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Francisco Trujillo Vilches
Department of Civil, Materials and Manufacturing Engineering, EII, University of Malaga, 29071 Malaga, Spain

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Journal article
Published: 13 June 2021 in Metals
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Geometrical tolerances play a very important role in the functionality and assembly of parts made of light alloys for aeronautical applications. These parts are frequently machined in dry conditions. Under these conditions, the tool wear becomes one of the most important variables that influence geometrical tolerances. In this work, the influence of tool wear on roundness, straightness and cylindricity of dry-turned UNS A97075 alloy has been analyzed. The tool wear and form deviations evolution as a function of the cutting parameters and the cutting time has been assessed. In addition, the predominant tool wear mechanisms have been checked. The experimental results revealed that the indirect adhesion wear (BUL and BUE) was the main tool-wear mechanism, with the feed being the most influential cutting parameter. The combination of high feed and low cutting speed values resulted in the highest tool wear. The analyzed form deviations showed a general trend to increase with both cutting parameters. The tool wear and the form deviations tend to increase with the cutting time only within the intermediate range of feed tested. As the main novelty, a relationship between the cutting parameters, the cutting time (and, indirectly, the tool wear) and the analyzed form deviations has been found.

ACS Style

Francisco Trujillo Vilches; Sergio Martín Béjar; Carolina Bermudo Gamboa; Manuel Herrera Fernández; Lorenzo Sevilla Hurtado. Influence of Tool Wear on Form Deviations in Dry Machining of UNS A97075 Alloy. Metals 2021, 11, 958 .

AMA Style

Francisco Trujillo Vilches, Sergio Martín Béjar, Carolina Bermudo Gamboa, Manuel Herrera Fernández, Lorenzo Sevilla Hurtado. Influence of Tool Wear on Form Deviations in Dry Machining of UNS A97075 Alloy. Metals. 2021; 11 (6):958.

Chicago/Turabian Style

Francisco Trujillo Vilches; Sergio Martín Béjar; Carolina Bermudo Gamboa; Manuel Herrera Fernández; Lorenzo Sevilla Hurtado. 2021. "Influence of Tool Wear on Form Deviations in Dry Machining of UNS A97075 Alloy." Metals 11, no. 6: 958.

Conference paper
Published: 01 February 2021 in IOP Conference Series: Materials Science and Engineering
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Chip evacuation becomes a relevant factor in the dry machining of aeronautical aluminium alloys, either when they are machined as isotropic material or hybridized with other materials. Chip morphology and geometry highly depend on cutting parameters. Several works can be found in the literature focusing on the analysis of chip morphology of aluminium alloys at high cutting speeds but there is a lack of studies that apply low cutting speeds. FEM simulation may be useful to reduce the experimental time and cost of this kind of analysis. Therefore, in this work, the influence of feed-rate on several chip geometrical parameters (height of peaks, height of valleys and shrinkage factor) of dry turned UNS A92024 alloy has been analysed by FEM simulation. Three different energy fracture modes have been tested as damage evolution criterion, in order to get the mode that better fit the experimental chip morphology. In general, the mixed mode was the fracture energy mode that best suited the chip morphology behaviour, within wider feed-rate range.

ACS Style

F J Trujillo; C Bermudo; S Martín-Béjar; D Svensson; T Andersson; L Sevilla. Shrinkage Factor Analysis in the Dry Machining of UNS A92024 Alloy by FEM. IOP Conference Series: Materials Science and Engineering 2021, 1037, 012011 .

AMA Style

F J Trujillo, C Bermudo, S Martín-Béjar, D Svensson, T Andersson, L Sevilla. Shrinkage Factor Analysis in the Dry Machining of UNS A92024 Alloy by FEM. IOP Conference Series: Materials Science and Engineering. 2021; 1037 (1):012011.

Chicago/Turabian Style

F J Trujillo; C Bermudo; S Martín-Béjar; D Svensson; T Andersson; L Sevilla. 2021. "Shrinkage Factor Analysis in the Dry Machining of UNS A92024 Alloy by FEM." IOP Conference Series: Materials Science and Engineering 1037, no. 1: 012011.

