Calculating Electrode Erosion Rate in Arc Gas

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The discussion revolves around calculating the rate of erosion of an electrode sustaining an arc in a gas, intersecting the fields of physics and electrochemistry. The original poster sought assistance but ultimately found the necessary information on a high energy physics forum. It was concluded that experimental data specific to the modeled system is not readily available, indicating that personal experimentation is the most viable approach to obtain the required data.
Warpspeed13
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So I'm pretty sure this falls into both the realms of physics and electrochemistry. How would I calculate the rate of erosion of an electrode if it were sustaining an arc in a gas?
 
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Ahh sorry I missed this one. I got the answer I needed on the high energy physics forum. Turns out that basically the only way to get the data I want is to experiment myself since no one has it available for the system I'm modeling.
 

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