Literatura académica sobre el tema "Aciers anisotropes"
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Artículos de revistas sobre el tema "Aciers anisotropes"
Hajari, A. J., D. A. Yablonskiy, A. L. Sukstanskii, J. D. Quirk, M. S. Conradi y J. C. Woods. "Morphometric changes in the human pulmonary acinus during inflation". Journal of Applied Physiology 112, n.º 6 (15 de marzo de 2012): 937–43. http://dx.doi.org/10.1152/japplphysiol.00768.2011.
Texto completoFortineau, Julien, René Mathieu, Michel Foata y Bertrand Chassignole. "Développement d’un procédé automatisé pour le contrôle ultrasonore d’un matériau anisotrope hétérogène". e-journal of nondestructive testing 28, n.º 9 (septiembre de 2023). http://dx.doi.org/10.58286/28468.
Texto completoTesis sobre el tema "Aciers anisotropes"
Luu, Thang Trung. "Déchirure ductile des aciers à haute résistance pour gazoducs (X100)". Paris, ENMP, 2006. http://www.theses.fr/2006ENMP1414.
Texto completoThis study concerns the ductile tearing of high-strength pipeline steels (X100). The microstructure and the mechanical response of two plates and a pipe are studied. The microstructure of these materials is mainly ferritic-bainitic. The experimental program includes smooth, notched and cracked specimens. The smooth tensile tests conducted along three principal directions reveal a strong anisotropy plastic effect. The yield strength of the plate is lower than the required value for grade X100 which is obtained on the pipe after UOE forming process. Metallographic and fractographic observations indicate the nucleation of voids around calcium sulfide or titanium nitride particles. Two modes are observed for void coalescence~: internal necking and void-sheet mechanism. The effect of a pre-strain on tensile characteristics and fracture toughness is studied. The flat blanks are subjected to tensile deformation in a servohydraulic testing machine. Pre-strains of 1. 6%, 3. 6% and 5. 9% are imposed through this process. The yield strength and ultimate tensile strength increase with pre-straining. The experimental investigations demonstrate also a significant effect of pre-strain on fracture toughness and stable crack growth resistance. These parameters decrease with pre-straining. The dynamic ductile crack propagation on long distance is studied by an original experiment performed on wide-plates. This experiment allows us to reproduce crack growth rate as long as 20-40m/s. The localisation of deformation resulting in dynamic shear fracture is reproduced as observed in pipeline burst. The resistance to fast crack propagation is evaluated quantitatively by energy dissipation rate. Our tests confirm the advantage of ferritic-bainitic steels for the yield strength-toughness compromise. Ductile tearing of wide-plates was simulated using FE method. The simulations are based on an extension of Gurson-Tvergaard-Needleman model which includes the description of plastic anisotropy and void nucleation. A new anisotropic yield function recently developed for aluminium alloys is used. The parameters are adjusted on small specimens. The model is then used to simulate the ductile tearing on a wide-plate. Main characteristics of ductile tearing tests are reproduced~: the loading curve, the shape of crack front, the development of thickness reduction and the energy dissipation rate
Koss, Stefan. "Ecrouissage isotrope et anisotrope des aciers laminés soumis à de grandes déformations". Grenoble 1, 1992. http://www.theses.fr/1992GRE10101.
Texto completoShinohara, Yasuhiro. "Effet d'une pré-déformation sur l'endommagement anisotrope d'un acier pour pipeline de grade API X100". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2014. http://pastel.archives-ouvertes.fr/pastel-01073824.
Texto completoDevoye, Jean-Philippe. "Propagation du faisceau ultrasonore dans les soudures austénitiques anisotropes". Compiègne, 1994. http://www.theses.fr/1994COMPD742.
Texto completoSteckmeyer, Antonin. "Caractérisation et modélisation du comportement mécanique à haute température des aciers ferritiques renforcés par dispersion d'oxydes". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00819136.
Texto completoTankoua, Yinga Franck. "Transition ductile-fragile des aciers pour gazoducs : Étude quantitative des ruptures fragiles hors plan et corrélation à l’anisotropie de microtexture". Thesis, Paris, ENMP, 2015. http://www.theses.fr/2015ENMP0014/document.