Journal article
Published: 12 May 2020 in Metals
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Fatigue behavior takes special relevance in structural parts for aircraft due to safety reasons. Despite its environmental advantages, dry machining of these parts may negatively affect their surface integrity, which may lead to a reduction in fatigue life. Nevertheless, there is a lack of research focused on the analysis of the cutting parameters influence on fatigue behavior in dry machining of aeronautical aluminum alloys, in spite of its importance. Therefore, in this work, an analysis of the cutting speed and feed influence on fatigue behavior of dry turned UNS A97075-T6 alloy is presented. The stress-fatigue life curves have been obtained and corrected according to the applied cutting parameters values. Additionally, the surface roughness and two macro-geometrical deviations (cylindricity and concentricity) have been controlled. The experimental results have revealed that fatigue life is reduced when high values of cutting speed and feed are combined. Finally, a parametric potential equation for fatigue life, as a function of the load and the cutting parameters, has been developed. The relation has been obtained for the theoretical fracture section and, as the main novelty, corrected for the real one.

ACS Style

Sergio Martín Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. Fatigue Behavior Parametric Analysis of Dry Machined UNS A97075 Aluminum Alloy. Metals 2020, 10, 631 .

AMA Style

Sergio Martín Béjar, Francisco Javier Trujillo Vilches, Carolina Bermudo Gamboa, Lorenzo Sevilla Hurtado. Fatigue Behavior Parametric Analysis of Dry Machined UNS A97075 Aluminum Alloy. Metals. 2020; 10 (5):631.

Chicago/Turabian Style

Sergio Martín Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. 2020. "Fatigue Behavior Parametric Analysis of Dry Machined UNS A97075 Aluminum Alloy." Metals 10, no. 5: 631.

Journal article
Published: 05 February 2020 in Applied Sciences
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In this work, an analysis of the cutting speed and feed influence on surface roughness and microhardness of UNS A97075-T6 alloy, turned under dry conditions, was carried out. The results were compared before and after a corrosion process. The influence of these cutting parameters on each of these variables was analyzed, as well as the possible interrelation between them. The microgeometrical deviations showed a general trend to increase with feed. However, no significant modifications were observed as a function of the cutting speed. This trend was softer after the corrosion process, due to the surface alterations produced by pitting corrosion, which resulted in higher dispersion of the experimental data. In addition, a surface microhardness increment was observed in all samples, after machining and before corrosion, regardless of the cutting parameter values. The experimental results revealed that the mechanical effects, produced by the feed, should not be neglected against the thermal effects, produced by the cutting speed, within the range of the tested cutting speed. Finally, the corrosion process negatively affected the microhardness, but it was not possible to establish a direct relationship between the cutting parameters, surface roughness, and microhardness after a corrosion process.

ACS Style

Sergio Martín-Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. Cutting Speed and Feed Influence on Surface Microhardness of Dry-Turned UNS A97075-T6 Alloy. Applied Sciences 2020, 10, 1049 .

AMA Style

Sergio Martín-Béjar, Francisco Javier Trujillo Vilches, Carolina Bermudo Gamboa, Lorenzo Sevilla Hurtado. Cutting Speed and Feed Influence on Surface Microhardness of Dry-Turned UNS A97075-T6 Alloy. Applied Sciences. 2020; 10 (3):1049.

Chicago/Turabian Style

Sergio Martín-Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. 2020. "Cutting Speed and Feed Influence on Surface Microhardness of Dry-Turned UNS A97075-T6 Alloy." Applied Sciences 10, no. 3: 1049.

Journal article
Published: 11 December 2019 in Materials
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Nowadays, localized forming operations, such as incremental forming processes, are being developed as an alternative to conventional machining or forming techniques. An indentation process is the main action that takes places in these forming activities, allowing small, localized deformations. It is essential to have the knowledge of the material behavior under the punch and the transmitted forces to achieve correct control of the entire procedure. This paper presents the work carried out with the digital image correlation (DIC) technique applied to the study of the material flow that takes place under an indentation process. The material flow analysis is performed under 2D and 3D conditions, establishing the methodology for the calibration and implementation for each alternative. Two-dimensional DIC has been proven to be a satisfactory technique compared with the 3D method, showing results in good agreement with experimental tests and models developed by the finite element method. Notwithstanding, part of the indented material flows under the punch, emerging on the front surface and generating a dead zone that can only be addressed with a 3D technique. So, the main objective is to carry out a comparison between the 2D and 3D techniques to identify if the 3D application could be mandatory for this type of process. Also, a 2D–3D mix analysis is proposed for study cases in which it is necessary to know the material flow in that specific area of the workpiece.

