• Influence of printing parameters and short carbon fibre reinforcement on fatigue behaviour, dimensional accuracy and macrogeometrical deviations of polylactic acid in material extrusion 

  Bermudo-Gamboa, Carolina; Martín-Béjar, Sergio; Trujillo-Vilches, Francisco Javier; Sevilla-Hurtado, Lorenzo (Elsevier, 2023-09)

  This paper evaluates the potential of short carbon fibres as a reinforcement material in order to improve the fatigue resistance of PLA. The fatigue behaviour has been analysed through rotational bending fatigue tests. The ...

• Experimental methodology for the integrated online monitoring in the dry machining of light alloys 

  Herrera-Fernández, Manuel José; Trujillo-Vilches, Francisco Javier; Martín-Béjar, Sergio; Bermudo-Gamboa, Carolina; Sevilla-Hurtado, Lorenzo (2023)

  Machining is one of the most used manufacturing processes for components in the aeronautical and automotive industry. Usually, these parts have very demanding quality requirements. One of the main problems in improving ...

• Fatigue behavior analysis in reinforced PLA parts manufactured by FDM 

  Bermudo-Gamboa, Carolina; Martín-Béjar, Sergio; Trujillo-Vilches, Francisco Javier; Herrera Sánchez, Manuel; Sevilla-Hurtado, Lorenzo (2023)

  Fused Material Deposition Modelling (FDM) is one of the most extensive 3D printing processes. However, its integration and application to structural parts remain limited to some extent, due to the polymeric materials that ...

• Preliminary evaluation of a multipass strategy in abrasive waterjet machining of an alloy UNS A92024. 

  Bañón-García, Fermín; Gómez Parra, Álvaro; Sambruno, Alejandro; Mayuet, Pedro Francisco (2023)

  Abrasive waterjet cutting is a valuable method for removing material without causing thermal damage, making it suitable for machining materials of different thicknesses and minimising waste. However, machining thicker ...

• Laser profilometry application in welding geometrical characterization. 

  Martín-Béjar, Sergio; Cañero-Nieto, Juan Miguel; Solano-Martos, José Francisco; Sevilla-Hurtado, Lorenzo (2023)

  Welding processes are commonly used in the industry for the manufacture of large parts or due to their complex geometry that does not allow the part to be manufactured as a whole. Nevertheless, the union can show worst ...

• Guide for the implementation of operational control procedures in underwater cutting and welding activities. 

  Solano-Martos, José Francisco; Martín-Béjar, Sergio; Cañero-Nieto, Juan Miguel; Sevilla-Hurtado, Lorenzo (2023)

  Professional diving is an occupation that includes a wide spectrum of different activities, but with the same common denominator: its performance underwater. It is carried out in both fresh and salt waters and encompasses ...

• Use of artificial neural networks in the evaluation of geometrical deviations in the dry machining of the UNS A97075 (AL-ZN) alloy.. 

  Trujillo Vilches, Francisco Javier; Martín-Béjar, Sergio; Andersson, Tobias; Herrera-Fernández, Manuel José; Sevilla-Hurtado, Lorenzo (2023)

  In this work, an analysis of the cutting parameters influence on macro and micro geometric deviations of dry machined UNS A97075 (Al-Zn) alloy has been carried out. Specifically, the cutting speed and feed rate influence ...

• Thermal Measurements based on Image Processing for In-Situ Monitoring of 3D Fused Filament Fabrication (FFF). 

  Cañero-Nieto, Juan Miguel; De Luque Toro, Críspulo Enrique; Solano-Martos, José Francisco; Díaz Bolaño, Idanis Beatriz; Campo Campo, Rafael José (2023)

  Nowadays new applications based on the 3D printing technique demand increasingly strict product quality requirements. The in-situ monitoring of variables associated with the manufacturing process through the application ...

• The Influence of Tool Geometry on the Mechanical Properties and the Microstructure of AA6061-T6 Aluminum Alloy Friction Stir Spot Welding. 

  Alkhafaji, Amir; Camas-Peña, Daniel; López-Crespo, Pablo; Al-Asadi, Hayder (MDPI, 2023-06-01)

  In this work, the influence of the tool geometry on friction stir spot welding (FSSW) was studied on sheets made of AA6061-T6 aluminum alloy. Four different AISI H13 tools with simple cylindrical and conical pin profiles ...

• Fatigue crack growth behaviour of selective laser-melted 18NI300 manufactured at 0º, 45º and 90º to perpendicular crack growth plane 

  Moreno Cerezo, Pablo; Aguilera-García, José Antonio; García-González, Antonio Luis; Moore, Steven; Wheatley, Greg; López-Crespo, Pablo[et al.] (2023-04)

  The use of selective laser melting (SLM) as a method of additive manufacturing (AM) of valuable objects has a promising future. Maraging steel is a widely used material due to its excellent qualities in AM, so it is ...

