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Experimental Investigation of Surface Roughness in Electric Discharge Machining of Hybrid Metal Matrix Composite

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Advances in Mechanical and Materials Technology (EMSME 2020)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

This study is an attempt to investigate the influence of selected input variables on very essential response parameters surface roughness (Ra) during die-sinking electrode discharge machining (EDM) of aluminum-based hybrid metal matrix composite (HMMC) using a copper electrode. The HMMC was developed through stir casting route with the parent metal (Aluminum 6063), reinforcement materials (silicon carbide (SiC) and boron carbide (B4C)), and magnesium (Mg). The trend of the graph suggests that Ra increases with an increase in voltage, current, and pulse on time but decreases with an increase in pulse off time. Moreover, the lowest value of Ra observed at spark gap at 5 mm, current at 5 A, and voltage at 25-V settings, and the highest Ra was obtained at pulse of time at 8 µm with spark gap at 7 mm and current at 10 A parameter settings.

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Abbreviations

R a :

Surface roughness

MRR:

Material removal rate

EWR:

Electrode wear rate

V :

Voltage

I p :

Current

T on :

Pulse on time

T off :

Pulse off time

S g :

Spark gap

Al:

Aluminum

10SiC:

10% wt of Silicon carbide

5B4C:

5% wt of boron carbide

Mg:

Magnesium

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Author information

Authors and Affiliations

  1. Mechanical Engineering Department, Faculty of Engineering and Technology, Manav Rachna International Institute of Research and Studies, Faridabad, Haryana, India

    Gurpreet Singh Matharou & B. K. Bhuyan

Authors
  1. Gurpreet Singh Matharou
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  2. B. K. Bhuyan
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Editor information

Editors and Affiliations

  1. Department of Technology and Innovation, University of Southern Denmark, Odense, Denmark

    Kannan Govindan

  2. Department of Mechanical Engineering, National Institute of Technology Delhi, New Delhi, India

    Harish Kumar

  3. Physico-Mechanical Metrology, CSIR—National Physical Laboratory, New Delhi, India

    Sanjay Yadav

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Matharou, G.S., Bhuyan, B.K. (2022). Experimental Investigation of Surface Roughness in Electric Discharge Machining of Hybrid Metal Matrix Composite. In: Govindan, K., Kumar, H., Yadav, S. (eds) Advances in Mechanical and Materials Technology . EMSME 2020. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-2794-1_30

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  • DOI: https://doi.org/10.1007/978-981-16-2794-1_30

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-2793-4

  • Online ISBN: 978-981-16-2794-1

  • eBook Packages: EngineeringEngineering (R0)

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