Exploració per tema "Steel"
Ara es mostren els items 21-40 de 132
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Comparison of different hypoeutectoidic steels after various coarse grain annealing processes
(Universitat Politècnica de Catalunya, 2010-03-05)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Hochschule DarmstadtThe aim of this study is to demonstrate the validity or invalidity of the equation of diffusion of Hollomon and Jaffe or Larson Miller. To do this, we will use 4 steels with different carbon contents and varying the ... -
Comportament a flexió de les lloses mixtes convencionals acer-formigó en fase constructiva
(Universitat Politècnica de Catalunya, 2019-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEn aquest document s’estudia el comportament en fase constructiva d’una xapa nervada d’acer per a lloses mixtes d’acer-formigó. S’explica de manera detallada com s’ha caracteritzat la resistència a la combinació de ... -
Comportamiento de elementos estructurales de acero frente a incendio. Análisis de la Normativa
(Universitat Politècnica de Catalunya, 2007-11-13)
Tesina
Accés obertEn esta tesina se estudian los efectos sobre las capacidadews resistentes de la estructura metálica causados por un incremento de temperaturas. Para ello se realiza primero un análisis normativo, estableciendo diferencias ... -
Comportamiento estructural de vigas de acero inoxidable ferrítico frente a cargas concentradas
(Universitat Politècnica de Catalunya, 2011-06-30)
Tesina
Accés obertLos elementos de acero conformados en frío son muy útiles dado su elevado ratio de resistencia/peso en comparación con otros materiales estructurales. Generalmente son elementos con valores elevados en ratios como ... -
Computational simulation of thermo-mechanical field and fluid flow and their effect on the solidification process in TWIP steel welds
(Elsevier, 2022-12-01)
Article
Accés obertThe primary austenitic solidification mode of Twinning Induced Plasticity (TWIP) steel weld joints is one of the most important issues limiting its weldability. In order to gain knowledge on this topic, a comprehensive ... -
Constitutive modeling of hot deformation of carbon steels in the intercritical zone
(2022-01-01)
Article
Accés obertA previous constitutive modeling for single-phase steels is extended using the mixing law to predict the behavior of hot deformation in the dual phase ferritic-austenitic intercritical zone of Fe-C-Mn-Si alloys. Mixing law ... -
Contact Fatigue Behavior of PVD-Coated Steel
(2009)
Article
Accés restringit per política de l'editorialIn this study, the contact fatigue behavior of a PVD TiN coating deposited onto DIN 1.2379 coldwork tool steel is assessed by cyclic spherical indentation. Experimental characterization focuses on the evaluation of ... -
Corrosion behavior and microstructural characterization of friction stir welded API X70 steel
(2021-08)
Article
Accés obertFriction stir welding (FSW) is an excellent alternative process used in pipelines circumferential welds due to fusion welded joint low corrosion resistance. This study describes the corrosion resistance as a function of ... -
Criterios de predicción de inestabilidades plásticas en procesos de conformado en caliente. Parte II, Caracterización de la fluencia plástica de un acero microaleado de medio carbono usando criterios continuos y fenomenológicos
(2010-03-01)
Article
Accés obertEn l'estudi dels processos de conformat en calent és molt important conèixer la interacció entre el comportament microestructural i els paràmetres de control del procés de deformació, tals com temperatura, velocitat de ... -
Critical strain for dynamic recrystallisation. The particular case of steel
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-01)
Article
Accés obertThe knowledge of the flow behavior of metallic alloys subjected to hot forming operations has particular interest for metallurgists in the practice of industrial forming processes involving high temperatures (e.g., rolling, ... -
Description of stress-strain curves for stainless steel alloys
(2015-12-15)
Article
Accés obertThere is a wide variety of stainless steel alloys, but all are characterized by a rounded stress-strain response with no sharply defined yield point. This behaviour can be represented analytically by different material ... -
Determination of the critical parameters for the onset of dynamic recrystallization (DRX) in advanced ultrahigh strength steels (A-UHSS) microalloyed with boron
(2012)
Article
Accés obertIn this research work, the double differentiation mathematical method was used to identify more accurately the criti- cal stress ሺ ߪ ) and critical strain ሺ ߝ ) associated with the onset of dynamic ... -
Diseño de estructuras metálicas esbeltas susceptibles de pandear. Definición de la imperfección geométrica
(Universitat Politècnica de Catalunya. CIMNE, 2015)
Article
Accés obertEl objeto del presente artículo es presentar una propuesta para comprobar la resistencia a pandeo de las estructuras metálicas de entramados, con la que se completa el método propuesto en la norma EN 1993-1-1. La idea es ... -
Diseño de un chasis de kart para la categoría CIK-FIA KZ2
(Universitat Politècnica de Catalunya, 2021-06-29)
Treball Final de Grau
Accés restringit per decisió de l'autorLa categoría CIK-FIA KZ2 es una de las joyas de la corona del karting, un deporte que cada vez toma más fuerza, dado a que muchos de los que han pasado por aquí han acabado en categorías reinas como la Fórmula 1. En este ... -
Disseny d'un sistema de pesatge en continu per a semi-productes a la indústria de l'acer
(Universitat Politècnica de Catalunya, 2021-01-28)
Treball Final de Grau
Accés obertEl present projecte es fonamenta en la proposta de realitzar un sistema de mesura de la massa de peces de grans dimensions que s’obtenen mitjançant una colada continua a la indústria siderúrgica. Una necessitat creixent ... -
Dry machinability analyses between free cutting, resulfurized, and carbon steels
(2020-02-26)
Article
Accés obertFree cutting steels, also referred to as free machining steels, include free cutting additives to improve tool life and machinability. Despite their wide applications in industry, scarce information is available to ensure ... -
Ductility and plasticity of ferritic-pearlitic steel after severe plastic deformation
(2021-02-23)
Article
Accés obertA ferritic-pearlitic steel was subjected to severe plastic deformation (SPD) through Equal Channel Angular Pressing (ECAP) at room temperature, obtaining strengths greater than 1 GPa. Steel constituents were identified by ... -
Effect of liquid aluminium alloy and ultrasound to corrosion resistance of PVD coating
(Universitat Politècnica de Catalunya, 2017-01)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor
Realitzat a/amb: Università degli Studi di BresciaThe aim of the project is resolve the corrosion problems of a steel bar, coating them and study if the coating affects the vibration needed to delate the dendrites of the aluminium alloy due to obtain a globular structure. ... -
Effect of Manganese during the stabilization of austenite in Quench and Partitioning (Q&P) Steels
(2019)
Text en actes de congrés
Accés obertNowadays, automobile emissions are one of the leading causes of air contamination. In this regard, the weight reduction of the vehicles structures and parts is vital, while the passenger’s safety is the first issue. ... -
Effect of microalloying elements (Nb, V and Ti) on the hot flow behavior of high-Mn austenitic twinning induced plasticity (TWIP) steel
(2013)
Article
Accés restringit per política de l'editorialThis research work studies the effect of microalloying elements such as Nb, V and Ti on the hot flow behavior of high-Mn austenitic TWIP steel. For this purpose, isothermal uniaxial hot compression tests were carried out ...