MoS2 solid lubricant application in turning of AISI D6 hardened steel with PCBN tools

Suarez, Mauro Paipa; Marques, António Cardoso; Boing, Denis; Amorim, Fred L.; Machado, Álisson Rocha

doi:10.1016/j.jmapro.2019.10.001

Cited by 26 publications

(4 citation statements)

References 27 publications

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“…In this paper, the solid lubricant coating (SLC) was used to block the contact between C and Fe elements, decrease the cutting heat, and inhibit the graphitization of diamond coating. The application of SLC on cutting tools is widely studied, which significantly reduces cutting force and cutting temperature [14,15]. Excellent performance in reducing tool wear and is a very promising method for tool lubrication.…”

Section: Introductionmentioning

confidence: 99%

Synergistic Effect of WS2 and Micro-Textures to Inhibit Graphitization and Delamination of Micro-Nano Diamond-Coated Tools

Zhao

Xudong

et al. 2023

Crystals

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Diamond-coated tools often fail due to coating graphitization and delamination caused by poor coating adhesion, large contact stress, and thermochemical reactions. To address these issues, this research utilized a combination of micro-nano double-layer diamond coating, WS2 coating, and micro-textures. The WS2 coating inhibits the graphitization of the diamond coating through a transfer film mechanism, while the micro-textures and nanocrystalline diamond coating store WS2, resulting in a prolonged lubrication life. Additionally, the influence of micro-texture on coating-substrate residual stress and coating-substrate mechanical interlocking was discussed, and it was proved that proper micro-textures effectively improve the coating adhesion. Under the same cutting flux conditions, taking coating peeling as the judging standard, the cutting distance of textured WS2/Micro-Nano diamond coating tool is more than three times that of ordinary, diamond-coated tools, which greatly improves the service life of the tool.

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Section: Introductionmentioning

confidence: 99%

Synergistic Effect of WS2 and Micro-Textures to Inhibit Graphitization and Delamination of Micro-Nano Diamond-Coated Tools

Zhao

Xudong

et al. 2023

Crystals

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“…Researchers have deduced that adding a solid lubricant, such as CaF 2 , to ceramic tools can reduce tool wear [10][11][12]. Due to the relatively low mechanical properties of CaF 2 , a direct addition of CaF 2 to self-lubricating ceramic tools can significantly reduce their mechanical properties [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Effect of CaF2@SiO2 on Si3N4/TiC Composite Ceramic Materials: Molecular Dynamics Analysis and Material Preparation

Chen

et al. 2023

Crystals

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Molecular dynamics simulations allow to investigate the microscopic evolution of a structure, and can also point the way to tool material design. In this paper, the effect of adding CaF2 and CaF2@SiO2 on the Si3N4/TiC system is studied using molecular dynamics simulations. The results show that the system with the addition of CaF2@SiO2 to the model has a higher hardness than the system with the addition of CaF2. In order to obtain the optimum parameters for self-lubricating ceramic tools, the effect of adding different amounts of CaF2@SiO2 on the Si3N4/TiC system was investigated. The Si3N4/TiC/CaF2@SiO2 system achieved optimum mechanical properties when four CaF2@SiO2 were included in the model. By analyzing the effect of the sintering temperature on the system, it was deduced that the hardness achieved a maximum value of 15.89 GPa and the modulus of elasticity reached 132.53 GPa when the sintering temperature was at 2073 K. Based on this sintering parameter, the Si3N4/TiC/CaF2@SiO2 composite ceramic tool material was experimentally prepared with the mechanical properties of 15.66 GPa hardness and 128.08 GPa modulus of elasticity. The experimental results were consistent with the simulation results.

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“…Researchers globally have made ample efforts through numerous machining strategies for improving the efficiency of the turning operations. [5][6][7][8][9] The use of coolants and lubricants over the cutting zone decreases the cutting temperature significantly in the machining areas. The application of coolants decreases the friction at the work-tool interface and takes away the heat produced at the machining zone.…”

Section: Introductionmentioning

confidence: 99%

Performance assessment of energy efficient and eco-friendly turning of Nimonic C-263: A comparative study on MQL and cryogenic machining

Jadhav

Mohanty

2021

Proceedings of the Institution of Mechanical Engineers, Part B:

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Nimonic C-263 is predominantly used in the manufacturing of heat susceptible intricate components in the gas turbine, aircraft, and automotive industries. Owing to its high strength, poor thermal conductivity, the superalloy is difficult to machine and causes rapid tool wear during conventional machining mode. Moreover, the unpleasant machining noise produced during machining severely disrupts the tool engineer’s concentration, thereby denying a precise and environment friendly machining operation. Hence, close dimensional accuracy, superior machined surface quality along with production economy, and pleasant work environment for the tool engineers is the need of an hour of the current manufacturing industry. To counter such issues, the present work attempts to compare and explore the machinability of two of the most popular machining strategies like minimum quantity lubrication (MQL) and cryogenic machining process during turning of Nimonic C-263 work piece in order to achieve an ideal machining environment. The machining characteristics are compared in terms of surface roughness (SR), power consumption (P), machining noise (S), nose wear (NW), and cutting forces (CF) to evaluate the impact of machining variables like cutting speed (Vc), feed (f), and depth of cut (ap) with a detailed parametric study and technical justification. Yet again, an investigation is conducted to compare both the machining strategies in terms of qualitative responses like chip morphology, total machining cost, and carbon emissions. The study revealed that cryogenic machining strategy is adequately proficient over MQL machining to deliver energy proficient and gratifying work environment for the tool engineers by reducing the cost of machining and improving their work efficiency.

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MoS2 solid lubricant application in turning of AISI D6 hardened steel with PCBN tools

Cited by 26 publications

References 27 publications

Synergistic Effect of WS2 and Micro-Textures to Inhibit Graphitization and Delamination of Micro-Nano Diamond-Coated Tools

Synergistic Effect of WS2 and Micro-Textures to Inhibit Graphitization and Delamination of Micro-Nano Diamond-Coated Tools

Effect of CaF2@SiO2 on Si3N4/TiC Composite Ceramic Materials: Molecular Dynamics Analysis and Material Preparation

Performance assessment of energy efficient and eco-friendly turning of Nimonic C-263: A comparative study on MQL and cryogenic machining

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