Instituto de Física Rosario
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Publications with the keyword "dislocations %28crystals%29"

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L. Spadaro, S. Hereñú, R. Strubbia, G. G. Rosas, R. Bolmaro, and C. R. González
Effects of laser shock processing and shot peening on 253 MA austenitic stainless steel and their consequences on fatigue properties
Optics and Laser Technology (cited By 1), 122, 2020
austenitic stainless steel coatings dislocations (crystals) hardness microstructure residual stresses shot peening compressive residual stress dislocation microstructures fatigue performance laser shock peening laser shock processing low cycle fatigue life low cycle fatigues near-surface microstructures fatigue of materials
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J. Muñoz, O. Higuera, J. Benito, D. Bradai, T. Khelfa, R. Bolmaro, J. J. A.M., and J. Cabrera
Analysis of the micro and substructural evolution during severe plastic deformation of ARMCO iron and consequences in mechanical properties
Materials Science and Engineering A (cited By 9), 740741, 108-120, 2019
backscattering density (specific gravity) dislocations (crystals) dynamic recrystallization grain size shape high resolution transmission electron microscopy iron plastic deformation tensile strength transmission electron microscopy continuous dynamic recrystallization electron backscattering diffraction geometrically necessary dislocations grain size mis-orientation severe plastic deformations substructure x ray diffraction line profile analysis mechanical properties
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J. Muñoz
Geometrically Necessary Dislocations (GNDs) in iron processed by Equal Channel Angular Pressing (ECAP)
Materials Letters (cited By 2), 238, 42-45, 2019
backscattering crystal microstructure crystallization diffraction dislocations (crystals) high resolution transmission electron microscopy iron microstructure pressing (forming) transmission electron microscopy dislocation densities ecap electron back scatter diffraction geometrically necessary dislocations transmission microscopy equal channel angular pressing
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J. Muñoz, O. Higuera, V. Tartalini, P. Risso, M. Avalos, and R. Bolmaro
Equal channel angular sheet extrusion (ECASE) as a precursor of heterogeneity in an AA6063-T6 alloy
International Journal of Advanced Manufacturing Technology (cited By 3), 102(912), 3459-3471, 2019
angular distribution dislocations (crystals) extrusion grain boundaries grain size shape metal testing strain tensile strength tensile testing textures x rays ebsd equal channel angular geometrically necessary dislocations heterogeneous microstructure high angle grain boundaries material heterogeneity micro-structural characteristics randomly distributed aluminum alloys
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R. Strubbia, M. Sennour, and S. Hereñú
Effect of 475°C embrittlement on the low cycle fatigue behaviour of lean duplex stainless steels
Fatigue and Fracture of Engineering Materials and Structures (cited By 3), 41(2), 473-482, 2018
dislocations (crystals) embrittlement fatigue of materials high resolution transmission electron microscopy stainless steel transmission electron microscopy dislocation microstructures dislocation structures duplex stainless steel lean duplex stainless steel low cycle fatigue life low cycle fatigues thermal embrittlement vickers microhardness spinodal decomposition
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J. Muñoz, O. Higuera, A. Expósito, A. Boulaajaj, R. Bolmaro, F. Dumitru, P. Calvillo, J. J. A.M., et al.
Thermal stability of ARMCO iron processed by ECAP
International Journal of Advanced Manufacturing Technology (cited By 5), 98(912), 2917-2932, 2018
activation energy annealing differential scanning calorimetry dislocations (crystals) grain boundaries grain growth iron pressing (forming) thermodynamic stability armco iron energy contribution low angle grain boundaries offset temperature stored energy tensile response true strain equal channel angular pressing
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J. Muñoz, M. Avalos, and R. Bolmaro
Heterogeneity of strain path, texture and microstructure evolution of AA6063-T6 processed by Equal Channel Angular Sheet Extrusion (ECASE)
Journal of Alloys and Compounds (cited By 8), 768, 349-357, 2018
aluminum aluminum alloys backscattering dislocations (crystals) extrusion strain textures x ray powder diffraction electron backscattering diffraction equal channel angular geometrically necessary dislocations grain size heterogeneous microstructure micro-structure evolutions texture microstructures texture evolutions microstructure
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N. D. Vincentis, M. Avalos, E. Benatti, A. Kliauga, H.-G. Brokmeier, and R. Bolmaro
XRD and EBSD analysis of anisotropic microstructure development in cold rolled F138 stainless steel
Materials Characterization (cited By 3), 123, 137-152, 2017
anisotropy austenitic stainless steel backscattering cold rolling crystal orientation deformation dislocations (crystals) electron diffraction metal cladding microstructure steel sheet x ray diffraction anisotropic microstructures boundary misorientations deformation microstructure different analysis techniques dislocation densities electron back scatter diffraction micro-structural characteristics orientation dependence stainless steel