Texto completoHigh toughness of pipeline steels at low temperature is required to avoid catastrophic propagation of brittle crack. The aim of the study is to improve physical understanding and quantitative assessment of the toughness behavior of hot-rolled pipeline steels, focusing on the lower part of the ductile to brittle transition temperature range.The impact toughness of these steels is commonly validated using drop weight tear tests (DWTT), on the basis of fracture surfaces that must exhibit less than 15% of brittle fracture appearance. In thermomechanical control processed steels, brittle out-of-plane cracks such as delamination (which propagates along the rolling plane), and brittle tilted fracture (BTF) along theta-planes (tilted around RD by 40° with respect to rolling plane), have been characterized in the ductile to brittle transition temperature range, for both industrial (DWTT) and laboratory Charpy impact tests. In both cases, as well as in fracture toughness tests, such brittle out-of-plane cracking has been shown to impair the impact toughness.The anisotropy in plastic flow and sensitivity to cleavage fracture has been characterized as a function of temperature, by using tensile tests on specifically designed smooth and notched specimens. From finite element mechanical analysis of these tests, critical cleavage stresses normal to the rolling plane and the theta-plane are considerably lower (around 25%) than for planes normal to the rolling and transverse directions.The anisotropy in critical cleavage stress has been quantitatively correlated to microtexture anisotropy. So-called “potential cleavage facets” have been defined and measured in this study, as regions with unfavorably oriented {100} planes, which are taken as unit crack paths for cleavage propagation. A sample containing 20% of potential cleavage facets had a critical cleavage stress 20% lower than a sample with only 10% of potential cleavage facets.The size and shape of these potential cleavage facets evolve during plastic deformation. Therefore, the critical cleavage stress was found to be affected by plastic strain history. In the case of delamination, potential cleavage facets along the rolling plane were elongated during loading, their area was increased and the corresponding critical cleavage stress decreased by around 30% with respect to the undeformed case. This made delamination cracking easier. Moreover, the presence of a ductile crack at the initiation site of delamination locally modified the stress state and also facilitated delamination occurrence. A criterion has been developed to numerically predict the onset of delamination in tensile and Charpy specimens.Application of this approach to heat-treated and to prestrained specimens eventually showed that it was possible to modify the sensitivity to delamination by strongly modifying the initial microtexture anisotropy
Boudon-Cussac, Dorothée. "De l'anisotropie des bétons renforces de fibres courtes en acier". Paris 6, 1996. http://www.theses.fr/1996PA066058.
Texto completoRajhi, Wajdi. "Anisotropie induite par l'endommagement ductile : mécanismes physiques, modélisation et simulation numérique". Thesis, Troyes, 2014. http://www.theses.fr/2014TROY0027/document.
Texto completoThe objective of this work is to develop a predictive modeling of behavior and ductile fracture of metallic materials with initial anisotropy and induced by the ductile anisotropic damage. Thermodynamics of irreversible processes is used as a framework for the proposed formulation. The model is anisotropic elastoplastic with non-linear isotropic and kinematic hardening under large plastic strains. It is formulated in the framework of the non-associative plasticity theory with associative normality rule and based on quadratic equivalent stress. The anisotropic ductile damage is described by a symmetric second-rank tensor whose evolution is described by Lemaitre /Desmorat type relationships. The strong damage-behavior coupling is done under the assumption of total energy equivalence where the effect of the anisotropic damage is introduced by a fourth-rank symmetric damage-effect tensor of Murakami kind.After an experimental characterization of the main physical mechanisms of anisotropic damage in stainless steel AISI 316L, the behavior model with damage has been identified. Once discretized and implemented in the computer code ABAQUS / Explicit ®, a parametric study and many numerical simulations of anisotropic damage in some metal forming processes have been carried out and discussed in detail
Gardey, Benoit. "Caractérisation multi-échelle du comportement plastique en grandes déformations à froid d'aciers à très haute limite d'élasticité dual phase et TRIP". Paris 13, 2005. http://www.theses.fr/2005PA132015.
