Desgaste e vida de ferramenta no torneamento de uma liga à base de níquel
Abstract
In the field of metal alloy machining, materials predominantly composed of nickel
alloys, with a focus on Inconel 718, present notable challenges, stemming from the
interplay of intense cutting forces and extreme temperatures in the cutting zone. This
combination triggers accelerated wear on cutting tools. This study proposes a
meticulous investigation of standardized turning parameters, using robust and widely
recognized criteria to discern their relevance and optimization potential. We centered
our analysis on multifaceted wear modes, encompassing flank wear, crater wear, and
the emerging formation of built-up edge, during the machining process, using
meticulously selected commercial inserts for this purpose. The application of the Taylor
model was chosen, an approach revered both in the academic world and in the
industrial sector, aiming for a discerning evaluation of the wear of cutting tools and
interpreting their intrinsic behavior in machining nickel alloys. The research
conclusions revealed eminent findings regarding the correlation between cutting
parameters and tool wear, laying solid groundwork for future strategies aimed at
extending tool durability and refining the quality of the final machined product.
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