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Study of Gas Film and its Effect on the Electrochemical Discharge Machining Process

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2018, MS, University of Cincinnati, Engineering and Applied Science: Mechanical Engineering.
The upsurge in product miniaturization in different field such as chemical, MEMS, optical and biomedical industry demands for materials with robust mechanical, chemical and optical properties. Advanced engineering materials like ceramics and composites have the capability to deliver these desired functionalities. However, micromachining of such brittle materials poses considerable machining challenges. Electrochemical discharge machining (ECDM) is a promising method, particularly for the micromachining of non-conductive advanced materials with minimal surface damages. However, controlling the precision of machining in ECDM remains a challenge due to highly stochastic nature of the process. ECDM is a thermal machining process in which material is removed from the workpiece by the electrical discharges at the tool. Energy and spread of these discharges are controlled by the behavior of the gas film forming at the tool. In this work, the behavior of the gas film is studied and its effect on the material removal is analyzed. The focus of this study includes characterizing the gas film, understanding the gas film formation, analyzing the effect of experimental process parameters on the gas film and predicting the gas film formation along with the material removal by finite element analysis of the ECDM process.
Murali Sundaram, Ph.D. (Committee Chair)
Jay Kim, Ph.D. (Committee Member)
Jing Shi, Ph.D. (Committee Member)
81 p.

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Citations

  • Kolhekar, K. R. (2018). Study of Gas Film and its Effect on the Electrochemical Discharge Machining Process [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1522419144100495

    APA Style (7th edition)

  • Kolhekar, Ketaki. Study of Gas Film and its Effect on the Electrochemical Discharge Machining Process. 2018. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1522419144100495.

    MLA Style (8th edition)

  • Kolhekar, Ketaki. "Study of Gas Film and its Effect on the Electrochemical Discharge Machining Process." Master's thesis, University of Cincinnati, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1522419144100495

    Chicago Manual of Style (17th edition)