Mechanical Engineering - Engineering Materials - Discussion

35. 

The austenite is a solid solution of carbon or iron carbide in gamma-iron.

[A]. Correct
[B]. Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

K.Harish (Iiit) said: (Dec 29, 2015)  
Austenite forms above 727'c where the carbon percentage is 0.77 in iron. Austenite also called as gamma-iron which has fcc crystal structure.

Durgesh said: (Sep 5, 2016)  
Austenite is the solid solution of carbon in gamma-iron not iron carbide. Iron carbide is an intermetallic compound.

Neeta said: (Dec 9, 2017)  
Austenite is solid solution of carbon in Iron and not Iron carbide in Iron.

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