Rapid cooling traps carbon in BCT martensite (very hard, brittle); subsequent tempering 200-700 C precipitates carbides and restores toughness; TTT and CCT diagrams predict microstructure.
Rapid cooling traps carbon in BCT martensite (very hard, brittle); subsequent tempering 200-700 C precipitates carbides and restores toughness; TTT and CCT diagrams predict microstructure.