Now showing items 1-10 of 10

    • Analysis of fatigue and wear behaviour in ultrafine grained connecting rods 

      Luri Irigoyen, Rodrigo Upna; Luis Pérez, Carmelo Upna; León Iriarte, Javier Upna; Fuertes Bonel, Juan Pablo Upna; Salcedo Pérez, Daniel Upna; Puertas Arbizu, Iñaki Upna (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      Over the last few years there has been an increasing interest in the study and development of processes that make it possible to obtain ultra-fine grained materials. Although there exists a large number of published works ...
    • Analysis on the manufacturing of an AA5083 straight blade previously ECAE processed 

      Salcedo Pérez, Daniel Upna; Luis Pérez, Carmelo Upna; Puertas Arbizu, Ignacio Upna; León Iriarte, Javier Upna; Fuertes Bonel, Juan Pablo Upna; Luri Irigoyen, Rodrigo Upna (Hindawi, 2013)   Artículo / Artikulua  OpenAccess
      Over these past few years, there have been a large number of technical papers published related to the problem of improving the mechanical properties of materials obtained through severe plastic deformation. Nevertheless, ...
    • Design and mechanical properties analysis of AA5083 ultrafine grained cams 

      Salcedo Pérez, Daniel Upna; Luis Pérez, Carmelo Upna; Luri Irigoyen, Rodrigo Upna; Puertas Arbizu, Iñaki Upna; León Iriarte, Javier Upna; Fuertes Bonel, Juan Pablo Upna (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      This present research work deals with the development of ultrafine grained cams obtained from previously ECAP (Equal Channel Angular Pressing)-processed material and manufactured by isothermal forging. The design and the ...
    • Design, optimization, and mechanical property analysis of a submicrometric aluminium alloy connecting rod 

      Fuertes Bonel, Juan Pablo Upna; León Iriarte, Javier Upna; Luis Pérez, Carmelo Upna; Salcedo Pérez, Daniel Upna; Puertas Arbizu, Iñaki Upna; Luri Irigoyen, Rodrigo Upna (Hindawi, 2015)   Artículo / Artikulua  OpenAccess
      Ultrafine grained materials have a great deal of both scientific and technological interest because they allow outstanding properties to be obtained. An improvement in the mechanical strength and in the ductility and a ...
    • Design, simulation and manufacturing of a connecting rod from ultra-fine grained material and isothermal forging 

      Fuertes Bonel, Juan Pablo Upna; Luis Pérez, Carmelo Upna; Luri Irigoyen, Rodrigo Upna; Salcedo Pérez, Daniel Upna; León Iriarte, Javier Upna; Puertas Arbizu, Iñaki Upna (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      In this research work, a study on the mechanical properties of isothermal forging for connecting rods is made from previously ECAP (Equal Channel Angular Pressing)-processed AA1050 and AA5083 aluminium alloys. This severe ...
    • Development of nanostructured AA3103 by equal channel angular pressing and thermal treatments 

      Luis Pérez, Carmelo Upna; Luri Irigoyen, Rodrigo Upna; León Iriarte, Javier Upna; Puertas Arbizu, Ignacio Upna; Salcedo Pérez, Daniel Upna; Pérez Ruiz, Iván (Hindawi, 2014)   Artículo / Artikulua  OpenAccess
      This work presents a study related to the achievement of a nanometric structure in AA3103, employing severe plastic deformation processes (SPD), in this case equal channel angular pressing (ECAP). The changes in the ...
    • Experimental modelling of critical damage obtained in Al-Mg and Al-Mn alloys for both annealed state and previously deformed by ECAP 

      Luri Irigoyen, Rodrigo Upna; Fuertes Bonel, Juan Pablo Upna; Luis Pérez, Carmelo Upna; Salcedo Pérez, Daniel Upna; Puertas Arbizu, Iñaki Upna; León Iriarte, Javier Upna (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Assessing the damage produced in plastic deformation processes permits the optimum manner to shape a material that could avoid any cracks from appearing. In this present research work, the absolute critical damage in ...
    • Manufacturing of nanostructured rings from previously ECAE-processed AA5083 alloy by isothermal forging 

      Luis Pérez, Carmelo Upna; Salcedo Pérez, Daniel Upna; León Iriarte, Javier Upna; Puertas Arbizu, Ignacio Upna; Fuertes Bonel, Juan Pablo Upna; Luri Irigoyen, Rodrigo Upna (Hindawi, 2013)   Artículo / Artikulua  OpenAccess
      The manufacturing of a functional hollow mechanical element or ring of the AA5083 alloy previously equal channel angular extrusion (ECAE) processed, which presents a submicrometric microstructure, is dealt with. For this ...
    • Mechanical properties analysis of an Al-Mg alloy connecting rod with submicrometric structure 

      León Iriarte, Javier Upna; Salcedo Pérez, Daniel Upna; Murillo Crespo, Óscar; Luis Pérez, Carmelo Upna; Fuertes Bonel, Juan Pablo Upna; Puertas Arbizu, Iñaki Upna; Luri Irigoyen, Rodrigo Upna (MDPI, 2015)   Artículo / Artikulua  OpenAccess
      Over these last few years, there has been a growing interest in developing mechanical components from submicrometric materials due to the significant improvement that these materials present compared to their original ...
    • A proposal of a constitutive description for aluminium alloys in both cold and hot working 

      León Iriarte, Javier Upna; Luis Pérez, Carmelo Upna; Fuertes Bonel, Juan Pablo Upna; Puertas Arbizu, Iñaki Upna; Luri Irigoyen, Rodrigo Upna; Salcedo Pérez, Daniel Upna (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      The most important difficulties when the behaviour of a part that is subjected to external mechanical forces is simulated deal with the determination of both the material thermo-mechanical properties and its boundary ...