Why Is Bainite Stronger Than Pearlite?
The Large Density of Dislocations in the Ferrite Present in Bainite, and the Fine Size of the Bainite Platelets, Makes This Ferrite Harder Than It Normally...
The large density of dislocations in the ferrite present in bainite, and the fine size of the bainite platelets, makes this ferrite harder than it normally would be. The temperature range for transformation of austenite to bainite (125–550 °C) is between those for pearlite and martensite.
Is bainite harder than pearlite?
The hardness of the reaction product also increases continuously with decreasing temperature, lower bainite being harder than upper bainite, which is harder than most fine pearlite.
What is basic difference between pearlite and bainite?
The key difference between pearlite and bainite is that the pearlite contains alternating layers of ferrite and cementite whereas the bainite has a plate-like microstructure. The names pearlite and bainite refer to two different microstructures of steel.
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