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Sliding Behavior of Secondary Phase SiC Embedded Alloyed Layer Doped Ti6Al4V Surfaces Ensuing Electro Discharge Machining

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Advanced Surface Enhancement (INCASE 2019)

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Abstract

The enhancement in process efficiency achievable by additive mixed electrical discharge machining during the processing of metal/alloy surfaces is a known facet. Nonetheless, its influence on the surface characteristics of the material remains scarcely evaluated. Hence, the evolution in tribological behavior of electrical discharge machined Ti6Al4V surfaces become the focal point of the present investigation. The process got assisted by silicon carbide powder (SiC, green, 1–10 μm) dispersed dielectric (de-ionized water) used as an insulator and the discharge medium. A computerized pin-on-disk tribometer (PoDT) was used to quantify the wear behavior of the developed surfaces. The experimentations varied based on distinction in the chosen speed (1.256 ms−1 (V1) and 1.884 ms−1 (V2)) and load (50 N and 100 N) conditions, respectively. The results depict that the tribological characteristics of the base material were enhanced by the surface doped heavily alloyed recast layer with secondary hard phases (SiC). At increased load (100 N), a catastrophic shift in wear mechanism caused by galling, led to the resultant delamination. The aftermath situation of implementing hard abrasives for surface modification is that at severe conditions (load/speed), the spalling of layers can have destructive effects on the mating surfaces.

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Acknowledgement

The authors extend their humble obligations to the Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Government of India for the research grand sanctioned for the project (Ref. No. ECR/2016/001929) through the aid of which this initiative was undertaken.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Institute of Technology Mizoram, Aizawl, 796012, Mizoram, India

    Jibin T. Philip & Basil Kuriachen

  2. Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, Delhi, India

    Deepak Kumar

  3. Department of Mechanical Engineering, National Institute of Technology Calicut, Calicut, 673601, Kerala, India

    Jose Mathew

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  1. Jibin T. Philip
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  2. Deepak Kumar
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  3. Jose Mathew
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  4. Basil Kuriachen
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Corresponding author

Correspondence to Basil Kuriachen .

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Editors and Affiliations

  1. Advanced Remanufacturing and Technology Centre (ARTC), A*STAR, Singapore, Singapore

    Sho Itoh

  2. Advanced Remanufacturing and Technology Centre (ARTC), A*STAR, Singapore, Singapore

    Shashwat Shukla

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Philip, J.T., Kumar, D., Mathew, J., Kuriachen, B. (2020). Sliding Behavior of Secondary Phase SiC Embedded Alloyed Layer Doped Ti6Al4V Surfaces Ensuing Electro Discharge Machining. In: Itoh, S., Shukla, S. (eds) Advanced Surface Enhancement. INCASE 2019. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-0054-1_17

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  • DOI: https://doi.org/10.1007/978-981-15-0054-1_17

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-0053-4

  • Online ISBN: 978-981-15-0054-1

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