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Date of download: 10/31/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Experimentally obtained voltage-gap domain at different electrical conductivities of water (σ0) showing discharge probability at each voltage-gap combination. White square represents probability ≥0.5, and gray represents probability <0.5: (a) σ0 = 4 μS/cm, (b) σ0 = 362 μS/cm, (c) σ0 = 1106 μS/cm, and (d) σ0 = 4116 μS/cm.

2 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Three-dimensional image of a typical micro-EDM crater showing positive and negative volumes: (a) 3D view and (b) side view

3 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Typical voltage and current waveforms of a successful micro-EDM discharge and a failed micro-EDM discharge (no discharge): (a) successful discharge and (b) no discharge

4 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Effect of water conductivity (σ0) on crater erosion volume at different gap distances and open gap voltage of 200 V

5 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Schematic of the micro-EDM plasma model formulation [22]

6 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Plot of wt.% of NaCl versus the electrical conductivity of the solution [24]

7 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Model-based prediction of voltage-gap domain at different electrical conductivities of water (σ0) obtained using micro-EDM plasma model. White square represents successful simulation of micro-EDM discharge at the voltage-gap combination, and dark square represents failure of the discharge predicted from the model. (c) σ0 = 1106 μS/cm and (d) σ0 = 4116 μS/cm.

8 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Model prediction of minimum breakdown potential versus gap distance for different water conductivities

9 Date of download: 10/31/2017 Copyright © ASME. All rights reserved. From: Effect of Dielectric Electrical Conductivity on the Characteristics of Micro Electro-Discharge Machining Plasma and Material Removal J. Micro Nano-Manuf. 2016;4(2): doi: / Figure Legend: Model-based prediction of the effect of water conductivity (σ0) on the plasma characteristics at V0 = 200 V and L = 1 μm: (a) time-averaged electron density, (b) time-averaged plasma resistance, (c) total discharge energy, (d) time-averaged electron temperature, (e) time-averaged heat flux at anode, and (f) final plasma radius and time-averaged pressure (note suppressed zero)


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