Texto completoGenevois, Pierre. "Etude expérimentale et modélisation du comportement plastique anisotrope de tôles d'acier en grandes transformations". Grenoble INPG, 1992. http://www.theses.fr/1992INPG0055.
Texto completoCapítulos de libros sobre el tema "Aciers anisotropes"
Hogan, Michael, Johnny Wang y R. H. Austin. "Triplet Anisotropy Decay Measurements of DNA Internal Motion". En Ciba Foundation Symposium 93 - Mobility and Function in Proteins and Nucleic Acids, 226–45. Chichester, UK: John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470720752.ch13.
Texto completoRÉGLÉ, Hélène y Brigitte BACROIX. "Anisotropie et propriétés mécaniques". En Le développement des aciers à très haute résistance, 53–78. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9122.ch2.
Texto completoJones, Matthew R., Robert J. Macfarlane, Byeongdu Lee, Jian Zhang, Kaylie L. Young, Andrew J. Senesi y Chad A. Mirkin. "DNA-Nanoparticle Superlattices Formed from Anisotropic Building Blocks*". En Spherical Nucleic Acids, 601–13. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056690-10.
Texto completoO’Brien, Matthew N., Matthew R. Jones, Byeongdu Lee y Chad A. Mirkin. "Anisotropic Nanoparticle Complementarity in DNA-Mediated Co-crystallization*". En Spherical Nucleic Acids, 615–32. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056690-11.
Texto completoJones, Matthew R., Robert J. Macfarlane, Byeongdu Lee, Jian Zhang, Kaylie L. Young, Andrew J. Senesi y Chad A. Mirkin. "DNA-Nanoparticle Superlattices Formed from Anisotropic Building Blocks*". En Spherical Nucleic Acids, 601–13. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056690-31.
Texto completoO’Brien, Matthew N., Matthew R. Jones, Byeongdu Lee y Chad A. Mirkin. "Anisotropic Nanoparticle Complementarity in DNA-Mediated Co-crystallization*". En Spherical Nucleic Acids, 615–32. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056690-32.
Texto completoSeo, Soyoung E., Martin Girard, Monica Olvera de la Cruz y Chad A. Mirkin. "Nonequilibrium Anisotropic Colloidal Single-Crystal Growth with DNA*". En Spherical Nucleic Acids, 1017–32. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056706-58.
Texto completoSeo, Soyoung E., Martin Girard, Monica Olvera de la Cruz y Chad A. Mirkin. "Nonequilibrium Anisotropic Colloidal Single-Crystal Growth with DNA*". En Spherical Nucleic Acids, 1017–32. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.1201/9781003056706-6.
Texto completoJones, Matthew R., Robert J. Macfarlane, Byeongdu Lee, Jian Zhang, Kaylie L. Young, Andrew J. Senesi y Chad A. Mirkin. "DNA-Nanoparticle Superlattices Formed from Anisotropic Building Blocks*". En Spherical Nucleic Acids, 601–13. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.4324/9780429200151-31.
Texto completoO’Brien, Matthew N., Matthew R. Jones, Byeongdu Lee y Chad A. Mirkin. "Anisotropic Nanoparticle Complementarity in DNA-Mediated Co-crystallization*". En Spherical Nucleic Acids, 615–32. Jenny Stanford Publishing, 2020. http://dx.doi.org/10.4324/9780429200151-32.
Texto completoActas de conferencias sobre el tema "Aciers anisotropes"
Laws, William R., J. B. Alexander Ross, Panayotis G. Katsoyannis y Herman R. Wyssbrod. "Time-Resolved Fluorometry of the Aromatic Amino Acids". En Free-Electron Laser Applications in the Ultraviolet. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/fel.1988.fa4.
Texto completoWang, Zhifeng, Xiaomao Li y Yandong Tang. "An Improved Anisotropic Diffusion PDE for Noise Removal and Edge Preservation". En Eighth ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing (SNPD 2007). IEEE, 2007. http://dx.doi.org/10.1109/snpd.2007.260.
Texto completoPeshcherenko, Aleksandra, Mikhail Anisimov y Dimitry Chuprakov. "Effective Modeling of Stimulation and Production Decline From Tight Naturally Fractured Carbonate Reservoirs". En SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212681-ms.
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