Browsing by Subject "Acer d'alta resistència"
Now showing items 1-20 of 35
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A constitutive model for the anelastic behavior of Advanced High Strength Steels
(CIMNE, 2015)
Conference report
Open AccessIn this work a physically based model describing the anelastic behaviour and nonlinear unloading in Advanced High Strength Steels (AHSS) is proposed. The model is fitted to the experimental data obtained from uni-axial ... -
A fracture mechanics approach to develop high crash resistant microstructures by press hardening
(2017)
Conference report
Open AccessCrashworthiness is a relevant engineering property for car parts. However it is not easy to measure at laboratory scale and complex impact tests have to be carried out to determine it. Crash re-sistance for high strength ... -
A simple physically-based Zerilli-Armstrong constitutive equation for modeling and prediction of hot deformation flow curves
(2016-03)
Article
Open AccessGenerally, the dislocation-mechanics-based constitutive relations are applicable at high strain rates and relatively low temperatures. However, for expressing flow stress at elevated temperatures, it is required to account ... -
Applying new blow-forming processes to obtain new structural components for automotiva industry: A-pillar
(2011)
Conference lecture
Open AccessThe aim of this project is to determine the technical viability of the bodywork manufacturing process using the blow-forming technology. Specifically, the blow-forming technology has been studied to be applied to manufacture ... -
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 ... -
Caracteristicas de la deformacion en caliente de aceros TWIP
(2012)
Conference report
Open Access -
Desarrollo de aleaciones TWIP por molienda mecánica
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Restricted access - author's decisionEn este trabajo fin de grado se han intentado conseguir piezas de acero de composición TWIP (TWinning induced plasticity) a partir de polvo de acero de esta misma composición. El objetivo principal es conseguir un acero ... -
Determination of the critical parameters for the onset of dynamic recrystallization (DRX) in advanced ultrahigh strength steels (A-UHSS) microalloyed with boron
(2012)
Article
Open AccessIn 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 ... -
Determination of the essential work of fracture at high strain rates
(2017)
Conference report
Open AccessDuring the last decades, the use of ultra-high strength steel (UHSS) has increased as its favorable ratio between strength and mass allows the design of lighter body-in-white while maintaining passenger safety. Modeling ... -
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 microalloying elements (Nb, V and Ti) on the hot flow behavior of high-Mn austenitic twinning induced plasticity (TWIP) steel
(2013)
Article
Restricted access - publisher's policyThis 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 ... -
Effect of Nb and Mo on the hot ductility behavior of a high-manganese austenitic Fe-21Mn-1.3Al-1.5Si-0.5C TWIP steel
(2014-10-20)
Article
Restricted access - publisher's policyThis research work studies the influence of single microalloying elements (Nb and Mo) and the solidification route on the hot ductility behavior of a high-manganese austenitic Twinning Induced Plasticity (TWIP) steel. For ... -
Effect of sandblasting on low and high-cycle fatigue behaviour after mechanical cutting of a twinning-induced plasticity steel
(2018)
Conference report
Open AccessIn the last years, car bodies are increasingly made with new advanced high-strength steels, for both lightweighting and safety purposes. Among these new steels, high-manganese or TWIP steels exhibit a promising combination ... -
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 ... -
Evaluation of essential work of fracture in a dual phase high strength steel sheet
(2013-01)
Article
Open AccessLa tenacidad de fractura de aceros de alta resistencia (AHSS), es una propiedad interesante para optimizar el com- portamiento a impacto, pero su caracterización experimental en chapas metálicas es compleja debido a su ... -
Fracture mechanics based modelling of failure in advanced high strength steels
(2017)
Conference report
Open AccessIn the last decade, the favorable properties of the press hardening process for advanced high strength steel (AHSS) have increased the demands concerning passenger safety and lightweight design. AHSS show excellent mechanical ... -
Fracture toughness to understand stretch-flangeability and edge cracking resistance in AHSS
(2016-10-20)
Article
Open AccessThe edge fracture is considered as a high risk for automotive parts, especially for parts made of advanced high strength steels (AHSS). The limited ductility of AHSS makes them more sensitive to the edge damage. The ... -
High cycle fatigue of ARMCO iron severely deformed by ECAP
(2017-01-10)
Article
Open AccessThe high-cycle fatigue behavior of ARMCO iron severely deformed by Equal Channel Angular Pressing (ECAP) at room temperature through route Bc until 8 passes, with an average grain size of ~365 nm, was studied and compared ... -
In-situ strengthening of a high strength low alloy steel during Wire and Arc Additive Manufacturing (WAAM)
(Elsevier, 2020-08)
Article
Open AccessIn this work, SiC particles were added to the molten pool during WAAM of a high strength low alloy steel. The introduction of these high melting point particles promoted grain refinement, and the precipitation of Fe3C due ...
