Modeling and Optimization of Turning Hastelloy C-276 under Sustainable Machining Environments

Abstract:

Due to their numerous applications in the aerospace, chemical, and nuclear power industries, environmentally responsible superalloy machining is a major problem in the current production environment. Additionally, Ni-based superalloys are regarded as difficult to manufacture because of their great strength under hot and chemically reactive settings. Therefore, it is necessary to machine these materials using adequate cooling and lubricating solutions. Current study has been based on the optimisation and modelling of turning Hastelloy C-276 under dry, flood, and least lubrication system. A Taguchi L-9 arrangement was used as plan of experiment and modeling was enabled through ANOVA, regression analysis and Taguchi optimization. The results depicted optimal parameters for surface roughness and temperature at v₂-f₁-d₁-CE₃ and v₁-f₂-d₁-CE₃. Likewise, for CRC and shear angle the best combination was observed at v₃-f₃-d₂-CE₂. From ANOVA analysis, the benefaction of C.E, depth of cut and feed rate on S.R been listed as 46.70%, 40.44% and 10.66%. Likewise, for temperature cutting speed has benefaction of (53.09%), cooling environment (23.94%), depth of cut (6.10%) and feed rate 5.49% . In similar fashion, CRC and Shear angle were influenced by feed rate and cutting speed having contribution of 62.89% and 5.15% respectively. Furthermore, minimum standard error between the fitted and observed values for S.R., temperature, CRC, and shear angle were calculated as 0.0149, 7.66, 0.267, and 1.80 units. Finally, the marginal reduction of cutting temperature and surface roughness through utilization of MQL implies the sustainable machining conditions.

• Periodical: Solid State Phenomena (Volume 356)
• Pages: 21-31
• DOI: https://doi.org/10.4028/p-Bj6VjW
• Online since: March 2024
• Authors: Balkar Singh*, Sehijpal Singh, Vivek Aggarwal, Gurpreet Singh
• Keywords: ANOVA, Chip Reduction Coefficient, Hastelloy, Surface Roughness, Sustainable Machining, Taguchi L-9, Temperature

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