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O. Lambri, G. Cuello, G. Zelada-Lambri, P. Bozzano, and J. García
Dislocations and point defects in neutron irradiated single crystalline Mo at elevated temperatures
Journal of Physics: Conference Series (cited By 0), 325(1), 2011
agglomeration defects differential thermal analysis dislocations (crystals) high resolution transmission electron microscopy point defects single crystals thermoanalysis transmission electron microscopy dynamical equilibrium elevated temperature mechanical spectroscopy mobility of dislocations neutron irradiated single-crystalline neutron scattering
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M. Giordana, I. Alvarez-Armas, M. Sauzay, and A. Armas
Mechanical behaviour and microstructure evolution of eurofer97 during low-cycle fatigue at room temperature and 550°C
Key Engineering Materials (cited By 11), 465, 358-361, 2011
dislocations (crystals) friction hysteresis hysteresis loops martensitic stainless steel strain thermal fatigue cyclic behaviour cyclic softening low cycle fatigues mechanical behaviour micro-structure evolutions power-law functions strain-controlled tempered martensite steel testing
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P. Evrard, I. Alvarez-Armas, V. Aubin, and S. Degallaix
Polycrystalline modeling of the cyclic hardening/softening behavior of an austenitic-ferritic stainless steel
Mechanics of Materials (cited By 15), 42(4), 395-404, 2010
cyclic softening dislocation densities dislocation structures duplex stainless steel polycrystalline austenite computer simulation corrosion resistant alloys dislocations (crystals) ferrite ferritic steel hardening hysteresis hysteresis loops single crystals stabilization structures (built objects) stainless steel
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M. Serenelli, M. Bertinetti, and J. Signorelli
Investigation of the dislocation slip assumption on formability of BCC sheet metals
International Journal of Mechanical Sciences (cited By 27), 52(12), 1723-1734, 2010
bcc material biaxial tensions bulge tests crystallographic slip deformation modes dislocation slip forming limit diagrams forming limits lattice rotations limit strains local curvature numerical results right-hand sides scale models slip system uniaxial stress visco-plastic self-consistent viscoplastic models yield loci yield surface dislocations (crystals) forming low carbon steel steel sheet textures slip forming
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J. Malarría, F. Lovey, and M. Sade
Two way shape memory effect in CuZnAl single crystals after pseudoelastic cycling at low temperatures
Materials Science and Engineering A (cited By 15), 517(12), 118-124, 2009
aluminum alloys copper alloys diffusion dislocations (crystals) elasticity martensite shape memory effect ternary alloys zinc alloys cuznal dislocation generation effect of dislocations low temperatures martensitic transitions pseudoelasticity shape memory behavior two way shape memory effect single crystals
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C. Matteo, O. Lambri, G. Zelada-Lambri, P. Sorichetti, and J. García
Analysis of internal friction peaks in high purity molybdenum by a viscoelastic procedure independent of the relaxation strength
Solid State Phenomena (cited By 0), 137, 49-58, 2008
damping dislocations (crystals) distribution functions internal friction vacancies viscoelasticity coupled mechanisms damping peaks diffusion of vacancies internal friction peak linear viscoelastic relaxation strength single-crystalline temperature range molybdenum
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I. Alvarez-Armas, M. Marinelli, J. Malarría, S. Degallaix, and A. Armas
Microstructure associated with crack initiation during low-cycle fatigue in a low nitrogen duplex stainless steel
International Journal of Fatigue (cited By 36), 29(4), 758-764, 2007
crack initiation dislocations (crystals) fatigue of materials nucleation stainless steel transmission electron microscopy crack nucleation low-cycle fatigue phase boundary microstructure
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O. Lambri, M. Massot, W. Riehemann, E. Lucioni, F. Plazaola, and J. García
The role of vacancies in the mobility of dislocations and grain boundaries in magnesium
Physica Status Solidi (A) Applications and Materials Science (cited By 12), 204(4), 1077-1092, 2007
damping peak mechanical spectroscopy vacancy role damping dislocations (crystals) electric conductivity grain boundaries positron annihilation spectroscopy supersaturation vacancies magnesium
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G. Zelada-Lambri, O. Lambri, and J. García
Mechanical energy losses due to the movement of dislocations in molybdenum at high temperatures (0.3Tm)
Journal of Nuclear Materials (cited By 15), 353(12), 127-134, 2006
activation energy annealing crystal orientation damping dislocations (crystals) energy dissipation high temperature effects oscillations plastic deformation a0700 d0200 d0400 damping peak damping values m0300 m0700 molybdenum
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R. Bolmaro, J. Signorelli, H.-G. Brokmeier, A. Armas, S. Hereñú, and I. Alvarez-Armas