ACS Style

Carolina Bermudo Gamboa; Sergio Martín-Béjar; F. Javier Trujillo Vilches; G. Castillo López; Lorenzo Sevilla Hurtado. 2D–3D Digital Image Correlation Comparative Analysis for Indentation Process. Materials 2019, 12, 4156 .

AMA Style

Carolina Bermudo Gamboa, Sergio Martín-Béjar, F. Javier Trujillo Vilches, G. Castillo López, Lorenzo Sevilla Hurtado. 2D–3D Digital Image Correlation Comparative Analysis for Indentation Process. Materials. 2019; 12 (24):4156.

Chicago/Turabian Style

Carolina Bermudo Gamboa; Sergio Martín-Béjar; F. Javier Trujillo Vilches; G. Castillo López; Lorenzo Sevilla Hurtado. 2019. "2D–3D Digital Image Correlation Comparative Analysis for Indentation Process." Materials 12, no. 24: 4156.

Journal article
Published: 24 October 2019 in Metals
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Macro-geometrical deviations play a very important role in the functionality and reliability of structural parts for aircraft. The use of environmentally friendly techniques, such as dry machining, may negatively affect these deviations. Despite its importance, there is a lack of research that analyzes them as a function of the cutting parameters in the case of aluminum alloys for aeronautical purpose. In this work, the cutting speed and feed influence on several macro-geometrical deviations (parallelism, straightness, circular run-out, roundness, concentricity, total circular run-out and cylindricity) in dry turning of UNS A97075 alloy was analyzed. The main novelty of this work lies in the use of high slenderness parts used in further fatigue tests. The results showed that feed seems to be the most influential parameter in most of the deviations studied. In addition, the parts with lower rigidity exhibited higher sensitivity to change with the cutting parameters. Finally, different parametric models were proposed to obtain the geometrical deviations as a function of the cutting parameters.

ACS Style

Sergio Martín Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. Parametric Analysis of Macro-Geometrical Deviations in Dry Turning of UNS A97075 (Al-Zn) Alloy. Metals 2019, 9, 1141 .

AMA Style

Sergio Martín Béjar, Francisco Javier Trujillo Vilches, Carolina Bermudo Gamboa, Lorenzo Sevilla Hurtado. Parametric Analysis of Macro-Geometrical Deviations in Dry Turning of UNS A97075 (Al-Zn) Alloy. Metals. 2019; 9 (11):1141.

Chicago/Turabian Style

Sergio Martín Béjar; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. 2019. "Parametric Analysis of Macro-Geometrical Deviations in Dry Turning of UNS A97075 (Al-Zn) Alloy." Metals 9, no. 11: 1141.

Journal article
Published: 17 September 2019 in Metals
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In this work, the analysis of the cutting speed and feed rate influence on tool wear and cutting forces in Ti6Al4V alloy dry machining is presented. The study has been focused on the machining in a transient state. The tool wear mechanisms, tool wear intensity and cutting forces evolution have been analyzed as a function of the cutting parameters. Experimental results show that the main cutting force amplitude exhibits a general trend to increase with both cutting parameters. Crater wear was more evident at high cutting speeds, whereas flank wear was present on the whole interval of the cutting parameters analyzed. Furthermore, the cutting speed shows a slightly higher influence on crater wear and the feed rate shows a higher influence on flank wear. Finally, several experimental parametric models have been obtained. These models allow predicting the evolution of crater and flank tool wear, as well as the cutting forces, as a function of the cutting parameters. Additionally, a model that allows monitoring the tool wear on the machining transient state as a function of the main cutting force amplitude has been developed.

ACS Style

Yezika Sánchez Hernández; F. Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado; Sánchez Hernández; Trujillo Vilches; Bermudo Gamboa; Sevilla Hurtado. Online Tool Wear Monitoring by the Analysis of Cutting Forces in Transient State for Dry Machining of Ti6Al4V Alloy. Metals 2019, 9, 1014 .

