An experimental investigation of wire breakage and performance optimisation of WEDM process on machining of recycled aluminium alloy metal matrix composite

• Autorzy: Kannan P. R. , Periasamy K. , Pravin P. , Vinod Kumaar J. R.

Identyfikatory

DOI

10.2478/msp-2022-0030

• Języki publikacji: EN

Abstrakty

EN

In this research, a novel aluminium metal matrix composite (AMMC) was developed using recycled aluminium alloy as a matrix with 5% alumina as reinforcement. The machining experiments were conducted by varying the input parameters such as voltage (V_s), wire feed rate (F_w), current (I_p), pulse on time (ON_T) and pulse off time (OFF_T), on wire breakage. The effect of voltage level and wire breakage frequency was analysed. The parameter combinations for machining the slot of size 5 mm width and 10 mm height with high machining rate (MR) and less surface roughness (R_a) were analysed using the Criteria Importance Through Intercriteria Correlation (CRITIC) and simple additive weighting (SAW) methods. The wire breakage frequency is lesser at minimum peak current. The optimal parameter combination for higher MR and lower R_a is found to be at 30 V, 7 mm/min, 30 A, 120 μs (ON_T) and 70 μs (OFF_T). Analysis of variance (ANOVA) is performed to understand the significant factors affecting the WEDM process. ANOVA results predict that wire feed rate and voltage contribute 47.82% and 21.23%, respectively, to MR; and pulse on time shows a 23.06% influence on surface roughness. Scanning electron microscopy (SEM) was used to ascertain the pattern of wire breakage in WEDM, and based on the results obtained from employing this technique, it is inferred that the erosion and breakage of the wire are not instantaneous and that a cone shape is formed on the either portion of the wire.

Słowa kluczowe

EN

zinc wire; microstructure; WEDM; alumina; current

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2022
• Tom: Vol. 40, No. 3
• Strony: 12--26
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Kannan P. R.

• Department of Mechanical and Automation Engineering, Mahendra Engineering College (Autonomous), Namakkal (Dt), Tamil Nadu, India-637 503

autor

Periasamy K.

• Department of Mechanical Engineering, Kongunadu College of Engineering and Technology, Trichy Dt, Tamil Nadu. India – 621 215

autor

Pravin P.

• Department of Mechanical Engineering, Graphic Era Deemed to be University, Dehradun, India-248 002

autor

Vinod Kumaar J. R.

• Department of Mechanical Engineering, Mahendra Engineering College (Autonomous), Namakkal (Dt), Tamil Nadu, India-637 503

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).