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Batako, A An experimental investigation into the enhancement of surface quality of Inconel 718 through axial ultrasonic vibration assisted grinding in Dry and MQL environments. Journal of Manufacturing and Materials Processing. ISSN 2504-4494 (Accepted)
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Inconel-718-ultrasonic vibration grinding MQL-Nov-2024.pdf - Accepted Version Available under License Creative Commons Attribution. Download (1MB) | Preview |
Abstract
Ultrasonic vibration assisted grinding (UVAG) has proven to be beneficial for grinding difficult-to-machine materials. This work attempts to enhance grinding performance of Inconel 718 through a comprehensive study of UVAG characteristics. Grinding experiments are performed in both dry and Minimum Quantity Lubrication (MQL) environments and assessment of the grinding forces, specific energy, residual stress, and surface topography have been done. A substantial reduction of both surface roughness and grinding force components have been observed in UVAG compared to conventional grinding (CG). Utilizing UVAG with MQL at the maximum vibration amplitude led to a 64% reduction in tangential grinding force and a 51% decrease in roughness parameter, Ra, when compared to CG conducted in a dry environment. The high frequency indentations of the abrasives in UVAG generated compressive residual stresses on the ground surface. Surface parameters point to uniform texture and SEM images show widening of abrasive grain tracks on the workpiece surface during UVAG. The utilisation of UVAG under MQL produced a synergistic impact and resulted in the lowest grinding forces, specific energy, and optimal surface quality among all the grinding conditions investigated. Overall analysis of results indicate that the axial configuration of the vibration set-up is favourable for UVAG, and high frequency periodic separation-cutting characteristic of the process improves the lubricating efficiency and grinding performance
| Item Type: | Article |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Engineering |
| Publisher: | MDPI |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 11 Nov 2024 11:20 |
| Last Modified: | 11 Nov 2024 11:30 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/24731 |
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