Ara es mostren els items 21-40 de 102

    • 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
      Accés obert
      Metastable 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
      Accés restringit per política de l'editorial
      Advanced 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
      Accés obert
      The 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
      Accés restringit per política de l'editorial
      The 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 ...
    • Development of a highly efficient extrinsic and autonomous self-healing polymeric system at low and ultra-low temperatures for high-performance applications 

      Romero Sabat, Guillem; Gago Benedí, Elena; Roa Rovira, Joan Josep; González Gálvez, David; Mateo García, Antonio Manuel; Medel, Sandra; Tolentino Chivite, Ainhoa (2021-06-01)
      Article
      Accés obert
      There is a growing demand of self-healing materials to overcome the costs derived from repairing and substituting pieces and components due continuous damages. Among the pursued strategies, the development of self-healing ...
    • Duplex stainless steels for thermal energy storage: characterization of oxide scales formed in carbonate salts at 500 °C 

      Morales Comas, Miguel; Gordón, S.; García Marro, Fernando; Mateo García, Antonio Manuel; Llanes Pitarch, Luis Miguel; Fargas Ribas, Gemma (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-15)
      Article
      Accés obert
      Next generation concentrated solar power (CSP) plants promise a higher operating temperature and better efficiency. However, new issues related to the corrosion against protection of the construction alloys need to be ...
    • 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
      Accés obert
      Cyclic 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
      Accés restringit per política de l'editorial
      Plastic 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Plastic 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 laser surface texturing on Schmid factor and plastic deformation mechanisms on AISI 301LN steel 

      Rezayat, Mohammad; Roa Rovira, Joan Josep; Mateo García, Antonio Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2023-10-23)
      Article
      Accés obert
      In this comprehensive study, the multifaceted impact of laser surface texturing (LST) on AISI 301LN stainless steel is explored. Changes in the microstructure, mechanical properties, and grain characteristics are examined. ...
    • Effect of lateral laser-cladding process on the corrosion performance of Inconel 625 

      Rezayat, Mohammad; Sani, Amirhossein Aboutorabi; Talafi Noghani, Mohammad; Yazdi, Morteza Saghafi; Taheri, Morteza; Moghanian, Imam; Mohammadi, Mohammad Abedini; Mateo García, Antonio Manuel; Besharatloo, Hossein (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-11)
      Article
      Accés obert
      This study aimed to evaluate the corrosion properties of different samples coated by the laser-cladding method to find the optimal laser parameters. Thereby, potentiodynamic polarization (Tafel) and electrochemical impedance ...
    • Effect of shot peening on metastable austenitic stainless steels 

      Fargas Ribas, Gemma; Roa Rovira, Joan Josep; Mateo García, Antonio Manuel (2015-08-12)
      Article
      Accés obert
      In 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
      Accés restringit per política de l'editorial
      Duplex 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
      Accés obert
      La 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 ...
    • Enhancing the corrosion resistance of 2205 duplex stainless steel in molten carbonate salts by laser-surface texturing 

      Morales Comas, Miguel; Rezayat, Mohammad; Mateo García, Antonio Manuel (Elsevier, 2024-02)
      Article
      Accés restringit per política de l'editorial
      Next-generation concentrated solar power (CSP) technology needs to work at high temperatures to increase its power generation efficiency. It represents overcoming some issues for the structural materials, such as corrosion ...
    • 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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Los 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 ...
    • Evaluación mecánica mediante técnicas de indentación de soldaduras por fricción lineal en aleaciones de titanio 

      Corzo Rueda, M. Clemencia; Casals, O.; Alcalá Cabrelles, Jorge; Mateo García, Antonio Manuel; Anglada Gomila, Marcos Juan (2005-11)
      Article
      Accés obert
      Este artículo presenta los resultados de un proyecto cuyo objetivo es evaluar la integridad estructural de soldaduras por fricción lineal entre diferentes aleaciones de titanio de aplicación aeronáutica. Concretamente se ...
    • Evaluation of the bulk and alpha-case layer properties in Ti-6Al-4V at micro- and nano-metric length scale 

      Sefer, Birhan; Roa Rovira, Joan Josep; Mateo García, Antonio Manuel; Pederson, Robert; Antti, Marta-Lena (WILEY, 2016)
      Capítol de llibre
      Accés restringit per política de l'editorial
      In the present study the hardness of individual alpha ( )-Ti grains in Ti-6Al-4V was measured by nanoindentation using Berkovich tip indenter. Additionally, alpha-case layer was induced by performing isothermal heat ...
    • Experimental correlation of mechanical properties of the Ti-6Al-4V alloy at different length scales 

      Tuninetti, Víctor; Jaramillo, Andrés F.; Riu Perdrix, Guiomar; Mateo García, Antonio Manuel; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-07)
      Article
      Accés obert
      This article focuses on a systematic study of a Ti-6Al-4V alloy in order to extensively characterize the main mechanical properties at the macro-, micro- and submicrometric length scale under different stress fields. ...
    • Exploring the effects of laser surface modification on AISI 301LN steel: a micro-mechanical study 

      Rezayat, Mohammad; Mateo García, Antonio Manuel; Roa Rovira, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2023-10-26)
      Article
      Accés obert
      This article investigates the surface hardening capability of a metastable austenitic TRansformation Induced Plasticity (TRIP) stainless steel, particularly on AISI 301LN, by laser texturing. This technology produces ...