Letteratura scientifica selezionata sul tema "Essais de traction. nanoindentation"
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Articoli di riviste sul tema "Essais de traction. nanoindentation"
Yang, Xiao Fang, e Jian Lu. "Nanostructured 316 Stainless Steel Prepared under Traction by Surface Mechanical Attrition Treatment". Materials Science Forum 614 (marzo 2009): 201–6. http://dx.doi.org/10.4028/www.scientific.net/msf.614.201.
Testo completoFradet, Clémence, Florian Lacroix, Gaëlle Berton, Stéphane Méo e Eric Le Bourhis. "Extraction des proprietes mecaniques locales d’un elastomere par nanoindentation : developpement des protocoles et application". Matériaux & Techniques 105, n. 1 (2017): 109. http://dx.doi.org/10.1051/mattech/2017013.
Testo completoCubero, Henri, Jean-Philippe Fauvarque, Gaëlle Farizy, Jean-Christophe Sangleboeuf e Jean-Louis Chermant. "Essais de traction in-situ de composites à matrices céramiques". Annales de Chimie Science des Matériaux 30, n. 6 (31 dicembre 2005): 637–47. http://dx.doi.org/10.3166/acsm.30.637-647.
Testo completoKlipfel, Y. L., F. Besse e L. Haenny. "Contrôle de qualité : essais de traction en série sur une machine conventionnelle". Matériaux & Techniques 75, n. 10-11 (1987): 391–97. http://dx.doi.org/10.1051/mattech/198775100391.
Testo completoLi, Xiaobao, e Changwen Mi. "Nanoindentation hardness of a Steigmann–Ogden surface bounding an elastic half-space". Mathematics and Mechanics of Solids 24, n. 9 (5 ottobre 2018): 2754–66. http://dx.doi.org/10.1177/1081286518799795.
Testo completoRevaux, T., J. D. Guérin, J. P. Bricout e J. C. Tissier. "Essais de traction à haute température après refusion in situ : application aux aciers et aux fontes". Revue de Métallurgie 93, n. 12 (dicembre 1996): 1551–62. http://dx.doi.org/10.1051/metal/199693121551.
Testo completoSerratrice, Jean-François. "Une méthode d'interprétation des essais effectués sur site sur des boulons à ancrage réparti sollicités en traction". Revue Française de Géotechnique, n. 171 (2022): 4. http://dx.doi.org/10.1051/geotech/2022005.
Testo completoCamurri, Carlos, Claudia Carrasco, Antonio Pagliero e Rodrigo Leite. "Influence of the Impurities on Cathodic Copper on the Ductility of Copper Wires". Materials Science Forum 706-709 (gennaio 2012): 899–906. http://dx.doi.org/10.4028/www.scientific.net/msf.706-709.899.
Testo completoYoon, Jang Hyuk, Seong Jin Kim e Ho Jang. "Molecular Dynamics Simulation of Stress Induced Grain Boundary Migration during Nanoindentation Experiments". Materials Science Forum 449-452 (marzo 2004): 89–92. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.89.
Testo completoSternberg, Anna K., Liubov Izmaylova, Volker U. Buck, Irmgard Classen-Linke e Rudolf E. Leube. "An Assessment of the Mechanophysical and Hormonal Impact on Human Endometrial Epithelium Mechanics and Receptivity". International Journal of Molecular Sciences 25, n. 7 (27 marzo 2024): 3726. http://dx.doi.org/10.3390/ijms25073726.
Testo completoTesi sul tema "Essais de traction. nanoindentation"
Gasmi, Assia. "Effet de la nanostructuration sur le comportement thermomécanique du Nitinol". Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMONS018.
