Forthcoming and Online First Articles

International Journal of Machining and Machinability of Materials

International Journal of Machining and Machinability of Materials (IJMMM)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Machining and Machinability of Materials (2 papers in press)

Regular Issues

  • Investigation of Graphene based biodegradable acid oil as a plausible green metal working fluid in micro-drilling of Nimonic 90 superalloy   Order a copy of this article
    by Pratik Patil, Sachin K. Patil 
    Abstract: Nickel-based superalloys like Nimonic 90, play a crucial role in aero engine industries due to their exceptional thermal and corrosion resistance. Micro-drilling is essential for manufacturing engine components, but it poses challenges, particularly early tool damage in the case of nickel-based superalloys. Conventional mineral oil-based metal working fluids (MWFs) contribute to environmental and health issues. This study explores the use of biodegradable acid oil as an eco-friendly MWF in micro-drilling thermal barrier coated Nimonic 90. Tungsten carbide drills with Titanium aluminium nitride coating were employed under dry, flood, and nanofluid minimum quantity lubrication (NMQL) conditions at varying spindle speeds. Results indicate that NMQL, especially with a 0.5% weight concentration of graphene, achieves the lowest drilling temperature and minimal tool wear, making it a promising environmentally friendly alternative for micro-drilling nickel-based superalloys like Nimonic 90.
    Keywords: micro-drill; Nimonic 90 superalloy; biodegradable; acid oil; metal working fluids; thermal barrier coating; graphene nanofluid.
    DOI: 10.1504/IJMMM.2024.10062131
     
  • Machinability assessment of Inconel 718 under magnetic annealing   Order a copy of this article
    by Vishnu Sanap, Vasudev D. Shinde 
    Abstract: The machinability of Inconel 718 is assessed with and without magnetic annealed of the turning process under dry run. It was observed that as cutting speed increases, the shape of chips changes from continuous thick to small elemental chips, but as feed increases at constant cutting speed, thick chips are produced due to the large chip area available. Besides, the distance between two successive teeth and the valley of chips changes as the cutting condition changes, and the lowest distance between two teeth is observed at lower cutting speeds and feed rates. Besides, better surface roughness is observed at lower cutting speeds and lower feed rates due to lower tool wear. As the cutting speed and feed increase, the roughness of the workpiece gets reduced, and tool wear increases rapidly. The magnetic annealed condition, higher surface roughness, a lower tool wear rate, and an elemental chip shape were observed.
    Keywords: Inconel-718; magnetic; annealing; surface; wear; chip morphology.
    DOI: 10.1504/IJMMM.2024.10063181
     

 

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