CV Lattes
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Universidade Federal de São Carlos (UFSCAR). Centro de Ciências Exatas e de Tecnologia (CCET) (Institutional affiliation from the last research proposal) Birthplace: Brazil
graduate at Processos de fabricação e máquinas-ferramenta from Technische Universität Darmstadt (2007). Has experience in Mechanical Engineering, focusing on Processes of Manufacture, acting on the following subjects: usinagem, monitoramento, desgaste. (Source: Lattes Curriculum)
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Considering the characteristics of cutting tools for machining processes, such as high hardness and low fracture toughness, adequate edge geometry is essential to withstand the mechanical loads resulting from the process. This geometry must be specific for different operating conditions and is usually designed based on trial-error methodologies and comparative experimental data. Within th…
After sintering, cemented carbide inserts are ground in order to improve the integrity of their edges, rake and flank faces. The importance of this step in the manufacturing chain of cemented carbide inserts is related to the influence of surface roughness on the friction in the cutting region and to the reduction of tool life due to edge chipping. Residual stresses must also be considere…
After sintering, cemented carbide inserts are ground in order to improve dimensional accuracy, integrity of their edges, rake and flank faces. The importance of this step in the manufacturing chain of cemented carbide inserts is related, among other factors, to the influence of surface roughness on the friction in the cutting region, to the effect of the geometry on the loads acting on th…
(Only some records are available in English at this moment)
Due to their high levels of hot hardness and chemical stability when in contact with ferrous materials, mixed ceramic (Al2O3 + TiC) cutting inserts are recommended for machining cast iron and hardened steel. Although they allow the application of higher cutting speeds and obtaining better finishes compared to cemented tungsten carbide, their use brings challenges, mainly due to their high…
(Only some records are available in English at this moment)
The evolution of tool wear in machining processes is commonly described by a curve divided into three main regions: (I) accelerated initial wear, (II) constant stable wear and (III) accelerated final wear at high levels. The loss of tool material in the first region causes a change in its geometry, adapting it to the tribological system and for the second region of the curve, increasing t…
The importance of surface and edge quality of cemented tungsten carbide inserts to increase tool life motivates a detailed study of the influence of grinding parameters on these factors. The reduction of friction through more regular surfaces and the strengthening of the edge by the decrease of chipping contribute to reduced forces, wear and to an increase in tool life. Within this contex…
(Only some records are available in English at this moment)
In the main project, the application of cutting inserts with adapted geometry was proposed in an attempt to avoid the first (accelerated) stage of the wear curve and, thus, to increase their life during turning of the Ti-15Mo alloy. In order to better understand the involved phenomena, this project is focused on analyzing the tool-workpiece contact and determining the friction coefficient…
| 1 / 1 | Ongoing grants |
| 4 / 4 | Completed research grants |
| 4 / 4 | Ongoing scholarships in Brazil |
| 6 / 6 | Completed scholarships in Brazil |
| 1 / 1 | Completed scholarships abroad |
| 16 / 16 | All research grants and scholarships |
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