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What is the value of thickness of recast layer obtained when power of 5 µJ is given?

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What is the value of thickness of recast layer obtained when power of 5 µJ is given?

(a) 1 µm

(b) 3 µm

(c) 5 µm

(d) 7 µm

I had been asked this question in an international level competition.

My question is from EDM-Heat Affected Zone (HAZ) in chapter Thermal Processes of Advanced Machining

1 Answer

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Best answer
The correct answer is (a) 1 µm

The best explanation: When a power of 5 µJ is given, recast layer thickness of 1 µm is obtained.

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