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Parametric Investigation of Various Electrolytes During Micro-electrochemical Texturing on Stainless Steel

  • Sandip KunarEmail author
  • Bijoy Bhattacharyya
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)

Abstract

Microsurface textures, especially micro-circular patterns, have played a significant role in many micromanufacturing applications, i.e., biomedical, aerospace, tribological, etc., for improving their functionality and service life. Micro-circular pattern enhances the product duration and functionalization of mechanical systems for enhancing machining efficiency. In this article, an alternative approach, i.e., maskless micro-electrochemical texturing process, namely maskless electrochemical micromachining (EMM) method, is introduced for generation of microsurface textures. The developed micro-electrochemical texturing setup consisting of EMM cell, electrode fixtures, electrical connections, electrolyte flow guiding scheme, etc., has been utilized for experiments. One masked patterned tool can produce more than twenty-five samples. Effects of EMM process variables, i.e., voltage, inter-electrode gap, duty ratio, and pulse frequency on machined responses such as overcut and surface roughness(Ra), have been investigated for three different types of electrolytes, i.e., NaNO3(0.17 M/L), NaCl(0.25 M/L), and NaCl(0.25 M/L) + NaNO3(0.17 M/L). An attempt has been done to analyze the influence of process variables using various micrographs, which are generated using three different electrolytes. The friction test has also been carried out to demonstrate the tribological effects of micro-circular patterned surfaces.

Keywords

Maskless EMM Micro-circular pattern Reusable SU-8 2150 mask Radial overcut Surface roughness (Ra

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Production EngineeringJadavpur UniversityKolkataIndia

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