AMA Style

Yezika Sánchez Hernández, F. Javier Trujillo Vilches, Carolina Bermudo Gamboa, Lorenzo Sevilla Hurtado, Sánchez Hernández, Trujillo Vilches, Bermudo Gamboa, Sevilla Hurtado. Online Tool Wear Monitoring by the Analysis of Cutting Forces in Transient State for Dry Machining of Ti6Al4V Alloy. Metals. 2019; 9 (9):1014.

Chicago/Turabian Style

Yezika Sánchez Hernández; F. Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado; Sánchez Hernández; Trujillo Vilches; Bermudo Gamboa; Sevilla Hurtado. 2019. "Online Tool Wear Monitoring by the Analysis of Cutting Forces in Transient State for Dry Machining of Ti6Al4V Alloy." Metals 9, no. 9: 1014.

Journal article
Published: 02 June 2019 in Innoeduca. International Journal of Technology and Educational Innovation
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El uso de tecnologías de información y comunicación (TIC) se ha convertido en una herramienta que se utiliza cada día más en el ámbito educativo y en el ámbito laboral. Desde el punto de vista educativo, las TIC se han utilizado como herramientas facilitadoras del proceso de aprendizaje, mientras que desde el punto de vista laboral, se utiliza esta tecnología como medio fundamental para el control de procesos productivos como para el desarrollo de servicios.Por ello, en la asignatura de Ingeniería de Fabricación de la Escuela de Ingeniería Industriales de la Universidad de Málaga, se ha propuesto al alumnado la realización de un trabajo para la edición de videos de tipo educativo que explique un proceso de fabricación.Dicho trabajo se ha llevado a cabo en diferentes titulaciones donde se imparte la asignatura. Para ello se ha formado un equipo de trabajo por el personal docente de la asignatura, estableciendo una metodología para realizar el seguimiento y evaluación del trabajo realizado por el alumnado.La elaboración de dicho trabajo ha originado la edición de 85 videos relacionados con la Ingeniería de los Procesos de Fabricación, los cuales pueden ser utilizados como recurso educativo en cursos posteriores y facilitar así la comprensión por parte del alumnado de los términos objeto de estudio.

ACS Style

Sergio Martín Béjar; María Jesús Martín Sánchez; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa. Utilización de TIC en el ámbito educativo de la Ingeniería de Procesos de Fabricación. Innoeduca. International Journal of Technology and Educational Innovation 2019, 5, 55 -62.

AMA Style

Sergio Martín Béjar, María Jesús Martín Sánchez, Francisco Javier Trujillo Vilches, Carolina Bermudo Gamboa. Utilización de TIC en el ámbito educativo de la Ingeniería de Procesos de Fabricación. Innoeduca. International Journal of Technology and Educational Innovation. 2019; 5 (1):55-62.

Chicago/Turabian Style

Sergio Martín Béjar; María Jesús Martín Sánchez; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa. 2019. "Utilización de TIC en el ámbito educativo de la Ingeniería de Procesos de Fabricación." Innoeduca. International Journal of Technology and Educational Innovation 5, no. 1: 55-62.

Journal article
Published: 23 July 2018 in Materials
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The Ti6Al4V alloy is included in the group of difficult-to-cut materials. Segmented chips are generated for a wide range of cutting parameters. This kind of chip geometry leads to the periodic variation of machining forces, tool vibrations, and work part-tolerance inaccuracies. Therefore, the analysis of chip morphology and geometry becomes a fundamental machinability criterion. However, few studies propose experimental parametric relationships that allow predicting chip-geometry evolution as a function of cutting parameters. In this work, an experimental analysis of the influence of cutting speed and feed rate on various chip-geometric parameters in dry machining of the Ti6Al4V alloy was carried out. In addition, the chip morphology and chip microstructure were studied. A clear dependence of certain chip-geometric parameters on the cutting parameters studied was found. From the experimental data, several parametric relationships were developed. These relationships were able to predict the evolution of different geometric parameters as a function of cutting speed and feed, within the tested range of values. The differences between the proposed models and the experimental data were also highlighted. These parametric equations allowed quantifying the value of parameters in which the trend was clear.

