Zerrendatu honen arabera: egilea "dbbafe32f9f0a46c14af95c821e44d44"
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3D Bioprinted Hydroxyapatite or Graphene Oxide Containing Nanocellulose-Based Scaffolds for Bone Regeneration
Zabala, Alaitz (Wiley, 2022)Bone tissue is usually damaged after big traumas, tumors, and increasing aging-related diseases such as osteoporosis and osteoarthritis. Current treatments are based on implanting grafts, which are shown to have several ... -
An ad-hoc fretting wear tribotester design for thin steel wires
Llavori, Inigo; Zabala, Alaitz; Tato, Wilson; Aginagalde, Andrea; Gómez Rodríguez, Xabier (EDP Sciences, 2018)Steel wire ropes experience fretting wear damage when the rope runs over a sheave promoting an oscillatory motion between the wires. Consequently, wear scars appear between the contacting wires leading to an ... -
Bactericidal Surfaces: An Emerging 21st Century Ultra-Precision Manufacturing and Materials Puzzle
Zabala, Alaitz; Llavori, Inigo; Larrañaga Altuna, Mikel (AIP Publishing, 2021)Progress made by materials scientists in recent years has greatly helped the field of ultra-precision manufacturing. Ranging from healthcare to electronics components, phenomena such as twinning, dislocation nucleation, ... -
Ball-on-flat linear reciprocating tests: Critical assessment of wear volume determination methods and suggested improvements for ASTM D7755 standard
Ayerdi, Jon; Aginagalde, Andrea; Llavori, Inigo; Zabala, Alaitz (Elsevier B.V., 2021)This work presents a critical assessment of wear volume determination methods for ball-on-flat linear reciprocating sliding tribological tests. It revealed that the ASTM D7755-11 standard leads to the highest relative ... -
Benchmarking of spectral methods for fatigue assessment of mooring systems and dynamic cables in offshore renewable energy technologies
Martinez-Puente, Eguzkiñe; Zarketa-Astigarraga, Ander; Martinez Agirre, Manex; Zabala, Alaitz; Esnaola, Jon Ander; Llavori, Inigo; Penalba, Markel (Elsevier, 2024)Fatigue life estimation methods based on time-domain and rainflow counting techniques are widely recognised and accepted for their reliability. However, applying them in scenarios involving random loads with multiple ... -
Chondroitin and Dermatan Sulfate Bioinks for 3D Bioprinting and Cartilage Regeneration
Zabala, Alaitz (Wiley, 2022)Cartilage is a connective tissue which a limited capacity for healing and repairing. In this context, osteoarthritis (OA) disease may be developed with high prevalence in which the use of scaffolds may be a promising ... -
Contact pressure and sliding velocity ranges in sheet metal forming simulations
Cillaurren Arriaga, Joseba; GALDOS, Lander; Sanchez Palomar, Mario; Zabala, Alaitz; Sáenz de Argandoña, Eneko; Mendiguren, Joseba (2021)In the last few years many efforts have been carried out in order to better understand what the real contact between material and tools is. Based on the better understanding new friction models have been developed which ... -
A coupled 3D wear and fatigue numerical procedure: Application to fretting problems in ultra-high strength steel wires
Llavori, Inigo; Zabala, Alaitz; Mendiguren, Joseba; Gómez Rodríguez, Xabier (Elsevier Ltd., 2021)This work presents a coupled 3D wear and fatigue numerical procedure for fretting problems in ultra-high strength steel wires that combines Archard’s wear equation with the Smith–Watson–Topper parameter to predict crack ... -
Critical Analysis of the Suitability of Surrogate Models for Finite Element Method Application in Catalog-Based Suspension Bushing Design
Cernuda, Carlos; Llavori, Inigo; Zavoianu, Alexandru-Ciprian; Aguirre, Aitor; Zabala, Alaitz; Plaza, Jon (IEEE, 2020)This work presents a critical analysis of the suitability of surrogate models for finite element method application. A case study of a finite element method (FEM) structural problem was selected in order to test the ... -
Definición de una metodología optimizada para la simulación del desgaste en materiales
Cruzado, Aitor; Zabala, Alaitz; Gómez Rodríguez, Xabier (Consejo Superior de Investigaciones Científicas (CSIC), 2010)The wear simulation with finite element method (FEM) presents great advantages for the improvement of components, because of the reduction in the cost in comparison to the experimental procedure (test time, materials, ... -
