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LM of grey cast iron

LM of grey cast iron

A630/0280

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Credit

ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY

Caption

Light micrograph of 'grey' cast iron in thin section. Cast iron is an alloy of iron and carbon, where the carbon content is 2.5% to 4%. At the high end of this range, the carbon is present as graphite, and forms a lamellar structure within the iron matrix. This is 'grey' cast iron. It is most suitable for applications requiring bulk, may be machined easily and has a hard, durable surface after casting. It has a low strength, however, compared to the lower carbon 'white' cast iron. Interference contrast illumination. Magnification x30 at 35mm size, x60 at 6x7cm size.

Release details

Model release not required. Property release not required.

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