ACS Style

Yezika Sánchez Hernández; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. Experimental Parametric Relationships for Chip Geometry in Dry Machining of the Ti6Al4V Alloy. Materials 2018, 11, 1260 .

AMA Style

Yezika Sánchez Hernández, Francisco Javier Trujillo Vilches, Carolina Bermudo Gamboa, Lorenzo Sevilla Hurtado. Experimental Parametric Relationships for Chip Geometry in Dry Machining of the Ti6Al4V Alloy. Materials. 2018; 11 (7):1260.

Chicago/Turabian Style

Yezika Sánchez Hernández; Francisco Javier Trujillo Vilches; Carolina Bermudo Gamboa; Lorenzo Sevilla Hurtado. 2018. "Experimental Parametric Relationships for Chip Geometry in Dry Machining of the Ti6Al4V Alloy." Materials 11, no. 7: 1260.

Journal article
Published: 01 August 2017 in Materials Science Forum
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In this work, the design and implementation of a set of practical activities in a flexible manufacturing cell is exposed, as well as the teaching methodology used, both in programming cell manually (guided programming) or remotely (off-line, using simulation software). These activities have been designed for a progressive learning, starting with simple tasks, like programming a robot arm movement between different points in space, and concluding with more complex tasks, such as programming of palletizing cycles or manufacturing a part by machining.

ACS Style

F.J. Trujillo; R. Dorado; R. López-García; Lorenzo Sevilla; Lorenzo Sevilla Hurtado. Design and Implementation of a Practical Learning Methodology for the Control and Programming of a Flexible Manufacturing Cell. Materials Science Forum 2017, 903, 1 -8.

AMA Style

F.J. Trujillo, R. Dorado, R. López-García, Lorenzo Sevilla, Lorenzo Sevilla Hurtado. Design and Implementation of a Practical Learning Methodology for the Control and Programming of a Flexible Manufacturing Cell. Materials Science Forum. 2017; 903 ():1-8.

Chicago/Turabian Style

F.J. Trujillo; R. Dorado; R. López-García; Lorenzo Sevilla; Lorenzo Sevilla Hurtado. 2017. "Design and Implementation of a Practical Learning Methodology for the Control and Programming of a Flexible Manufacturing Cell." Materials Science Forum 903, no. : 1-8.

Journal article
Published: 19 May 2017 in Materials
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The application of incremental processes in the manufacturing industry is having a great development in recent years. The first stage of an Incremental Forming Process can be defined as an indentation. Because of this, the indentation process is starting to be widely studied, not only as a hardening test but also as a forming process. Thus, in this work, an analysis of the indentation process under the new Modular Upper Bound perspective has been performed. The modular implementation has several advantages, including the possibility of the introduction of different parameters to extend the study, such as the friction effect, the temperature or the hardening effect studied in this paper. The main objective of the present work is to analyze the three hardening models developed depending on the material characteristics. In order to support the validation of the hardening models, finite element analyses of diverse materials under an indentation are carried out. Results obtained from the Modular Upper Bound are in concordance with the results obtained from the numerical analyses. In addition, the numerical and analytical methods are in concordance with the results previously obtained in the experimental indentation of annealed aluminum A92030. Due to the introduction of the hardening factor, the new modular distribution is a suitable option for the analysis of indentation process.

ACS Style

Carolina Bermudo; Lorenzo Sevilla; Francisco Martín; Francisco Javier Trujillo. Hardening Effect Analysis by Modular Upper Bound and Finite Element Methods in Indentation of Aluminum, Steel, Titanium and Superalloys. Materials 2017, 10, 556 .

AMA Style

Carolina Bermudo, Lorenzo Sevilla, Francisco Martín, Francisco Javier Trujillo. Hardening Effect Analysis by Modular Upper Bound and Finite Element Methods in Indentation of Aluminum, Steel, Titanium and Superalloys. Materials. 2017; 10 (5):556.

Chicago/Turabian Style

Carolina Bermudo; Lorenzo Sevilla; Francisco Martín; Francisco Javier Trujillo. 2017. "Hardening Effect Analysis by Modular Upper Bound and Finite Element Methods in Indentation of Aluminum, Steel, Titanium and Superalloys." Materials 10, no. 5: 556.

