Listar por autor "bcdefca4f14cb0789e0602cd7e66c2e2"
Mostrando ítems 1-20 de 42
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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 ... -
An all-in-one numerical methodology for fretting wear and fatigue life assessment
Llavori, Inigo; Tato, Wilson; Gómez Rodríguez, Xabier (Gruppo Italiano Frattura, 2016)Many mechanical components such as, bearing housings, flexible couplings and spines or orthopedic devices are simultaneously subjected to a fretting wear and fatigue damage. For this reason, the combined study on a single ... -
Análisis del efecto de shot-peening y el cementado en la vida a fatiga de los engranajes
Cortabitarte Laucirica, Gurutz; Larrañaga, Miren; Llavori, Inigo; Larrañaga Amilibia, Jon; Arana, Aitor; Esnaola, Jon Ander; Ulacia, Ibai (Sociedad Española de Integridad Estructural - Grupo Español de Fractura SEIE-GEF, 2023)Debido a sus condiciones de trabajo, la fatiga es uno de los modos de fallo más comunes en los engranajes. A pesar de que habitualmente se emplean diversos tratamientos para mejorar las propiedades mecánicas de los mismos, ... -
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 ... -
Breakage risk analysis during the glass tempering process based on fluid-structure interaction approach
Iglesias, Asier; Martinez Agirre, Manex; Llavori, Inigo; Esnaola, Jon Ander (Springer Nature, 2024)In recent decades, there has been a perceptible transformation in how glass is perceived, evolving from being used for its aesthetic appeal to being acknowledged for its structural capabilities. Structural glass components ... -
Challenges and issues in continuum modelling of tribology, wear, cutting and other processes involving high-strain rate plastic deformation of metals
Llavori, Inigo (Elsevier Ltd., 2022)Contribution of finite element method (FEM) as a modelling and simulation technique to represent complex tribological processes has improved our understanding about various biomaterials. This paper presents a review of the ... -
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 ... -
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, ... -
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 ... -
Evaluación probabilística del vidrio templado basada en simulación multifísica avanzada de proceso y desempeño
Iglesias, Asier; Llavori, Inigo; Torca, Ireneo; Martinez Agirre, Manex; Esnaola, Jon Ander (Sociedad Española de Integridad Estructural - Grupo Español de Fractura SEIE-GEF, 2023)El vidrio es ampliamente utilizado en aplicaciones estructurales, estando presente en sectores como el sector de la automoción o el sector de la construcción. El comportamiento estructural del vidrio depende principalmente ... -
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 mean stress on mooring line fatigue assessment: An analytical study
Martinez-Puente, Eguzkiñe; Llavori, Inigo; Muñiz Calvente, Miguel; Penalba, Markel (Elsevier, 2025)Mean stress significantly impacts material fatigue behaviour, extending lifetimes under compressive loads and reducing them under tensile loads. Mooring systems experience complex, dynamic loads, with lines continuously ... -
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 ... -
Influence of Surface Finish and Porosity on the Fatigue behaviour of A356 Aluminium Casting Alloy
Hidalgo, Raquel; Esnaola, Jon Ander; Llavori, Inigo; Larrañaga, Miren; Herrero-Dorca, Nuria; Hurtado, Iñaki; Kortabarria, Aitor (EDP Sciences, 2018)In casting parts, due to the manufacturing process, the presence of defects such as porosity, inclusions and oxide films is unavoidable. All these irregularities have a negative effect on the component ...
