Why does the central core have a different microstructure than the outer periphery? (More than one answer allowed.)
Hoekom het die middelkern 'n verskillende mikrostruktuur as die buiterant? (Meer as een antwoord toegelaat.)

Question

Why does the central core have a different microstructure than the outer periphery? (More than one answer allowed.) 
 Hoekom het die middelkern 'n verskillende mikrostruktuur as die buiterant? (Meer as een antwoord toegelaat.)

Answer

It experiences a slower cooling rate. 
 Dit ervaar 'n stadiger verkoelingstempo.

Answer

It has a higher carbon content. 
 Dit het 'n hoër koolstof inhoud.

Answer

It experiences a faster cooling rate. 
 Dit ervaar 'n vinnger verkoelingstempo.

Answer

It has a lower carbon content. 
 Dit het 'n laer koolstof inhoud.

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Why does the central core have a different microstructure than the outer periphe...

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