Journal article
Published: 10 February 2017 in Materials
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In this work, the study of the influence of cutting parameters (cutting speed, feed, and depth of cut) on the tool wear used in in the dry turning of cylindrical bars of the UNS A97075 (Al-Zn) alloy, has been analyzed. In addition, a study of the physicochemical mechanisms of the secondary adhesion wear has been carried out. The behavior of this alloy, from the point of view of tool wear, has been compared to similar aeronautical aluminum alloys, such as the UNS A92024 (Al-Cu) alloy and UNS A97050 (Al-Zn) alloy. Furthermore, a first approach to the measurement of the 2D surface of the adhered material on the rake face of the tool has been conducted. Finally, a parametric model has been developed from the experimental results. This model allows predicting the intensity of the secondary adhesion wear as a function of the cutting parameters applied.

ACS Style

Francisco Javier Trujillo; Lorenzo Sevilla; Mariano Marcos. Experimental Parametric Model for Indirect Adhesion Wear Measurement in the Dry Turning of UNS A97075 (Al-Zn) Alloy. Materials 2017, 10, 152 .

AMA Style

Francisco Javier Trujillo, Lorenzo Sevilla, Mariano Marcos. Experimental Parametric Model for Indirect Adhesion Wear Measurement in the Dry Turning of UNS A97075 (Al-Zn) Alloy. Materials. 2017; 10 (2):152.

Chicago/Turabian Style

Francisco Javier Trujillo; Lorenzo Sevilla; Mariano Marcos. 2017. "Experimental Parametric Model for Indirect Adhesion Wear Measurement in the Dry Turning of UNS A97075 (Al-Zn) Alloy." Materials 10, no. 2: 152.

Journal article
Published: 27 January 2017 in Applied Sciences
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Aluminum alloys are widely used in the manufacturing of structural parts for aircraft, frequently in combination with other materials such as CFRP (Carbon Fiber Reinforced Polymer), to form FML (Fiber Metal Laminates) structures (CFRP/Al). The dry machining of these structures presents several problems, some of which are related to chip evacuation, either when machining aluminum alloys as an isotropic material, or during hybridization with composites. In this work, a study of the way in which cutting parameters influence the chip morphology in the dry machining of UNS A97075-T6 (Al-Zn) and UNS A92024-T3 (Al-Cu) alloys, is performed. Thus, different geometric parameters of the chip morphology have been obtained, and their evolution with feed has been analysed. Finally, the different relationships which occur between these geometric parameters and feed, have been obtained. These relationships allow a prediction of the evolution of some of the geometric parameters of the chip, as a function of feed.

ACS Style

Francisco Javier Trujillo Vilches; Lorenzo Sevilla Hurtado; Francisco Martín Fernández; Carolina Bermudo Gamboa. Analysis of the Chip Geometry in Dry Machining of Aeronautical Aluminum Alloys. Applied Sciences 2017, 7, 132 .

AMA Style

Francisco Javier Trujillo Vilches, Lorenzo Sevilla Hurtado, Francisco Martín Fernández, Carolina Bermudo Gamboa. Analysis of the Chip Geometry in Dry Machining of Aeronautical Aluminum Alloys. Applied Sciences. 2017; 7 (2):132.

Chicago/Turabian Style

Francisco Javier Trujillo Vilches; Lorenzo Sevilla Hurtado; Francisco Martín Fernández; Carolina Bermudo Gamboa. 2017. "Analysis of the Chip Geometry in Dry Machining of Aeronautical Aluminum Alloys." Applied Sciences 7, no. 2: 132.

Journal article
Published: 01 January 2017 in Procedia Manufacturing
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ACS Style

C. Bermudo; F.J. Trujillo; M. Herrera; L. Sevilla. Parametric analysis of the Ultimate Tensile Strength in dry machining of UNS A97075 Alloy. Procedia Manufacturing 2017, 13, 81 -88.

AMA Style

C. Bermudo, F.J. Trujillo, M. Herrera, L. Sevilla. Parametric analysis of the Ultimate Tensile Strength in dry machining of UNS A97075 Alloy. Procedia Manufacturing. 2017; 13 ():81-88.