Development of a Modular Fretting Wear and Fretting Fatigue Tribometer for Thin Steel Wires: Design Concept and Preliminary Analysis of the Effect of Crossing Angle on Tangential Force
Llavori, Inigo; Zabala, Alaitz; Tato, Wilson; Gómez Rodríguez, Xabier (MDPI AG, 2019)This work presents the design of a modular ad-hoc fretting fatigue and fretting wear tribotester for thin steel wires. The working principles of the diffrent modules are described, such as the displacement and contact ... -
Development of a novel method to characterize mean surface peak curvature as a signature of tribological performance of dental implant surfaces
Zabala, Alaitz; Aginagalde, Andrea; Llavori, Inigo; Tato, Wilson (IOP Publishing, 2020)The integrity of dental implant surfaces might be compromised during surgical insertion. Wear and topographical modifications can occur during implant insertion, which can potentially have clinical implications. Accordingly, ... -
Development, characterization and sterilisation of Nanocellulose-alginate-(hyaluronic acid)- bioinks and 3D bioprinted scaffolds for tissue engineering
Zabala, Alaitz (Elsevier, 2021)3D-bioprinting is an emerging technology of high potential in tissue engineering (TE), since it shows effective control over scaffold fabrication and cell distribution. Biopolymers such as alginate (Alg), nanofibrillated ... -
Dimple prediction modelling in ultrashort laser processing: A benchmark study on ablation threshold determination methods and incubation models
Guinea, Ainhoa; Aginagalde, Andrea; Mendiguren, Joseba; Sáenz de Argandoña, Eneko; Llavori, Inigo; Zabala, Alaitz (Elsevier, 2025)The appropriate selection of ultrashort laser processing parameters is a complex task in which prediction models based on the logarithmic ablation law derived from the Two-Temperature model are commonly used to minimize ... -
Elektrospinning bidezko PCL nanozuntzen lorpena larruazal-birsorkuntzarako
RODRIGUEZ-FLOREZ, NAIARA; Zabala, Alaitz; Lapeira, Estela; Buruaga, Lorea (UEU, 2019)Skin ulcers are a serious threat to public health system, and, although wound healing is a natural process, a proper dressing can improve the healing process. In this work, platelet rich plasma (PRP) coated polycaprolactone ... -
Faktore klimatikoen degradazioaren efektua igogailuetako kable-polea trakzio sistemaren adherentzian
Barayazarra Benitez, Nerea; Zabala, Alaitz; Pecharroman Eizaguirre, Lander; Tato, Wilson; Aginagalde, Andrea (Tecnalia, 2021)Igogailuak trakzionatzeko existitzen diren hainbat metodoen artean kable eta polea bidezko trakzio-sistema oso arrunta da. Trakzio-sistema honetan kablearen eta polearen arteko itsaspenak berebiziko garrantzia du, eta ... -
Fatigue Life Assessment for Wave Energy Converter Mooring Lines under Realistic Wave Climates
Martinez-Puente, Eguzkiñe; Zarketa-Astigarraga, Ander; Esnaola, Jon Ander; Zabala, Alaitz; Martinez Agirre, Manex; Llavori, Inigo; Penalba, Markel (EWTEC, 2023) -
Fretting : review on the numerical simulation and modelling of wear, fatigue and fracture
Llavori, Inigo; Esnaola, Jon Ander; Zabala, Alaitz; Larrañaga, Miren; Gómez Rodríguez, Xabier (InTech Europe, 2018) -
High-temperature tribological performance of functionally graded Stellite 6/WC metal matrix composite coatings manufactured by laser-directed energy deposition
Zabala, Alaitz; Llavori, Inigo; Otegi, Nagore (Springer, 2024)Wear-driven tool failure is one of the main hurdles in the industry. This issue can be addressed through surface coating with ceramic-reinforced metal matrix composites. However, the maximum ceramic content is limited by ... -
Impact of surface roughness on the coefficient of friction of polymer-on-polymer contacts for deflection pulley-rope systems in the lift industry
Guinea, Ainhoa; Aginagalde, Andrea; Tato, Wilson; Llavori, Inigo; Zabala, Alaitz (Springer, 2024)The coefficient of friction (CoF) between the deflection pulley and rope in a lift strongly affects the life span of the rope. Although surface roughness is a key factor affecting the metallic pulley–rope CoF, its effect ...
