GATE MT 2011 Q10. Which one of the following expands upon solidification?
GATE MT 2011 Q10. Which one of the following expands upon solidification?
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Gray cast iron
Gray cast iron
See lessCorrect answer is option D. Grey cast iron expands upon solidification, as graphite has a relatively high specific volume and it precipitates as graphite flakes during solidification, it causes a net expansion of the metal.
Correct answer is option D.
- Grey cast iron expands upon solidification, as graphite has a relatively high specific volume and it precipitates as graphite flakes during solidification, it causes a net expansion of the metal.
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