Browsing by Author "Fargas Ribas, Gemma"
Now showing items 1-20 of 52
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Assessment of corrosion-induced changes on the mechanical integrity of cemented carbides at small length scales
Zheng, Y.F.; Fargas Ribas, Gemma; Besharatloo, H.; Serra, Marco; Roa Rovira, Joan Josep; Armelín Diggroc, Elaine Aparecida; Lavigne, Olivier; Llanes Pitarch, Luis Miguel (2019-11-01)
Article
Restricted access - publisher's policyIn this work, the effect of corrosion-induced damage on the mechanical response of hardmetals was evaluated at small length-scale by means of nanoindentation and nanoscratch techniques. Damage was introduced in a controlled ... -
Comportamiento a fractura de aceros metaestables
Mateo García, Antonio Manuel; Gutierrez, D.; Lara, A.; Zapata Dederle, Ana Cristina; Rodríguez Calvillo, Pablo; Fargas Ribas, Gemma; Calvo Muñoz, Jessica; Casellas Padró, Daniel (2012)
Article
Open Access -
Correlation between microstructure and mechanical properties before and after reversion of metastable austenitic stainless steels
Fargas Ribas, Gemma; Zapata, Ana; Roa Rovira, Joan Josep; Sapezanskaia, Ina; Mateo García, Antonio Manuel (2015)
Article
Open AccessReversion treatments are a way to improve the mechanical response of metastable austenitic stainless steels by means of grain refinement. To effectively apply those treatments, the steel must be previously deformed to ... -
Corrosion damage in WC-Co cemented carbides: residual strength assessment and 3D FIB-FESEM tomography characterisation
Tarragó Cifre, Jose María; Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Felip, Alba; Isern, Lluis; Coureaux Mustelier, David; Roa Rovira, Joan Josep; Al-Dawery, Ihsan; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2014-12-01)
Article
Restricted access - publisher's policyThe effect of corrosion damage on cemented carbides was investigated. The study included residual strength assessment and detailed fractographic inspection of corroded specimens as well as detailed 3D FIB-FESEM tomography ... -
Corrosion damage in WC-Co cemented carbides: Residual strength assessment and 3D FIB-FESEM tomography characterization
Tarragó Cifre, Jose María; Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Felip, Alba; Isern, Lluis; Coureaux Mustelier, David; Al-Dawery, Ihsan; Roa Rovira, Joan Josep; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2014)
Conference report
Open AccessThe effect of corrosion damage on cemented carbides was investigated. The study included residual strength assessment and detailed fractographic inspection of corroded specimens as well as detailed 3D FIB-FESEM tomography ... -
Corrosion-induced damage and residual strength of WC-Co,Ni cemented carbides: influence of microstructure and corrosion medium
Zheng, Yafeng; Fargas Ribas, Gemma; Armelín Diggroc, Elaine Aparecida; Lavigne, Olivier; Llanes Pitarch, Luis Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-19)
Article
Open AccessThe corrosion behavior of cemented carbides with binders of different chemical nature (Co and Ni) and carbides with distinct mean grain size (ultrafine and coarse) was studied. The investigation also included corrosion ... -
Deformation mechanism induced under high cycle fatigue test in a metaestable austenitic stainless steel
Roa Rovira, Joan Josep; Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Mateo García, Antonio Manuel (2014)
Article
Restricted access - publisher's policyAdvanced techniques were used to study the deformation mechanisms induced by fatigue tests in a metastable austenitic stainless steel AISI 301LN. Observations by Atomic Force Microscopy were carried out to study the evolution ... -
Deformation mechanisms induced by nanoindentation tests on a metastable austenitic stainless steel: a FIB/SIM investigation
Sapezanskaia, Ina; Roa Rovira, Joan Josep; Fargas Ribas, Gemma; Turón Viñas, Miquel; Trifonov, T.; Kouitat Njiwa, R.; Redjaïmia, A.; Mateo García, Antonio Manuel (2017-09)
Article
Open AccessMetastable austenitic stainless steels are materials that can undergo austenite to martensite phase transformation when subjected to deformation and thus they represent a multiphase material with interesting mechanical ... -
Deformation mechanisms induced under high cycle fatigue tests in a metastable austenitic stainless steel
Roa Rovira, Joan Josep; Fargas Ribas, Gemma; Jiménez Piqué, Emilio; Mateo García, Antonio Manuel (2014)
Article
Restricted access - publisher's policyAdvanced techniques were used to study the deformation mechanisms induced by fatigue tests in a metastable austenitic stainless steel AISI 301LN. Observations by Atomic Force Microscopy were carried out to study the evolution ... -
Deformation of polycrystalline TRIP stainless steel micropillars