• Analysis of fatigue strain fields with synchrotron x-ray diffraction and 3d numerical computation. 

  Aguilera-García, José Antonio; Kelleher, Joseph F.; López-Crespo, Pablo; García-González, Antonio Luis; Moreno Cerezo, Pablo (2023)

  When designing lightweight materials, engineers prioritise resource preservation but often encounter issues with fatigue. Various experimental methods exist to study fatigue cracks; nevertheless, transmission photo-elasticity ...

• Study of Abrasive Water Jet Machining as a Texturing Operation for Thin Aluminium Alloy UNS A92024 

  Bañón-García, Fermín; Sambruno, Alejandro; Mayuet, Pedro Francisco; Gómez Parra, Álvaro (MDPI, 2023-05-19)

  Surface modification of metallic alloys can create hydrophilic or hydrophobic surfaces that enhance the functional performance of the material. For example, hydrophilic surfaces have improved wettability, which improves ...

• Geometrical analysis in material extrusion process with polylactic acid (PLA)1carbon fiber. 

  Bermudo-Gamboa, Carolina; Martin-Bejar, Sergio; Trujillo-Vilches, Francisco Javier; Sevilla-Hurtado, Lorenzo (Emerald, 2022-12-22)

  Purpose: The purpose of this study is to cover the influence of selected printing parameters at a macro and micro-geometrical level, focusing on the dimensions, geometry and surface of printed parts with short carbon ...

• Energy-based critical plane fatigue methods applied to additively manufactured 18Ni300 steel 

  Cruces, A.S.; Branco, Ricardo; Borrego, L.P.; López-Crespo, Pablo (Elsevier, 2023)

  In this work, the uniaxial and biaxial fatigue behaviour of maraging steel (18Ni300) obtained by additive manufacturing was studied. The material was evaluated using several biaxial load paths and different load levels. ...

• Numerical model characterization of the sound transmission mechanism in the tympanic membrane from a high-speed digital holographic experiment in transient regime 

  García-Manrique-Ocaña, José Manuel; Furlong, Cosme; González-Herrera, Antonio; Cheng, Jeffrey T. (Elsevier, 2023)

  A methodology for the development of a finite element numerical model of the tympanic membrane (TM) based on experiments carried out in the time domain on a cadaveric human temporal bone is presented. Using a high-speed ...

• Metodología para identificar las propiedades mecánicas de la membrana basada en ensayos no destructivos 

  Lima-Rodriguez, Antonia Maria (UMA Editorial, 2023-03-30)

  Los materiales delgados tipo film están presentes en multitud de problemas ingenieriles. Entre los campos en los que se puede destacar su uso se encuentran: el de los instrumentos musicales, que utilizan un material de ...

• Nueva ley de crecimiento de grietas por fatiga basada en la función de distribución de Gumbel: aplicación a la aleación Ti-6Al-4V 

  Moreno, B.; Cruces, A.S.; Camas-Peña, Daniel; López-Crespo, Pablo (2023)

  La caracterización del crecimiento de grietas por fatiga continúa siendo un tema de interés en la evaluación de la integridad estructural de componentes mecánicos. Desde la década de 1960, se han desarrollado numerosos ...

• Analysis of the Effect of the Surface Inclination Angle on the Roughness of Polymeric Parts Obtained with Fused Filament Fabrication Technology 

  Martín-Fernández, Francisco de Sales; Martin-Sanchez, Maria Jesus (IOAP-MDPI, 2023-01-23)

  The aim of this work was to conduct a dimensional study, in terms of microgeometry, using parts from an additive manufacturing process with fused filament fabrication (FFF) technology. As in most cases of additive manufacturing ...

• Analysis of the Effect of the Surface Inclination Angle on the Roughness of Polymeric Parts Obtained with Fused Filament Fabrication Technology 

  Martín-Fernández, Francisco de Sales; Martin-Sanchez, Maria Jesus (2023-01-23)

  The aim of this work was to conduct a dimensional study, in terms of microgeometry, using parts from an additive manufacturing process with fused filament fabrication (FFF) technology. As in most cases of additive manufacturing ...

• Fatigue crack characterisation in 2024-T351 aluminium alloy through SEM observation combined with the CJP model 

  Robles, J.M.; Vasco-Olmo, J.M.; Cruces, A.S.; Díaz, Francisco A.; James, Neil; López-Crespo, Pablo[et al.] (Elsevier, 2023-01)

  This work characterises crack growth in AA2024-T315 by combining different methods to further increase the reliability of the results. The Christopher-James-Patterson (CJP) model was fitted to experimental data obtained ...

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