While it cools through this zone Fe 3 C is deposited on the austenite grain boundaries and the austenite composition ... This structure makes the alloy more brittle than the eutectoid pearlite ...

The joining of two steel plates (pearlite ... In (a) the system is shown with a central molten region and austenite produced by local heating of the pearlite. In (b) the weld has cooled to room ...