Roa Rovira, Joan Josep; Wheeler, J.M.; Trifonov, T.; Fargas Ribas, Gemma; Mateo García, Antonio Manuel; Michler, J; Jiménez Piqué, Emilio (2015)
Article
Open AccessThe deformation mechanisms of the metastable austenite phase of a transformation induced plasticity (TRIP) stainless steel, AISI 301LN, have been investigated by compression of multicrystalline micropillars of different ... -
Dependence of nanoindentation hardness with crystallographic orientation of austenite grains in metastable stainless steels
Roa Rovira, Joan Josep; Fargas Ribas, Gemma; Mateo García, Antonio Manuel; Jiménez Piqué, Emilio (2015-10-01)
Article
Restricted access - publisher's policyThe mechanical behaviour of a metastable austenitic stainless steel has been studied by means of nanoindentation of individual grains. Hardness, elastic modulus and estimation of wear resistance were determined as a function ... -
Dynamic deformation of metastable austenitic stainless steels at the nanometric length scale
Roa Rovira, Joan Josep; Sapezanskaia, Ina; Fargas Ribas, Gemma; Kouiat, R.; Redjaïmia, Abdelkrim; Mateo García, Antonio Manuel (2018-09-17)
Article
Open AccessCyclic indentation was used to evaluate the dynamic deformation on metastable steels, particularly in an austenitic stainless steel, AISI 301LN. In this work, cyclic nanoindentation experiments were carried out and the ... -
Effect of cold rolling on the high cycle fatigue
Zapata Dederle, Ana Cristina; Fargas Ribas, Gemma; Mateo García, Antonio Manuel (2011-04-06)
Article
Restricted access - publisher's policyPlastic deformation can induce the austenite transformation to martensite in metastable austenitic stainless steels. To analyze this issue, a metastable austenitic stainless steel grade AISI 301 LN was studied in two ... -
Effect of cold rolling on the high cycle fatigue behaviour of and ANSI 301 LN stainless steel
Zapata Dederle, Ana Cristina; Fargas Ribas, Gemma; Mateo García, Antonio Manuel (2011)
Conference report
Restricted access - publisher's policyPlastic deformation can induce the austenite transformation to martensite in metastable austenitic stainless steels. To analyze this issue, a metastable austenitic stainless steel grade AISI 301 LN was studied in two ... -
Effect of corrosion-induced damage on microstructure and residual strenght of WC-Co,Ni cemented carbide
Zheng, Y.F.; Fargas Ribas, Gemma; Armelín Diggroc, Elaine Aparecida; Llanes Pitarch, Luis Miguel (2018)
Conference lecture
Open Access -
Effect of shot peening on metastable austenitic stainless steels
Fargas Ribas, Gemma; Roa Rovira, Joan Josep; Mateo García, Antonio Manuel (2015-08-12)
Article
Open AccessIn this work, shot peening was performed in a metastable austenitic stainless steel EN 1.4318 (AISI 301LN) in order to evaluate its effect on austenite to martensite phase transformation and also the influence on the fatigue ... -
Effect of thermal treatments on the wear behaviour of duplex stainless steels
Fargas Ribas, Gemma; Mestra Rodríguez, Álvaro Miguel; Anglada Gomila, Marcos Juan; Mateo García, Antonio Manuel (2009-11-04)
Article
Restricted access - publisher's policyDuplex stainless steel (DSS) is a family of steels characterized by two-phase microstructure with similar percentages of ferrite (α) and austenite (y).Their attractive combination of mechanical properties and corrosion ... -
Empirical expression for the prediction of penetration in butt joints for duplex stainless steel SAF 2205
Dorta Almenara, Minerva; Vidal, Jorge; Mateo García, Antonio Manuel; Fargas Ribas, Gemma; Camejo, Franklin (2011-10)
Article
Open AccessLa presente investigación muestra dos modelos empíricos que permiten predecir la geometría del cordón de soldadura a tope de un acero inoxidable dúplex tipo 2205. Para obtener dichos modelos se empleó una metodología que ... -
Estudio del efecto del límite de grano en los mecanismos de deformación de los aceros TRIP mediante compresión de micropilares
Roa Rovira, Joan Josep; Wheeler, J.M.; Fargas Ribas, Gemma; Mateo García, Antonio Manuel (2017)
Conference lecture
Restricted access - publisher's policyLos aceros TRIP (Transformation-Induced Plasticity) se caracterizan por presentar transformación de fase de austenita a martensita por deformación, hecho que les confiere una mayor capacidad de endurecimiento que los aceros ... -
Fatigue propagation of long cracks in metastable austenitic stainless steels
Martelo, D.F.; Mateo García, Antonio Manuel; Fargas Ribas, Gemma; Chapetti, M.D. (2013)
Conference report
Open AccessFatigue crack growth of a metastable austenitic stainless steel was investigated in thin specimen under positive stress ratio. Annealed and Co l d rolled conditions were used to test the influence of the microstructure. ...