RSS 1.0Artigos - Engenharia Mecânica - FEB
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Wheel wear and workpiece surface analyses after grinding hardened steel with minimum quantity lubrication technique assisted with wheel cleaning jet (MQL-AWCJ)
; Bianchi, E. C.
; ; De Aguiar, P. R. ; Baptista, F. G. ; (73rd Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2018, 2018) [Trabalho apresentado em evento]
Minimum Quantity Lubrication (MQL) technique has been consolidated in the machining processes as an alternative to conventional technique because of its cleaner production characteristics. However, for grinding process ... -
Optimization of an irreversible Otto and Diesel cycles based on ecological function
; Oliveira, Santiago D.R.; Scalon, Vicente L. ; Padilha, Alcides (Thermal Science, 2018) [Artigo]
In this work, a mathematical model is presented for the irreversible Otto and Diesel cycles using finite time thermodynamics. The cycle is analyzed between two reservoirs with infinite thermal capacitances, where the ... -
Comparative analysis of two CBN grinding wheels performance in nodular cast iron plunge grinding
de Martini Fernandes, Lucas; Lopes, José Claudio ; Volpato, Roberta Silveira ; Diniz, Anselmo Eduardo ; ; de Aguiar, Paulo Roberto ; de Mello, Hamilton José ; Bianchi, Eduardo Carlos (International Journal of Advanced Manufacturing Technology, 2018) [Artigo]
The extensive tribological use of nodular cast iron in ground transport industry, e.g., trains and automobiles, has brought growing scientific interest. The various applications of this material are due to the versatility ... -
On the dynamics of a vibration isolator with geometrically nonlinear inerter
Moraes, Fernandode Haro; Silveira, Marcos ; Gonçalves, Paulo J. Paupitz (Nonlinear Dynamics, 2018) [Artigo]
The inerter is a two-terminal mechanical element that produces forces directly proportional to the relative acceleration between these terminals. The linear behaviour of this element has already been described in the ... -
Refrigeration capacity of silver nanofluids under electrohydrodynamic effect oriented to heat removal in machining process
Fragelli, Renan Luis; Sanchez, Luiz Eduardo de Angelo ; Ingraci Neto, Rubens Roberto ; Scalon, Vicente Luiz (Experimental Thermal and Fluid Science, 2018) [Artigo]
Nanofluids have been the focus of many laboratories and research centres which seek practical applications for them. Considering the challenges in machining process related with the high temperature in the cutting zone and ... -
Study of abrasive cutting of natural quartz for manufacturing piezoelectric power generators
; ; Foschini, C. R.; (Materials Science Forum, 2018) [Trabalho apresentado em evento]
The present study is related with the dicing of natural quartz crystals as part of the process manufacturing of a power generator device. Power generation is important, mainly for wifi systems, which use of batteries is ... -
Tool condition monitoring of aluminum oxide grinding wheel using AE and fuzzy model
Alexandre, Felipe Aparecido; Lopes, Wenderson Nascimento ; Lofrano Dotto, Fábio R. ; Ferreira, Fábio Isaac ; Aguiar, Paulo Roberto ; Bianchi, Eduardo Carlos ; Lopes, José Cláudio (International Journal of Advanced Manufacturing Technology, 2018) [Artigo]
The grinding process is situated at the end of the machining chain, where geometric and dimensional characteristics and high-quality surface are required. The constant use of cutting tool (grinding wheel) causes loss of ... -
Condition monitoring of structures under non-ideal excitation using low cost equipment
Paupitz Gonçalves, Paulo J.; Silveira, Marcos (Probabilistic Prognostics and Health Management of Energy Systems, 2017) [Capítulo de livro]
Monitoring the integrity of structures and machines is an evergrowing concern in engineering applications. Better knowledge of structural conditions allows optimized maintenance cycles, increasing the availability and ... -
Wear monitoring of single-point dresser in dry dressing operation based on neural models
Junior, Pedro O.; Souza, Rubens V. ; Ferreira, Fábio I. ; Martins, Cesar H. ; Aguiar, Paulo R. ; Bianchi, Eduardo C. (Proceedings of the IASTED International Conference on Modelling, Identification and Control, 2017) [Trabalho apresentado em evento]
The monitoring of different machining processes has been studied for years, however many processes still do not have a final solution for their controls. The dressing, as it is of great importance in the finishing of ... -
Contribuição ao processo de afiação de ferramentas monocortantes de aço rápido
; ; ; Ruzzi, Rodrigo De Souza; Bianchi, Eduardo Carlos ; de Aguiar, Paulo Roberto (Revista Materia, 2017) [Artigo]
Despite of technological advances in developments of cutting tools such as carbide inserts, ceramic materials and others in the last three decades, some of cutting tools still needs to have their cutting geometry restored ... -