Testo completoThis thesis focuses on the shape memory alloy NiTi, with a specific emphasis on the influence of the surface nanostructuring process SMAT on its thermomechanical behavior. Through four distinct chapters, it revisits the main characteristics of shape memory alloys (SMAs), highlighting the exceptional properties of the NiTi alloy and exploring the surface nanocrystallization treatment (SMAT). Microstructural characterization is then deeply investigated, particularly by studying the effects of annealing heat treatment and SMAT on phase transition. The third chapter focuses on thermomechanical analysis methods suitable for NiTi, examining tensile tests and nanoindentation. Finally, the fourth chapter analyzes the thermomechanical characterization of the alloy before and after SMAT treatment, highlighting the implications of these transformations on its overall behavior.This thesis contributes to understanding the effects of the SMAT process on the NiTi alloy, revealing links between microstructure, present phases, and mechanical properties. The results offer promising perspectives for better control of the properties of the NiTi alloy.The results obtained for different SMAT treatments show that this process modifies the mechanical response of the material. It also has an influence on its initial state, as illustrated by differences in DSC curves. Kinematic (strain rate fields) and calorimetric (heat source field) measurements also indicate notable differences in responses depending on SMAT processing parameters. Exploration of behavior during load/unload cycles shows a response that stabilizes after a few cycles. Coupling effects seem to be predominant compared to dissipative effects. These observations should be extended to fatigue loading to better highlight any dissipative effects. Similarly, the use of more elaborate interpretation models would allow better consideration of structural effects and enrich the understanding of the relationship between the process and property evolutions
Chentouf, Sid-Ahmed. "Simulation et essais dynamiques sur stators de moteurs de traction". Phd thesis, Université de Franche-Comté, 2011. http://tel.archives-ouvertes.fr/tel-00776475.
Testo completoChentouf, Sid-Hamed Benabdallah. "Simulation et essais dynamiques sur stators de moteurs de traction". Thesis, Besançon, 2011. http://www.theses.fr/2011BESA2002/document.
Testo completoMastering numerical simulations of the behaviour of railway stators remains an important challenge for designers. This allows both the understanding of some physical phenomena and the improvement of design in presence of different sources of uncertainties. The approach proposed in this work consists firstly on building and validating a numerical model of a typical design stator. By carrying out numerical-experimental confrontations and updating models, this first step allowed us to characterize the mean behavior of this heterogeneous assembling and mainly to establish generic modeling rules for other design stators. The second part of this work deals with the investigation of uncertainties affecting the structure or its model. In order to take into account all uncertainties types while performing a calculation of uncertainties propagation, a stochastic hybrid method, combining parametric and non-parametric models, was proposed. Because of the large sizes of finite element models of stators, the problem is treated in a component mode synthesis context. It amounts to carry out an approach reanalysis. In order to ensure a good compromise between reasonable calculation times and an acceptable precision, a generalized variant of the Combined Approximations method (VCA) has been introduced and adapted to component mode synthesis. The VCA method allows both a significant gain in computation time, comparing to an exact calculation, and a high robustness performance comparing to a standard reduction method or an improved method by static residual vectors
Kermouche, Guillaume. "Contribution à la modélisation théorique et numérique des essais d'indentation et de rayure". Lyon, 2005. http://www.theses.fr/2005ECDLA001.
Testo completoIndentation and scratch tests are non destructive local tests. Therefore they are very used to measure the local rheology of materials near the surface and to characterize the mechanical properties of interface. Despite their apparent simplicity, the theoretical mechanical analysis of the results obtained with such tests is very complex. The aim of this work is to improve our comprehension of these tests with the help of simplified analytical models and finite element modeling. The first part of this document is related to indentation testing. An approximate solution of the cone indentation of strain-hardening von Mises elastoplastic solids is proposed and checked with the help of finite element modeling. Time dependent solids, such as viscoelastic and elastic-viscoplastic solids, are then studied and the elastoplastic solution is extended to the case of Bingham-Norton elastic-viscoplastic materials. Finally, a nano-indentation identification method of mechanical properties of materials is proposed and applied to the mechanical characterization of glassy polymers. This method is then applied to PMMA. The second part of this document is related to scratch testing. A remeshing algorithm based on nodes repositioning has been specially developed for the finite element modeling of the scratch of coated and uncoated materials. This algorithm is then used to qualify the behavior of elastoplastic materials and time-dependent solids under scratching loading. These results are then applied to improve our comprehension of the impact-sliding wear of a stainless steel in nuclear reactor. Finally, a conclusion is brought discussing the use of finite element analysis to solve problems related to surface mechanics
Brara, Ahmed. "Étude expérimentale de la traction dynamique du béton par écaillage". Metz, 1999. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1999/Brara.Ahmed.SMZ9928.pdf.
