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Gsvenkat Venkat
Asked: 2022-02-01T13:15:42+05:30 In:

Gray cast iron metallography interpretation

What is mean by free carbon and combined carbon in the gray cast iron?

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    1. Platinum⭐ Metallurgical and Materials Engineering student

      Free carbon is the part of the total carbon in steel or cast iron that is present in elemental form as graphite or temper carbon. Free carbon in gray cast iron is graphite which is present in flake form and Combined carbon is the portion of the carbon in iron and steel that is chemically united in tRead more

      Free carbon is the part of the total carbon in steel or cast iron that is present in elemental form as graphite or temper carbon. Free carbon in gray cast iron is graphite which is present in flake form and

      Combined carbon is the portion of the carbon in iron and steel that is chemically united in the form of carbides —distinguished from graphitic carbon. Combined carbon in gray cast iron is iron carbide which is present in every case.

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