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Maria Asuncion Valiente Bermejo

Universitetslektor

Staff member at Division of Welding Technology.

Conducts research in engineering and technology, production technology.


Link to news article about me and my recent reserach.


Publications


A New Approach to the Study of Multi-Pass Welds–Microstructure and Properties of Welded 20-mm-Thick Superduplex Stainless Steel

Published

A New Approach to the Study of Multi-Pass Welds–Microstructure and Properties of Welded 20-mm-Thick Superduplex Stainless Steel

Type 2507 superduplex stainless steel 20 mm in thickness was multi-pass-welded with Gas Metal Arc Welding (GMAW) and Flux-Cored Arc Welding (FCAW)...

Computational thermodynamics in ferrite content prediction of austenitic stainless steel weldments

Published

Computational thermodynamics in ferrite content prediction of austenitic stainless steel weldments

In this paper, four computational approaches using Thermo-Calc and DICTRA have been used to calculate the ferrite content of a set of austenitic...

Teaching Welding with a Flipped Classroom Approach

Published

Teaching Welding with a Flipped Classroom Approach

Wire-arc additive manufacturing of a duplex stainless steel : thermal cycle analysis and microstructure characterization

Published

Wire-arc additive manufacturing of a duplex stainless steel : thermal cycle analysis and microstructure characterization

The evolution of microstructures with thermal cycles was studied for wire-arc additive manufacturing of duplex stainless steel blocks. To produce...

Influence of multiple thermal cycles on microstructure of heat-affected zone in TIG-welded super duplex stainless steel

Published

Influence of multiple thermal cycles on microstructure of heat-affected zone in TIG-welded super duplex stainless steel

The influence of heat input and multiple welding cycles on the microstructure of the heat-affected zone in autogenously TIG-welded 6 mm 2507 type...

Influenza del gas di protezione sul comportamento e le proprietà  di giunti sa dati di acciai duplex e superduplex : Effect of shielding gas on welding performance and properties of duplex and superduplex stainless steel welds

Published

Influenza del gas di protezione sul comportamento e le proprietà  di giunti sa dati di acciai duplex e superduplex : Effect of shielding gas on welding performance and properties of duplex and superduplex stainless steel welds

The influence of shielding gases on welding performance and on properties of duplex and superduplex stainless steel welds was studied. Using argon ...

Monitoring Thermal Cycles in Multi-pass Welding

Published

Monitoring Thermal Cycles in Multi-pass Welding

Differently from any previous investigation in welding, this research work presents a novel development that allows temperature to be measured and...

Effect of shielding gas on welding performance and properties of duplex and superduplex stainless steel welds

Published

Effect of shielding gas on welding performance and properties of duplex and superduplex stainless steel welds

The influence of shielding gases on welding performanceand on properties of duplex and superduplex stainlesssteel welds was studied. Using argon as...

Effect of welding position on properties of duplex and superduplex stainless steel circumferential welds

Published

Effect of welding position on properties of duplex and superduplex stainless steel circumferential welds

The influence of welding position on properties ofduplex and superduplex stainless steel welds was studied. Circumferential pipe welds were produce...

Guia de les escultures de Mollet del Vallès : Metalls, tècniques i curiositats

Published

Guia de les escultures de Mollet del Vallès : Metalls, tècniques i curiositats

This publication presents a comprehensive study on the current 35 metal artwork pieces located in public spaces of Mollet del Vallès. The sculpture...

Relevance and limitations of arc furnace casting in welding research

Published

Relevance and limitations of arc furnace casting in welding research

The arc furnace melting technique is widely used for positive material identification in the industry of welding consumable manufacturing. It is al...

Towards a Map of Solidification Cracking Risk in Laser Welding of Austenitic Stainless Steels

Published

Towards a Map of Solidification Cracking Risk in Laser Welding of Austenitic Stainless Steels

In this work, two series of specimens with Hammar and Svensson's Cr- and Ni-equivalents (Creq+Nieq) = 35 and 45 wt% were used to cover a wide range...

Optimising Quality and Productivity in Welding of Duplex and Superduplex Stainless Steels

Published

Optimising Quality and Productivity in Welding of Duplex and Superduplex Stainless Steels

The aim of this work was to study the influence of shielding gases and welding positions on properties of duplex and superduplex stainless steel...

Influence of low energy laser welding on solidification and microstructure of austenitic stainless steel welds

Published

Influence of low energy laser welding on solidification and microstructure of austenitic stainless steel welds

Primary austenitic solidification is related to increased hot cracking susceptibility in welding of austenitic stainless steels. It is also...