Prediction of Dressing in Grinding Operation via Neural Networks
; ; ; De Aguiar, Paulo R.; Bianchi, Eduardo C. ; (Procedia CIRP, 2017) [Trabalho apresentado em evento]
In order to obtain a modelling and prediction of tool wear in grinding operations, a Cognitive System has been employed to observe the dressing need and its trend. This paper aims to find a methodology to characterize the ... -
Performance evaluation of various cooling-lubrication techniques in grinding of hardened AISI 4340 steel with vitrified bonded CBN wheel
Damasceno, Ricardo Fernando; Ruzzi, Rodrigo de Souza ; França, Thiago Valle ; de Mello, Hamilton José ; ; de Aguiar, Paulo Roberto ; Bianchi, Eduardo Carlos (International Journal of Advanced Manufacturing Technology, 2017) [Artigo]
In the grinding process, to achieve improved tribological conditions between wheel-chip-workpiece interfaces and minimize the effects of thermal damages, such as loss of hardness and cracks for example, it is needed to ... -
Multiferroic (NiZn) Fe2O4–BaTiO3 composites prepared from nanopowders by auto-combustion method
; ; ; ; ; Foschini, C. R.; Zaghete, M. A. ; (Ceramics International, 2015) [Artigo]
Nickel zinc ferrite (NZF) and barium titanate (BT) were prepared by auto-combustion synthesis as an effective, simple and rapid method. Multiferroic composites with the general formula yNi1−xZnxFe2O4−(1−y)BT (x=0.3, 0.5, ... -
Influence of Combination of Multi-jet nozzle and low flow rate of cutting fluid on the microstructure during through-feed centerless grinding of SAE 52100 steel
; ; ; Bianchi, E. C.; (Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2016, 2016) [Trabalho apresentado em evento]
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Replacement of metallic parts for polymer composite materials in motorcycle oil pumps
Mancini, Sandro Donnini; Santos Neto, Antídio De Oliveira ; Cioffi, Maria Odila Hilário ; Bianchi, Eduardo Carlos (Journal of Reinforced Plastics and Composites, 2017) [Artigo]
A feasibility study was conducted to determine the use of polyphthalamide/glass-fiber and polyphthalamide/glass-fiber/polytetrafluoroethylene-based composites as substitutes for aluminum and steel, respectively, in the ... -
Estimating high precision hole diameters of aerospace alloys using artificial intelligence systems: a comparative analysis of different techniques
Aguiar, P. R.; ; Gerônimo, T. M. ; Franchin, M. N. ; Bianchi, E. C. (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2017) [Artigo]
Monitoring metal removal in machining processes has proved to be essential for companies seeking a high level of excellence in the quality of their products and processes, contributing to improved resource allocation and ... -
Dynamic analysis for different finite element models of beams with viscoelastic damping layer
De Haro Silva, Lucas; Santade, Fransber ; Gonçalves, Paulo José Paupitz ; Sousa, Edson Antônio Capello (Proceedings of the International Conference on Structural Dynamic , EURODYN, 2014) [Trabalho apresentado em evento]
Many new viscoelastic materials have been developed recently to help improve noise and vibration levels in mechanical structures for applications in automobile and aeronautical industry. The viscoelastic layer treatment ... -
Retificação cilíndrica do aço VP50 utilizando o rebolo de carbeto de silício verde com a técnica de MQL
Fragoso, Kamira Miksza; Umberto, Derik Rios ; Barili, Ighor Costa ; Bianchi, Eduardo Carlos ; ; Aguiar, Paulo Roberto ; de Mello, Hamilton Jose (Revista Materia, 2016) [Artigo]
Grinding is a high heat generation process that requires large amount of coolant, therefore, its use in large-scale lead to research and development of new lubri-cooling techniques to attend technical requirements, ... -
Fatigue analysis of dental prostheses by finite element method (FEM)
Hernandez, Bruno Agostinho; Paterno, Alexander ; Sousa, Edson Antonio Capello ; De Oliveira Freitas, João Paulo ; Foschini, Cesar Renato (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2015) [Trabalho apresentado em evento]
Introduction and Objectives: The dental prostheses are typical biomechanical structures because they have the objective to restore the mastication functions and are responsible for replacing the original tooth that was ... -
Electronic multiplex system using the Arduino platform to control and record the data of the temperatures profiles in heat storage tank for solar collector
Avallone, Elson; ; Padilha, Alcides ; Scalon, Vicente Luiz (International Journal of Energy and Environmental Engineering, 2016) [Artigo]
This work aims to build a monitoring thermal system based on low cost and using the Arduino MEGA platform. To the temperature, measurements are used thirty (30) digital sensors (DS18B20 Dallas) boarded together using three ...