Investigation into mechanical properties of austempered ductile cast iron (ADI) in accordance with austempering temperature

This work concerns mechanical properties of an austempered ductile cast iron (ADI). Samples alloyed with copper and molybdenum were austenitized at 910 °C for 90 min and subsequently austempered in a salt bath over a range of temperatures from 350 °C to 410 °C to obtain favorable mechanical properties such as tensile strength, elongation, and fracture toughness. Those properties were compared from various austempering heat treatments.