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Surface coating by means of velocity shear instability in plasma

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Abstract

In this paper the effect of different parameters like magnetic field, homogenous direct-current electric field, shear scale length, temperature anisotropy, inhomogeneity in direct-current electric field and density gradient on ions velocity is discussed. A mathematical model for ions/micron size particles velocity is discussed and its values are calculated by taking experimental parameters and by applying computer technique. A model of plasma spray machine is also suggested, which contains plasma production with velocity shear instability in laboratory, powder injection and mass and momentum transfers between particles. The coating process by means of velocity shear instability in plasma has possibility to spray hard and arduous material (alloy) with minimum defects and maximum technical and economic efficiency.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Birla Institute of Technology Mesra Ranchi, Jharkhand, India

    R. K. Tyagi & A. Kumar

  2. Department of Applied Physics, Amity School of Engineering and Technology, Amity University Uatter Pradesh, Noida, India

    R. S. Pandey

Authors
  1. R. K. Tyagi
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  2. R. S. Pandey
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  3. A. Kumar
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Correspondence to R. K. Tyagi.

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Tyagi, R.K., Pandey, R.S. & Kumar, A. Surface coating by means of velocity shear instability in plasma. Theor Found Chem Eng 46, 508–514 (2012). https://doi.org/10.1134/S0040579512050193

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  • DOI: https://doi.org/10.1134/S0040579512050193

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