Abstract
Electrochemical jet machining of titanium alloy is presented in this paper, where the effects of major process parameters including pulse frequency and duty cycle on cavity dimensions and material removal rate were investigated and analyzed through experiments. A parametric model was also developed in this study for predicting the material removal rate and cavity profile. Although the use of high open voltage together with high pulse frequency and large duty cycle tended to produce a wide and deep cavity, a non-circular cavity with pitting holes formed around the cavity’s edge was usually obtained as a result. The open voltage of 25 V and duty cycle of 50% were suggested for preventing the formation of surface pitting and keeping the fabricated cavity to be a circular shape. In addition, the parametric model developed in this study was able to predict the material removal rate and cavity depth with a well agreement compared to the experiments. Regarding the experimental findings and model, the critical current density and average specific energy required for removing the titanium alloy by the electrochemical jet machining process were 6.2 A/cm2 and 4000 J/mm3, respectively.
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Funding
This study received financial support from the Petchra Pra Jom Klao Ph.D. Research Scholarship from King Mongkut’s University of Technology Thonburi, the Natural Science Foundation of Jiangsu Province (Grant no. BK20180875), and Thailand Science Research and Innovation (TSRI) under Fundamental Fund 2022 (Project: Advanced Materials and Manufacturing for Applications in New S-curve Industries).
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Ornsurang Netprasert: methodology, formal analysis, investigation, writing—original draft. Viboon Tangwarodomnukun: conceptualization; methodology; formal analysis; validation; visualization; writing—review and editing; supervision. Hao Zhu: writing—review and editing. Chaiya Dumkum: writing—review and editing.
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Netprasert, O., Tangwarodomnukun, V., Zhu, H. et al. Parametric analysis and modeling of electrochemical jet machining of titanium alloy. Int J Adv Manuf Technol 118, 3725–3736 (2022). https://doi.org/10.1007/s00170-021-08202-z
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DOI: https://doi.org/10.1007/s00170-021-08202-z