Evaluation of Cemented Carbide Tool Texturized by Ultrashort Laser Pulses
Ano: 2019
Instituições de ensino: Universidade de São Paulo, Universidade de São Paulo, Escola de Engenharia de São Carlos, Universidade Federal do Espírito Santo, Instituto de Pesquisas Energéticas e Nucleares, Instituto de Pesquisas Energéticas e Nucleares, Instituto de Pesquisas Energéticas e Nucleares, Pontifícia Universidade Católica do Paraná
Idioma: Portugues
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Resumo
The texturing obtained by ultrashort pulse lasers is capable to produce an ablation with minimal thermal damage, preserving the surrounding materials properties. Thus, it is possible to generate microtextures on the rake face of cutting tool to improve its performance. This paper aims to realize a comparison between two cemented carbide cutting tools, TPUN 160304, being one textured and another reference (non-textured), during austenitic stainless steel (V304UF) turning. The cutting parameters were kept constant. As comparison criteria, one measured the machining force, the flank wear of the tools and the arithmetic roughness along machining tests. The results point that the texturized tool presented a better overall behavior when compared to the reference tool.
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