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Innovative cryogenic processing for enhanced surface integrity characteristics of stainless steels
KITAY Ozhan, KAYNAK Yusuf
download PDFAbstract. In this study, the influence of the orthogonal cutting on the surface integrity characteristics of 316L austenitic stainless steel material under liquid nitrogen (LN2) condition was investigated. For this purpose, machining tests were carried out by applying LN2 to the cutting tool rake and flank face separately, and using different cutting parameters. In addition to the cutting force, the response of surface integrity characteristics such as microstructure, microhardness, and x-ray diffraction (XRD) analysis to LN2 was compared with dry cutting. The findings showed that the effect of different positioning of the LN2 nozzle on the cutting force and microhardness of the material is significant. In particular, the application of liquid nitrogen through the rake face significantly increases the microhardness of the material, while machined specimen microstructure images show that application of LN2 from the flank surface causes more grain refinement and deformation on the machined surface, especially at low cutting speed.
Keywords
Liquid Nitrogen (LN2), Cryogenic, Stainless Steel, Surface Integrity, Machining
Published online 4/24/2024, 10 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: KITAY Ozhan, KAYNAK Yusuf, Innovative cryogenic processing for enhanced surface integrity characteristics of stainless steels, Materials Research Proceedings, Vol. 41, pp 2103-2112, 2024
DOI: https://doi.org/10.21741/9781644903131-232
The article was published as article 232 of the book Material Forming
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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