Question
Download Solution PDFThe principle of material removal in electro-chemical machining is _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Electrochemical machining is based on the electrolysis process.
The electrolysis process is governed by the following two laws proposed by Faraday.
- The amount of chemical change produced by an electric current i.e. the amount of any material dissolved or deposited is proportional to the quantity of electricity passed.
- The amounts of different substances dissolved or deposited by the same quantity of electricity are proportional to their chemical equivalent weights.
Mathematically,
M ∝ Itε
\(M = \frac{{It\varepsilon }}{F}\)
Where,
M = weight (in grams) of material dissolved or deposited
I = current (in amperes)
ε = gram equivalent weight of the material
F = Faraday’s constant = 96,500 Coulombs
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