Evaluation of Cemented Carbide Tool Texturized by Ultrashort Laser Pulses

por: Gustavo Severino de Almeida, Reginaldo Coelho, Marcelo Bertolete Carneiro, Patrícia Alves Barbosa, Wagner de Rossi, Ricardo Samad, NIlson Vieira, Álisson Rocha Machado

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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 material’s 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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