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Question

1. Explain the difference
between ‘eutectic’ and ‘eutectoid’.
2. Explain the terms
‘hyper-­‐ and hypoeutectoin ’and
‘hyper-­‐ and hypoeutectic
13 years ago

Answers

Anonymous
Considering iron-iron cementite phase diagram eutectic reaction occurs at 4.3%c where liquid decomposes slowly to form Austenite and cementite

while on the other hand Eutectoid reaction occurs at 2.14%c where Austenite decomposes to form ferrite and cementite and this occurs at 723degee celcious.
7 years ago

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