Chicago/Turabian Style

C. Bermudo; F.J. Trujillo; M. Herrera; L. Sevilla. 2017. "Parametric analysis of the Ultimate Tensile Strength in dry machining of UNS A97075 Alloy." Procedia Manufacturing 13, no. : 81-88.

Journal article
Published: 01 January 2017 in Procedia Manufacturing
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ACS Style

Y. Sanchez; F.J. Trujillo; L. Sevilla; M. Marcos. Indirect Monitoring Method of Tool Wear using the Analysis of Cutting Force during Dry Machining of Ti Alloys. Procedia Manufacturing 2017, 13, 623 -630.

AMA Style

Y. Sanchez, F.J. Trujillo, L. Sevilla, M. Marcos. Indirect Monitoring Method of Tool Wear using the Analysis of Cutting Force during Dry Machining of Ti Alloys. Procedia Manufacturing. 2017; 13 ():623-630.

Chicago/Turabian Style

Y. Sanchez; F.J. Trujillo; L. Sevilla; M. Marcos. 2017. "Indirect Monitoring Method of Tool Wear using the Analysis of Cutting Force during Dry Machining of Ti Alloys." Procedia Manufacturing 13, no. : 623-630.

Journal article
Published: 01 January 2017 in Procedia Manufacturing
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ACS Style

S. Martín-Béjar; F.J. Trujillo; M. Herrera; L. Sevilla; M. Marcos. Experimental methodology design for fatigue behaviour analysis of turned aluminum alloys. Procedia Manufacturing 2017, 13, 73 -80.

AMA Style

S. Martín-Béjar, F.J. Trujillo, M. Herrera, L. Sevilla, M. Marcos. Experimental methodology design for fatigue behaviour analysis of turned aluminum alloys. Procedia Manufacturing. 2017; 13 ():73-80.

Chicago/Turabian Style

S. Martín-Béjar; F.J. Trujillo; M. Herrera; L. Sevilla; M. Marcos. 2017. "Experimental methodology design for fatigue behaviour analysis of turned aluminum alloys." Procedia Manufacturing 13, no. : 73-80.

Journal article
Published: 01 January 2017 in Procedia Manufacturing
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ACS Style

S. Martín-Béjar; F.J. Trujillo; L. Sevilla; M. Marcos. Indirect adhesion wear parametric analysis in the dry turning of UNS A97075 Alloys. Procedia Manufacturing 2017, 13, 418 -425.

AMA Style

S. Martín-Béjar, F.J. Trujillo, L. Sevilla, M. Marcos. Indirect adhesion wear parametric analysis in the dry turning of UNS A97075 Alloys. Procedia Manufacturing. 2017; 13 ():418-425.

Chicago/Turabian Style

S. Martín-Béjar; F.J. Trujillo; L. Sevilla; M. Marcos. 2017. "Indirect adhesion wear parametric analysis in the dry turning of UNS A97075 Alloys." Procedia Manufacturing 13, no. : 418-425.

Journal article
Published: 24 October 2016 in Advances in Materials and Processing Technologies
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In this work, the results of a preliminary study on the dry turning of the UNS A92050-T84 alloy (Al–Cu–Li, third generation of Al–Li alloys) are shown. This study has been focused on the analysis of the final surface quality of the machined workpieces, in terms of average roughness (Ra). Dry turning tests have been performed, using symmetric WC-Co cutting-tools, with different feeds and cutting speeds. Two different geometrical models, linear and quadratic, have been proposed, together with a non-geometrical potential model, obtained by adjusting the measurements to empirical data. Although the linear geometrical model is far from the acquired data, this model is formally similar to the parametric model, in which the feed exponent is close to one. This model allows predicting roughness theoretically for similar range of cutting conditions.

ACS Style

J. Salguero; F. J. Puerta; A. Gomez-Parra; F. J. Trujillo; L. Sevilla; M. Marcos. An analysis of geometrical models for evaluating the influence of feed rate on the roughness of dry turned UNS A92050 (Al-Cu-Li) alloy. Advances in Materials and Processing Technologies 2016, 2, 578 -589.

