recull un estudi bibliogràfic dels mètodes emprats en acoblaments compòsitcompòsit i compòsit-metall, excloent-ne els adhesius. S’ha recapitulat els mètodes més habituals en una cartografia visual i ... -
Actualización del catálogo de composites de ICM Industrie para mecanizado industrial
(Universitat Politècnica de Catalunya, 2020-07-09)
Bachelor thesis
Restricted access - confidentiality agreement -
Adhesive properties of thiol-acrylate-epoxy composites obtained by dual-curing procedures
(Elsevier, 2022-01)
Article
Open AccessComposite materials were prepared using a thiol-acrylate-epoxy dual-curing system filled with Boron Nitride (BN) agglomerates. The adhesive properties obtained with two different acrylate ratios (ra) were tested to ... -
Advanced modelling of adhesive bonds in automotive components by the finite element method
(Universitat Politècnica de Catalunya, 2019-01)
Master thesis
Open Access
Covenantee: Applus+ IDIADAIn the design of new components for the automotive framework, simulation methodologies are applied in order to reduce experimental costs. The inclusion of new materials leads to the need of consider effects that were not ... -
Aerogeles compuestos multicapa a partir de biopolimeros y arcilla
(2019-10-15)
Article
Open AccessEn este trabajo se han desarrollado diferentes aerogeles con baja flamabilidad basados en la combinación de biopolimeros renovables y montmorillonta (MMT). Los compuestos fueron hechos usando agua como solvente y siguiendo ... -
An analytical model to predict stress fields around broken fibres and their effect on the longitudinal failure of hybrid composites
(2019-03)
Article
Open AccessThis paper presents an analytical model to predict the stress redistribution around broken fibres in hybrid polymer composites. The model is used under the framework of a progressive failure approach to study the load ... -
An enhanced constitutive model to predict plastic deformation and multiple failure mechanisms in fibre-reinforced polymer composite materials
(2024-02-15)
Article
Open AccessSpurious damage modes in continuum damage mechanics models for fiber-reinforced polymer composite materials based on the effective stress tensor can be generated when large strains occur. A methodology to prevent this ... -
An Experimental and numerical study of the load distribution effect on composite slab shear resistance
(EJournal Publishing, 2019-05)
Article
Open AccessThe design codes prescribe “a close simulation” of the uniformly distributed loads for bending tests, since, applying an ideal uniform load on the slab surface, is not technically as simple as applying concentrated loads ... -
An experimentally validated study for open rib profiles steel-concrete composite slabs behavior in partial connection
(2019)
Conference report
Open AccessIn this paper the strength of steel deck-concrete composite slabs is studied. Conventional slabs with open and dovetail profiles are studied with different designs, galvanized and stainless steel. Partial connection method ... -
An invariant based transversely-isotropic constitutive model for unidirectional fibre reinforced composites considering the matrix viscous effects
(2019-11)
Article
Open AccessFibres Reinforced Polymers (FRPs) are found in several applications in aeronautics, space and in the automotive industry. These applications are exposed to loading conditions, including impact, which results in a complex ... -
Analysis of fracture resistance of tool steels by means of acoustic emission.
(2010)
Conference report
Open AccessThe usage of advanced high strength steels (AHSS) in structural automotive components has been broadened in the past few years to satisfy the strict specifications of the automotive industry. Besides showing excellent ... -
Analysis of innovative matrix systems for continuous fiber reinforced plastics in RTM process
(Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2012)
Bachelor thesis
Restricted access - author's decision
Covenantee: Technische Universität DarmstadtThe use of lightweight and high-performance materials is nowadays one of the main challenge for the global automotive industry. Companies are forced to look for new ways to design and manufacture a commercially viable ...
