Artigos - Engenharia Mecânica - FEB
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Synthesis of Viscoelastic Behavior Through Electromechanical Coupling
(Journal of Vibrational Engineering and Technologies, 2020) [Artigo]Background: Viscoelasticity is a property of materials that present elastic and viscous behavior when they experience deformation. The simplest model that can represent the viscoelastic behavior is generally called the ... -
Optimization of Axial Vibration Attenuation of Periodic Structure with Nonlinear Stiffness without Addition of Mass
(Journal of Vibration and Acoustics, Transactions of the ASME, 2020) [Artigo]We explore the vibration attenuation of a periodic structure when one absorber with nonlinear cubic stiffness is included without increasing the total mass. Metastructures, and specifically periodic structures, present ... -
Grinding performance of hardened steel: a study about the application of different cutting fluids with corrosion inhibitor
(International Journal of Advanced Manufacturing Technology, 2020) [Artigo]The use of cutting fluid in the grinding process is crucial to guarantee quality in the products. However, most cutting fluids can cause disease to operators and damage the environment, which adds costs to the industry, ... -
Study of Knock Sensors as Low-Cost Alternatives to Acoustic Emission Sensors
(IEEE Sensors Journal, 2020) [Artigo]The real-time monitoring of manufacturing processes is essential to achieve high-quality standards and uniformity at reduced costs. The monitoring of machining processes is usually performed by acoustic emission sensors, ... -
Optimum design of electromechanical vibration isolators
(JVC/Journal of Vibration and Control, 2020) [Artigo]Conventional vibration isolators have been used for a long time to isolate a receiver from a source of disturbance. Probably, the most popular example of vibration isolators can be found in automotive suspensions. In ... -
Erratum: Aulestia Viera, M., et al. A time–frequency acoustic emission-based technique to assess workpiece surface quality in ceramic grinding with pzt transducer. (Sensors 2019, 19, 3913)
(Sensors (Switzerland), 2020) [Errata]The authors wish to make the following erratum to this paper [1]. Funding and Acknowledgement are incorrect and must be replaced by the following Funding and Acknowledgements:. -
Toward sustainable grinding using minimum quantity lubrication technique with diluted oil and simultaneous wheel cleaning
(Tribology International, 2020) [Artigo]Minimum Quantity of Lubricant (MQL) has been used in the grinding process to make the process eco-friendlier. On the other hand, it brings some technical problems to this process: the clogging phenomenon, i.e., chips ... -
Multi-core and many-core SPMD parallel algorithms for construction of basins of attraction
(Journal of Theoretical and Applied Mechanics (Poland), 2019) [Artigo]Construction of basins of attraction, used for the analysis of nonlinear dynamical systems which present multistability, are computationaly very expensive. Because of the long runtime needed, in many cases, the construction ... -
Preliminary studies on additive manufacturing of over 95% dense 3Y zirconia parts via digital imaging projection
(Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2020) [Artigo]Additive manufacturing of ceramic materials has been evolving greatly. Yet, in the last 5 years, techniques based on lithography began to emerge with an emphasis on obtaining dense parts. The present work deals with the ... -
Electromechanical impedance (EMI) measurements to infer features from the grinding process
(International Journal of Advanced Manufacturing Technology, 2020) [Artigo]This paper discusses the correlations between the electromechanical impedance (EMI) technique and grinding parameters. The EMI technique applied in grinding is novel and has the advantage of employing cheaper equipment and ... -
Analysis of the tool nose radius influence in the machining of a green ceramic material
(International Journal of Advanced Manufacturing Technology, 2019) [Artigo]Advanced ceramics are applied to several technological applications, and they have special properties. However, the advanced ceramics have poor machinability at the sintered condition, the tool suffers a high tool wear ... -
Application of CAMQL technique on external cylindrical grinding of aisi 4340 steel with CBN grinding wheel
(Revista Materia, 2019) [Artigo]The grinding process provides us with good surface finish and good dimensional and geometric precision. Also, ground pieces have a high added value due to this process being a finishing one and is commonly carried out in ... -
A novel ultrasound technique based on piezoelectric diaphragms applied to material removal monitoring in the grinding process
(Sensors (Switzerland), 2019) [Artigo]The interest of the scientific community for ultrasound techniques has increased in recent years due to its wide range of applications. A continuous effort of researchers and industries has been made in order to improve ... -
Influence of ABS print parameters on a 3D open-source, self-replicable printer
(Rapid Prototyping Journal, 2020) [Artigo]Purpose: The purpose of this paper is to investigate and discuss the influence of printing parameters on the mechanical properties of acrylonitrile butadiene styrene (ABS) print by fused deposition modelling (FDM). The ... -
Tool condition monitoring of single-point dressing operation by digital signal processing of AE and AI
(11th Cirp Conference On Intelligent Computation In Manufacturing Engineering, 2018) [Trabalho apresentado em evento]This work aims at determining the right moment to stop single-point dressing the grinding wheel in order to optimize the grinding process as a whole. Acoustic emission signals and signal processing tools are used as primary ... -
Design of personal protective equipment: to promote of Brazilian artifacts with ergonomic attributes
(Occupational Safety And Hygiene - Sho2013, 2013) [Trabalho apresentado em evento]This research aims to investigate a topic sometimes overlooked among the research of ergonomics. Particularly, we treat the garments as personal protective equipment. In this study we abode on clothing produced and used ... -
Grinding comparative between ductile iron and austempered ductile iron under CBN wheel combined to abrasive grains with high and low friability
(International Journal Of Advanced Manufacturing Technology, 2020) [Artigo]The grinding process is a finishing operation that guarantees the surface of the workpieces with geometric and dimensional precision. This machining requires significant efforts to remove material, which can cause excessive ... -
Time-domain analysis based on the electromechanical impedance method for monitoring of the dressing operation
(11th Cirp Conference On Intelligent Computation In Manufacturing Engineering, 2018) [Trabalho apresentado em evento]Among the methods used in structural health monitoring (SHM), the electromechanical impedance technique (EMI), which uses piezoelectric transducers of lead zirconate titanate (PZT), stands out for its low cost. Then, this ... -
Mechanical and thermal effects of abrasive cut-off applied in low and medium carbon steels using aluminum oxide cutting disc
(International Journal Of Advanced Manufacturing Technology, 2020) [Artigo]Abrasive cutting is broadly applied to obtain structural and electromechanical parts for the industry, as well as metallographic specimens for research laboratories. However, the literature about this process is still ... -
Applications of texturization techniques on cutting tools surfaces-a survey
(International Journal Of Advanced Manufacturing Technology, 2020) [Artigo]The development of manufacturing processes advances in productivity and cost reduction. Industry 4.0 increasingly allows production to be automated, eliminating production errors and allowing the manufacture of mechanical ...