Browsing by Subject "Acer -- Tractament tèrmic"
Now showing items 1-17 of 17
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Avaluació del comportament en calent i evolució microestructural d’un acer TWIP
(Universitat Politècnica de Catalunya, 2011-08)
Master thesis (pre-Bologna period)
Restricted access - author's decisionAquest document és un Projecte Final de Carrera d’Enginyeria de Materials i és un estudi del comportament en calent d’un acer austenític d’alt contingut en manganès, englobat dins dels denominats acers avançats d’alta ... -
Effect of boron on the hot ductility behavior of a low carbon advanced ultra-high strength steel (A-UHSS)
(2013-11)
Article
Restricted access - publisher's policyThis research work studied the effect of boron additions (14, 33, 82, 126, and 214 ppm) on the hot ductility behavior of a low carbon advanced ultra-high strength steel. For this purpose, specimens were subjected to a hot ... -
Effect of heat treatment and hot working on the microstructural characteristics of TWIP steels
(Universitat Politècnica de Catalunya, 2011-02)
Master thesis (pre-Bologna period)
Open AccessAustenitic twinning-induced plasticity (TWIP) steels, which rely on high manganese (Mn) contents, provide great potential in applications for structural components in the automotive industry. These steels exhibit an ... -
Effect of Ti and B microadditions on the hot ductility behavior of a high-Mn austenitic Fe-23Mn-1.5Al-1.3Si-0.5C TWIP steel
(2015-11)
Article
Open AccessThis research work studies the effect of combined Ti and B microadditions and the solidification route on the hot ductility behavior of a high-Mn austenitic Twinning Induced Plasticity (TWIP) steel. For this purpose, ... -
Effect of V on Hot Deformation Characteristics of TWIP Steels
(2012-04)
Article
Restricted access - publisher's policyTwinning induced plasticity (TWIP) steels, which rely on high Mn contents to promote twinning as the deformation mechanism, exhibit high ultimate strengths together with outstanding combinations of ultimate strength and ... -
Fatiga isotérmica de aceros para herramientas de trabajo en caliente
(2011-06-20)
Article
Open AccessEl trabajo reportado en este artículo forma parte de un proyecto de investigación en el cual se tratan de desarrollar aceros de herramientas para conformado en caliente con prestaciones optimizadas. Para ello se comenzó ... -
Hot deformation behavior, dynamic recrystallization, and physically-based constitutive modeling of plain carbon steels
(2015-04)
Article
Open AccessThe high-temperature deformation behaviors of low and medium carbon steels with respectively 0.06 and 0.5 wt% C were investigated under strain rate and temperature ranges of 10-4–10-1 s-1 and of 900–1100 °C. Three types ... -
Influence of grain refinement method on mechanical behavior and texture of TWIP steels
(2016-08-25)
Article
Restricted access - publisher's policyAustenitic high-Mn (15%-30%) steels showing twinning-induced plasticity (TWIP) provide great potential in applications for structural components in the automotive industry, owing to their excellent tensile strength-ductility ... -
Modeling and prediction of hot deformation flow curves
(2012-01)
Article
Restricted access - publisher's policyThe modeling of hot flow stress and prediction of flow curves for unseen deformation conditions are important in metal-forming processes because any feasible mathematical simulation needs accurate flow description. In ... -
Optimización del temple mediante la simulación por FEM de tratamientos térmicos alternativos
(Universitat Politècnica de Catalunya, 2015-11)
Bachelor thesis
Open AccessEl presente proyecto se ha realizado en colaboración con la empresa Comforsa, (Comercial de la forja, S.A.), para la pieza de código 2349699 de acero forjado y alta resistencia a al abrasión y que se encuentra en las orugas ... -
Phase transformation under thermal fatigue of high Mn-TWIP steel: Microstructure and mechanical properties
(2016-11-20)
Article
Open AccessHigh Mn steels present both high tensile strength and good ductility, therefore they have attracted attention as promising candidates for the next-generation of automotive steels. However, slight changes during the ... -
Propiedades mecánicas de aceros de 0,3% de carbono con grano ultrafino obtenidos por molienda mecánica
(Universitat Politècnica de Catalunya, 2009-10)
Master thesis (pre-Bologna period)
Open AccessEste proyecto de final de carrera estudia la influencia del tratamiento térmico (T.T.) en el comportamiento a tracción de un acero de bajo contenido en carbono (0,3% en peso) y grano ultra fino. Las probetas han sido ... -
Propiedades mecánicas de aceros TWIP nanoestructurados
(Universitat Politècnica de Catalunya, 2018-02)
Master thesis
Open AccessEn este trabajo se estudia las propiedades mecánicas de piezas obtenidas por compactación y sinterización de polvos de acero. Se trata de una aleación de composición Fe-22Mn-1,5Si-1,5Al-0,4C, un tipo de acero que se llama ... -
Simulacíon y validación de un tratamiento térmico de un acero
(Universitat Politècnica de Catalunya, 2015-06)
Master thesis
Open Access -
Study of the mechanical properties of low carbon content HSLA steels
(Centro Nacional de Investigaciones Metalúrgicas (CSIC), 2009)
Article
Open AccessTwo high strength low alloy steels (HSLA) with the same bulk composition and slight microalloying content differences were studied. The main purpose of the study was to determine the effect of different heat treatments ... -
The effects of bimodal grain size distributions on the work hardening behavior of a TRansformation-TWinning induced plasticity steel
(2016-12-15)
Article
Open AccessThe effects of bimodal grain size distributions on the mechanical properties of a newly developed TRansformation-TWinning induced plasticity (TRIP/TWIP) steel were investigated. The microstructures with different levels ... -
Thermal treatment effects on high-Mn TWIP steels
(Universitat Politècnica de Catalunya, 2014-12-05)
Master thesis
Open AccessThis master thesis is going to study and investigate the thermal treatment’s effects on the high Mn-TWIP steels. In order to get these aims some factors can be studied, such microstructures and mechanical properties of ...