Testo completoGuérin, Jean-Dominique. "Analyse des essais de compression et de traction des aciers après solidification in situ et des essais d'indentation des aciers phosphatés". Valenciennes, 1993. https://ged.uphf.fr/nuxeo/site/esupversions/b769f69b-4777-454d-94ad-c3bac6b6fab1.
Testo completoAlami, Jaafar el. "Recherche par des essais de traction lente des conditions de corrosion sous contrainte d'aciers faiblement allies". Paris, ENSAM, 1987. http://www.theses.fr/1987ENAM0006.
Testo completoAlami, Jaafar el. "Recherche par des essais de traction lente des conditions de corrosion sous contraintes d'aciers faiblement alliés". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376021720.
Testo completoWaltz, Laurent. "Comportement mécanique de structures multicouches obtenues par co-laminage de tôles nanostructurées : essais et simulation". Troyes, 2009. http://www.theses.fr/2009TROY0017.
Testo completoMany studies have shown that metallic materials with a grain size in the nanometer range exhibit enhanced physical, mechanical and chemical properties in comparison with their coarse grained counterparts. Several nanocristallisation techniques exploiting different physical principles have emerged. In this thesis, the surface nanocrystallisation technique SMAT has been used for the generation of nanocrystalline layers in 316L stainless steel and in pure copper. It has been shown that the SMA-Treatment achieves an unusual grain refinement in the surface layers of the treated materials, and leads to a considrable improvement of their mechanical behaviour. A new method has been proposed to increase the volume fraction of nanograins within the material, thus improving its mechanical strength. This so-called duplex process is a combination of the SMAT for the nanocrystallisation of the materials and the co-rolling process to produce a junction between the different sheets of a stack of MATed sheets. Thus, multilayer structures with increased volume fraction of nanograins and high mechanical strength are obtained. The corolled samples have been characterised through various mechanical tests and a careful microstructural study. A finite element model of a SMATed stainless steel has also been developed
Bollo-Kamara, Nicholas Odunola. "Étude de la mobilisation du frottement d'un géotextile sollicite en traction dans un milieu analogique bidimensionnel". Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0071.
Testo completoThis thesis contributes to the understanding of the mechanism (friction) governing the behaviour of fabrics (geotextiles) subjected to tensile forces. A review of existing literature on friction mobilisation at soil-geotextile interface as well as test methods (shear and pull out or extraction) with respect to the latter are presented. A theoretical analysis of the behaviour of geotextiles under extraction in non cohesive soils is arso resented. The resulting constitutive relationships provide the basis for the exploitation of the pull out tests carried out to determine the interface law parameters. The experimental study includes pull out tests in a bidimensional analogue model (SCHNEEBELI's cylindrical steel rollers), and friction tests using shear equipement for an eventual comparison with the extraction test results
Libri sul tema "Essais de traction. nanoindentation"
Nanoindentation of Natural Materials. Taylor & Francis Group, 2018.
Cerca il testo completoDey, Arjun, e Anoop Kumar Mukhopadhyay. Nanoindentation of Natural Materials: Hierarchical and Functionally Graded Microstructures. Taylor & Francis Group, 2018.
Cerca il testo completoDey, Arjun, e Anoop Kumar Mukhopadhyay. Nanoindentation of Natural Materials: Hierarchical and Functionally Graded Microstructures. Taylor & Francis Group, 2018.
Cerca il testo completoDey, Arjun, e Anoop Kumar Mukhopadhyay. Nanoindentation of Natural Materials: Hierarchical and Functionally Graded Microstructures. Taylor & Francis Group, 2018.
Cerca il testo completoCapitoli di libri sul tema "Essais de traction. nanoindentation"
Wu, Chenglin, Rui Huang e Kenneth M. Liechti. "Characterizing Traction-Separation Relations of TSV/SI Interfaces by Nanoindentation". In Micro and Nanomechanics, Volume 5, 41–46. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63405-0_7.
Testo completo