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    A Short Review on Measurement Methods in Machining of Aerospace Materials
    (Institute of Electrical and Electronics Engineers Inc., 2023) Korkmaz, M.E.; Gupta, M.K.; Krolczyk, J.B.; Krolczyk, G.M.; Li, Z.; Ross, N.S.
    In-process measurements are becoming more and more popular among businesses as a result of the numerous benefits they provide, including reduced production costs, improved product quality, and real-time analysis of both production and product quality of aerospace materials. It is anticipated that the method of measuring manufactured components known as 'in-process measurement' will become the standard practice in the not too distant future. After a description of the in-process measurement methods with the developed examples, an explanation of the usage of machine tools as a measurement device will be provided in this paper, along with the needs, issues, and challenges, and recent research work. © 2023 IEEE.
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    Wear and Friction Mechanism of Stainless Steel 420 Under Various Lubrication Conditions: A Tribological Assessment With Ball on Flat Test
    (American Society of Mechanical Engineers (ASME), 2023) Gupta, M.K.; Demirsoz, R.; Korkmaz, M.E.; Ross, N.S.
    The application of stainless steel 420 is noted in various industrial sectors such as aerospace, automobile etc. However, the wear mechanism of stainless steel 420 is greatly affected by the use of 100Cr6 balls due to the adhesion and abrasion mechanism generated between the contact surfaces. In this work, the ball-on-flat experiments were performed on stainless steel-420 versus 100cr6 friction pairs under dry, minimum quantity lubrication (MQL) and pool conditions. Then, the wear studies in terms of volume loss, profile tracks, micrographs, coefficient of friction, etc. were performed. The results demonstrated that the MQL and pool conditions help to improve the tribological properties of stainless steel 420 alloy against 100Cr6 ball. Copyright © 2022 by ASME; reuse license CC-BY 4.0.