Lara Souza Martins Fernandes in research grants and scholarships supported by FAPESP.
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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…
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…
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 scholarships in Brazil |
| 2 / 2 | Completed scholarships in Brazil |
| 1 / 1 | Completed scholarships abroad |
| 4 / 4 | All Scholarships |
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