Parameter optimization for wire-cut electrical discharge machining of stir cast AA6063 alloy/SiC (black and green) using Taguchi method with grey relational analysis

• Autorzy: Raj Kumar R. , Prasanna Gnana , Hikku G. S.

Identyfikatory

DOI

10.2478/msp-2022-0011

• Języki publikacji: EN

Abstrakty

EN

The present investigation aimed to determine the optimal parameters for wire-cut electrical discharge machining (WEDM) for stir cast aluminum alloy AA6063 at 850°C reinforced with 10 wt.% green SiC (SiC_g) and black SiC (SiC_b) particles. The WEDM machining parameters, such as pulse on time (T_ON), wire feed (WF) rate, and flushing pressure (FP) of the resultant stir cast AA6063/SiC_b and AA6063/SiC_g composites, were optimized using the Taguchi method with L9 orthogonal array to estimate the responses, such as surface roughness and metal removal rate. Further, through grey relational analysis, the finest parameters for WEDM of AA6063/SiC_b and AA6063/SiC_g composites were evaluated as T_ON = 50 μs, WF rate = 18 m/min, and FP = 3 MPa. With the optimum parameters obtained, conformational experiments were conducted, and the scanning electron microscopic images were recorded, along with the energy-dispersive X-ray (EDX) spectroscopic data of the worn surfaces and debris. From the EDX mapping images of the machined surface, it was evident that AA6063/SiC_b displays a more polished surface than AA6063/SiC_g. However, for applications requiring a high metal removal rate, AA6063/SiC_g displays better results than AA6063/SiC_b.

Słowa kluczowe

EN

AA6063; silicon carbide; wire-cut electrical discharge machining; stir cast; Taguchi method; grey relational analysis

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2022
• Tom: Vol. 40, No. 1
• Strony: 68--83
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Raj Kumar R.

• Department of Mechanical Engineering, Mepco Schlenk Engineering College, Sivakasi – 626005, Tamilnadu, India

autor

Prasanna Gnana

• Department of Mechanical Engineering, Jayamatha Engineering College, Muppandal, Aralvaimozhi – 629301, Tamilnadu,India

autor

Hikku G. S.

• Medical Bionanotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, ChettinadAcademy of Research and Education, Kelambakkam – 603103, Tamilnadu, India

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