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Home/Questions/Q 313
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Santosh Prakash
Santosh PrakashIron
Asked: April 8, 20202020-04-08T13:07:53+05:30 2020-04-08T13:07:53+05:30In: Physical Metallurgy & Heat treatment

Why during etching the image is black and white?

Why during etching the image is black and white?
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    3 Answers

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    1. Vishal Pambhar Gold Metallurgist, Standard Provider (IS, ASTM, BS, ISO etc), Laboratory Equipment Suppliers,
      2020-04-09T16:45:08+05:30Added an answer on April 9, 2020 at 4:45 pm

      It's difference Phase. And for that we do etching

      It’s difference Phase.

      And for that we do etching

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    2. [email protected] Platinum
      2020-04-28T14:30:12+05:30Added an answer on April 28, 2020 at 2:30 pm

      Etching is done to differentiate the phases present.

      Etching is done to differentiate the phases present.

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    3. C Patel Metallurgy Platinum⭐ GATE Metallurgy Coaching
      2020-12-02T11:49:47+05:30Added an answer on December 2, 2020 at 11:49 am

      One region like GB etches more and does not allow light to reflect back and makes it dark. Lighter one etches less and light gets reflected easily.

      One region like GB etches more and does not allow light to reflect back and makes it dark. Lighter one etches less and light gets reflected easily.

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