Investigation of the effects of laser power and gas pressure on the top and bottom HAZ widths in AISI 1040 steels

Yıl 2024, Cilt: 5 Sayı: 2, 163 - 175, 21.12.2024

Mehmet Şükrü Adin

https://doi.org/10.53525/jster.1583593

Öz

In this research, AISI 1040 steels, which are extensively used in different manufacturing industries, were used as workpieces to better comprehend the influences of laser beam cutting parameters on workpieces. In this context, such parameters as laser power, gas pressure and cutting speed were established as variable parameters. In present research, unlike the investigations available in the literature, the workpieces that started to be cut in a straight line were stopped 3 mm before the end of the cutting process. Thus, it could be possible to both see and investigate the top and bottom HAZ (Heat Affected Zone) widths occurring just outside the workpieces. Within the scope of the research, especially the top and bottom HAZ widths occurring in workpieces cut with a different method were investigated. At the gas pressure of 0.7 Bar, considering the largest and smallest bottom HAZ width values, it was studied out that the largest bottom HAZ width value (9.23 mm) was 32.83% larger than the smallest bottom HAZ width value (6.95 mm). On the other side, considering the largest and smallest top HAZ width values, it was studied out that the largest top HAZ width value (5.33 mm) was 71.39% larger than the smallest top HAZ width value (3.11 mm). At 1.4 Bar gas pressure, considering the largest and smallest bottom HAZ width values, it was found that the largest bottom HAZ width value (11.47 mm) was 28.19% larger than the smallest bottom HAZ width value (8.95 mm). On the other side, considering the largest and smallest top HAZ width values, it was studied out that the largest top HAZ width value (6.79 mm) was 42.95% larger than the smallest top HAZ width value (4.75 mm). Additionally, considering the largest and smallest average HAZ width values based on gas pressure of 0.7 Bar and 1.4 Bar, it was found that the largest the average HAZ width values were 33.29% and 44.75% larger than the smallest the average HAZ width values, respectively.

Anahtar Kelimeler

AISI 1040 steel, Fiber laser cutting, laser machining, Top and bottom HAZ widths, Kerf width

Etik Beyan

Dear Editor; I confirm that the work described has not been published previously, that it is not under consideration for publication elsewhere, that its publication is approved and that, if accepted, it will not be published elsewhere in the same form, in English or in any other language, without the written consent of the Publisher. I hope that the manuscript is suitable for the publication in an exclusive journal, Journal of Science, Technology and Engineering Research. Yours sincerely, with best regards. *Asst. Prof. Dr. Mehmet Şükrü Adin1 *Corresponding Author