AMA Style

J. Salguero, F. J. Puerta, A. Gomez-Parra, F. J. Trujillo, L. Sevilla, M. Marcos. An analysis of geometrical models for evaluating the influence of feed rate on the roughness of dry turned UNS A92050 (Al-Cu-Li) alloy. Advances in Materials and Processing Technologies. 2016; 2 (4):578-589.

Chicago/Turabian Style

J. Salguero; F. J. Puerta; A. Gomez-Parra; F. J. Trujillo; L. Sevilla; M. Marcos. 2016. "An analysis of geometrical models for evaluating the influence of feed rate on the roughness of dry turned UNS A92050 (Al-Cu-Li) alloy." Advances in Materials and Processing Technologies 2, no. 4: 578-589.

Journal article
Published: 12 July 2016 in Applied Sciences
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Focusing on incremental bulk metal forming processes, the indentation process is gaining interest as a fundamental part of these kinds of processes. This paper presents the analysis of the pressure obtained in indentation under the influence of different punch geometries. To this end, an innovative Upper Bound Theorem (UBT) based solution is introduced. This new solution can be easily applied to estimate the necessary force that guarantees plastic deformation by an indentation process. In this work, we propose an accurate analytical approach to analyse indentation under different punches. The new Modular Upper Bound (MUB) method presents a simpler and faster application. Additionally, its complexity is not considerably increased by the addition of more Triangular Rigid Zones. In addition, a two-dimensional indentation model is designed and implemented using the Finite Element Method (FEM). The comparison of the two methods applied to the indentation process analysed—the new Modular Upper Bound technique and the Finite Element Method—reveal close similarities, the new Modular Upper Bound being more computationally efficient.

ACS Style

Carolina Bermudo; Lorenzo Sevilla; Francisco Martín; Francisco J. Trujillo. Study of the Tool Geometry Influence in Indentation for the Analysis and Validation of the New Modular Upper Bound Technique. Applied Sciences 2016, 6, 203 .

AMA Style

Carolina Bermudo, Lorenzo Sevilla, Francisco Martín, Francisco J. Trujillo. Study of the Tool Geometry Influence in Indentation for the Analysis and Validation of the New Modular Upper Bound Technique. Applied Sciences. 2016; 6 (7):203.

Chicago/Turabian Style

Carolina Bermudo; Lorenzo Sevilla; Francisco Martín; Francisco J. Trujillo. 2016. "Study of the Tool Geometry Influence in Indentation for the Analysis and Validation of the New Modular Upper Bound Technique." Applied Sciences 6, no. 7: 203.

Journal article
Published: 01 April 2016 in Materials Science Forum
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At the presented work, the results obtained by the implementation of self-assessment tools in the subject of Manufacturing Engineering are analyzed. This is the first subject that has been taught by the Department of Manufacturing Engineering Processes at the University of Malaga in all new engineering degrees within the EHEA framework. First, weak points related to the criteria, tools and evaluation methods have been identified, which were detected during the first year teaching the subject. In order to improve the academic outcomes, new evaluation methods and additional assessment tools have been developed. For this purpose, ICT based tools have been used to support teaching. Finally, the academic results after its implantation have been compared with those previously obtained. As a result, an increase in the number of students who passed the exams together with an improvement in the average marks has been observed, as well as a reduction in the number of student skipping the final exam.

ACS Style

F.J. Trujillo; M.J. Martin; F. Martín; Lorenzo Sevilla. Design, Development and Implantation of Self-Assessment Tools in the Subject of Manufacturing Engineering in Engineering Degrees at the University of Malaga. Materials Science Forum 2016, 853, 24 -29.

AMA Style

F.J. Trujillo, M.J. Martin, F. Martín, Lorenzo Sevilla. Design, Development and Implantation of Self-Assessment Tools in the Subject of Manufacturing Engineering in Engineering Degrees at the University of Malaga. Materials Science Forum. 2016; 853 ():24-29.

Chicago/Turabian Style

F.J. Trujillo; M.J. Martin; F. Martín; Lorenzo Sevilla. 2016. "Design, Development and Implantation of Self-Assessment Tools in the Subject of Manufacturing Engineering in Engineering Degrees at the University of Malaga." Materials Science Forum 853, no. : 24-29.