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Machinability study of Ti-6Al-4V alloy using solid lubricant

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Abstract

Cutting tool suffers rapidly during machining titanium-based alloys due to low thermal conductivity. Thus most of the heat is concentrated on the tool rather than chip during machining. To overcome this problem, a suitable cutting parameter, tool geometry, and sustainable methods are necessary. This paper presents the effect of MoS2 solid lubricant (SL), cutting speed, and nose radius during turning of Ti-6Al-4V alloy using the TiAlN coated carbide tool. The experiments are performed at different cutting speeds, nose radius, and flow rates of solid lubricant to study tool wear, surface roughness, and chip morphology. The results show that the use of solid lubricant reduces the tool wear (37%), and the surface roughness (65%) compared to the dry cutting. Similarly, the effects of nose radius and cutting speed have also been studied for both conditions.

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Acknowledgement

The authors thank Mr Subasha, Senior Lab. Technician in Machine Tool Laboratory, Mechanical Engineering Department, Indian Institute of Technology Delhi, for his support.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology, Delhi, India

    Asit Kumar Parida, Paruchuri Venkatswar Rao & Sudarsan Ghosh

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  1. Asit Kumar Parida
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  2. Paruchuri Venkatswar Rao
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Correspondence to Asit Kumar Parida.

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Parida, A.K., Rao, P.V. & Ghosh, S. Machinability study of Ti-6Al-4V alloy using solid lubricant. Sādhanā 45, 250 (2020). https://doi.org/10.1007/s12046-020-01405-2

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  • DOI: https://doi.org/10.1007/s12046-020-01405-2

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