Work

Effect of V concentration in TiSiN monolayer coating on chip formation mechanism and chip sliding velocity during dry turning of Ti–6Al–4V alloy

Year: 2024

Type: article

Abstract: The current study examines how the self-lubricating characteristics of the novel TiSiVN coating affect the chip formation process and chip sliding velocity during the dry turning of Ti6Al4V titanium alloy. The serration bands tend to straighten at a cutting speed of 125 m/min, which is the main cause of the chips being straightened without tangling for both coated tools. TiSiVN coated tool accounts for higher chip sliding velocity due to the generation of lubricious phases, whereas the higher V S for uncoated tool indicates high tool wear at the highest cutting speed of 125 m/min. Further, r and θ n tend to have an inverse relationship with V S, with 125 m/min cutting speed remaining an exception due to severe changes in tool wear dynamics. The reduction of friction helped to lower the localized strain along the shear bands and the effective stress at the beginning of the formation of the serrated tooth.

Source: Journal of Materials Research and Technology

DOI: 10.1016/j.jmrt.2024.09.007

Authors: Ch Sateesh Kumar, Gorka Urbikain, Pablo Fernández De Lucio, Cristian Pérez-Salinas, Luis Norberto López De Lacalle, Filipe Fernandes

Institutions: University of the Basque Country, University of Coimbra, Universidade Técnica do Porto

Language: English

Topic: Advanced machining processes and optimization

Subfield: Mechanical Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $1,430