Cyclic softening mechanisms of Zry-4 at room temperature: The unlikely influence of texture variations
Scripta Materialia (cited By 7), 51(6), 617-621, 2004
crystal orientation dislocations (crystals) hardness testing microstructure problem solving stress analysis textures x ray diffraction cyclic softening low cycle fatigue micro mechanical modeling orientation distribution functions (odf) zirconium compounds
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A. Armas, S. Hereñú, R. Bolmaro, and I. Alvarez-Armas
Cyclic softening mechanisms of Zircaloy-4
Journal of Nuclear Materials (cited By 17), 326(23), 195-200, 2004
crystallization deformation dislocations (crystals) free energy friction heat treatment hysteresis microstructure nuclear fuels strain stresses transmission electron microscopy x ray diffraction analysis hysteresis loops interstitial contents zirconium alloys
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A. Armas, C. Petersen, R. Schmitt, M. Avalos, and I. Alvarez
Cyclic instability of martensite laths in reduced activation ferritic/martensitic steels
Journal of Nuclear Materials (cited By 41), 329333(13), 252-256, 2004
activation analysis dislocations (crystals) fatigue testing lathes nuclear instrumentation quenching strain tempering tool steel transmission electron microscopy cyclic instability low cycle fatigue (lcf) martensite laths reduced activation ferritic martensitic (rafm) steels wave forms martensite
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I. Alvarez-Armas and S. Hereñú
Influence of dynamic strain aging on the dislocation structure developed in Zircaloy-4 during low-cycle fatigue
Journal of Nuclear Materials (cited By 12), 334(23), 180-188, 2004
aging of materials dislocations (crystals) fatigue of materials fatigue testing microstructure slip forming strain dynamic strain dynamic strain aging (dsa) low cycle fatigue zirconium alloys
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L. Gómez, A. Dobry, C. Geuting, H. Diep, and L. Burakovsky
Dislocation lines as the precursor of the melting of crystalline solids observed in Monte Carlo simulations
Physical Review Letters (cited By 62), 90(9), 095701/1-095701/4, 2003
boundary conditions computer simulation dislocations (crystals) equations of state melting microscopic examination monte carlo methods surface structure thermal effects crystalline solids face centered cubic crystalline materials
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J. Malarría, M. Sade, and F. Lovey
Microstructural evolution in the pseudoelastic cycling of Cu-Zn-Al single crystals: Behaviour at a transition stage
Materials Science and Engineering A (cited By 13), 308(12), 88-100, 2001
crystal microstructure dislocations (crystals) martensitic transformations point defects single crystals thermal effects transmission electron microscopy microstructural evolution pseudoelastic cycling copper alloys martensite
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O. Lambri, E. Bulejes, P. Gorria, and R. Tinivella
Mechanical spectroscopy study in commercial grain oriented silicon steel
Journal of Materials Science (cited By 9), 35(1), 79-85, 2000
crystal orientation damping dislocations (crystals) elastic moduli grain boundaries spectroscopy grain oriented silicon steel (goss) mechanical spectroscopy silicon steel
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R. Bolmaro, A. Fourty, A. Roatta, M. Bertinetti, P. Turner, and J. Signorelli
New approach to crystal spin calculation during deformation texture development
Scripta Materialia (cited By 18), 43(6), 553-559, 2000
anisotropy computer simulation crystal lattices crystal orientation dislocations (crystals) elasticity finite element method grain boundaries grain size shape single crystals strain textures crystal anisotropy crystal spin calculation inhomogeneous deformation polycrystalline materials
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J. D. Valle, A. Picasso, I. Alvarez, and R. Romero
Age-hardening behavior of Inconel X-750 superalloy
Scripta Materialia (cited By 17), 41(3), 237-243, 1999
age hardening crystal microstructure dislocations (crystals) lattice constants metallographic microstructure particle size analysis shear stress stacking faults stress analysis superalloys tensile testing transmission electron microscopy critical resolved shear stress (crss) misfit hardening theories nickel alloy inconel x-750 order hardening theories nickel alloys
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C. Tomé, N. Christodoulou, P. Turner, M. Miller, C. Woo, J. Root, and T. Holden
Role of internal stresses in the transient of irradiation growth of Zircaloy-2
Journal of Nuclear Materials (cited By 42), 227(3), 237-250, 1996
creep dislocations (crystals) growth (materials) residual stresses single crystals irradiation growth zirconium alloys
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B. Molinas, O. Lambri, and M. Weller
Study of non-linear effects related to the snoek-köster relaxation in Nb
Journal of Alloys and Compounds (cited By 20), 211212, 181-184, 1994
atoms crystals damping dislocations (crystals) doping (additives) internal friction oscillations oxygen relaxation processes specimen preparation interstitial foreign atoms inverted torsion pendulum kink pair generation nonlinear effects screw dislocation snoek koster relaxation niobium
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