Kaynakça

• [1] Adin, M. Ş. (2024). Effects of cutting geometries and cutting parameters on the surface roughness and kerf width of X60 steel machined by laser beam. Journal of Materials Engineering and Performance, 1-20.
• [2] Amaral, I., Silva, F., Pinto, G., Campilho, R., & Gouveia, R. (2019). Improving the cut surface quality by optimizing parameters in the fibre laser cutting process. Procedia Manufacturing, 38, 1111-1120.
• [3] Batishcheva, K., Kuznetsov, G., Orlova, E., & Vympina, Y. N. (2021). Evaporation of colloidal droplets from aluminum–magnesium alloy surfaces after laser-texturing and mechanical processing. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 628, 127301.
• [4] Callister, W. D., & Rethwisch, D. G. (2020). Materials science and engineering: an introduction: John Wiley & Sons.
• [5] Dieter, G. (1997). Materials Selection and Design ASM Handbook. ASM International Handbook Committee, 20.
• [6] Guo, C., & Singh, S. C. (2021). Handbook of Laser Technology and Applications: Lasers Applications: Materials Processing and Spectroscopy (Volume Three): CRC Press.
• [7] Gupta, M. K., Singh, G., & Sood, P. K. (2015). Experimental investigation of machining AISI 1040 medium carbon steel under cryogenic machining: a comparison with dry machining. Journal of the Institution of Engineers (India): Series C, 96, 373-379.
• [8] Hilton, P. A., Lloyd, D., & Tyrer, J. R. (2016). Use of a diffractive optic for high power laser cutting. Journal of Laser Applications, 28(1).
• [9] Kannatey-Asibu, E. (2023). Principles of Laser Materials Processing: Developments and Applications. John Wiley & Sons, Inc., 1-611.
• [10] Karatas, C., Keles, O., Uslan, I., & Usta, Y. (2006). Laser cutting of steel sheets: Influence of workpiece thickness and beam waist position on kerf size and stria formation. Journal of materials processing technology, 172(1), 22-29.
• [11] Kardan, M., Levichev, N., Castagne, S., & Duflou, J. R. (2023). Dynamic beam shaping requirements for fiber laser cutting of thick plates. Journal of Manufacturing Processes, 103, 287-297.
• [12] Khdair, A. I., & Melaibari, A. A. (2023). Experimental evaluation of cut quality and temperature field in fiber laser cutting of AZ31B magnesium alloy using response surface methodology. Optical Fiber Technology, 77, 103290.
• [13] Liu, Y., & Zhang, S. (2024a). Improving the cutting process and quality of thick plates with high-power fiber laser. Optical Fiber Technology, 83, 103684.
• [14] Liu, Y., & Zhang, S. (2024b). Modeling of separation speed in thick plate cutting with a high-power fiber laser. Optics & Laser Technology, 177, 111130.
• [15] Powell, J., Al-Mashikhi, S., Kaplan, A., & Voisey, K. (2011). Fibre laser cutting of thin section mild steel: An explanation of the ‘striation free’effect. Optics and Lasers in Engineering, 49(8), 1069-1075.
• [16] Rao, K. V., Raju, L. S., Suresh, G., Ranganayakulu, J., & Krishna, J. (2024). Modelling of kerf width and surface roughness using vibration signals in laser beam machining of stainless steel using design of experiments. Optics & Laser Technology, 169, 110146.
• [17] Salem, H. G., Mansour, M. S., Badr, Y., & Abbas, W. A. (2008). CW Nd: YAG laser cutting of ultra low carbon steel thin sheets using O2 assist gas. Journal of materials processing technology, 196(1-3), 64-72.
• [18] Sargar, T., Jadhav, A., & Gautam, N. K. (2023). Experimental study of heat affected zone for CO2 and fiber laser machining of SS 316L material. Materials Today: Proceedings.
• [19] Scintilla, L., & Tricarico, L. (2012). Estimating cutting front temperature difference in disk and CO2 laser beam fusion cutting. Optics & Laser Technology, 44(5), 1468-1479.
• [20] Shin, J. S., Oh, S. Y., Park, H., Chung, C.-M., Seon, S., Kim, T.-S., . . . Lee, J. (2018). Laser cutting of steel plates up to 100 mm in thickness with a 6-kW fiber laser for application to dismantling of nuclear facilities. Optics and Lasers in Engineering, 100, 98-104.
• [21] Steen, W. M., & Mazumder, J. (2010). Laser material processing. Springer science & business media, Fourth Edition, 1-577.
• [22] Wu, Z., Liu, Y., Wang, S., Zhang, Y., Li, C., & Zhang, Z. (2024). Research on the influence of laser process parameters on the quality of magnesium alloy laser cutting. The International Journal of Advanced Manufacturing Technology, 1-15.
• [23] Wu, Z., Wang, S. J., Zhang, Y., Liu, Y. L., Huang, L. J., & Wu, R. Z. (2023). Effect of Laser Power on Processing Quality of AZ31B Magnesium Alloy. Journal of Materials Engineering and Performance, 32(24), 11457-11465.
• [24] Wu, Z., Wang, S. J., Zhang, Y., Xue, B., Yang, C. M., Wan, J. Q., & Song, J. Y. (2023). Effect of Laser Cutting Process Parameters on the Cutting Quality of AZ31B Magnesium Alloy. Journal of Materials Engineering and Performance, 32(11), 5201-5210.
• [25] Yu, L. (1997). Three-dimensional finite element modelling of laser cutting. Journal of materials processing technology, 63(1-3), 637-639.