the influence of aluminium on the microstructure of austempered ductile cast iron (adi) has been studied. anumber of irons of different compositions have been made by green sand casting and gravity die casting ofappropriate design to provide the experimental materials. austenitising was carried out at different temperaturesand holding times for a variety of experimental irons to achieve suffici...

In order to suppress global warming, it is necessary reduce the weight of autobodies, whereas improvement collision safety automobiles required which results in a increase. Research and development high-strength steel sheets for autobodies are being carried out achieve both two objectives. Among various sheets, low alloy steels utilizing transformation-induced plasticity retained austenite (TRI...

It has been reported that the duplex bainite microstructure obtained by austempering (AT) shows higher strength, ductility and impact toughness than quench tempered (QT) martensite structure in SAE9254 spring steel. However, there seems to be no research on very high cycle fatigue (VHCF) tribology characteristics of for durability design next generation steel from perspective engineering indust...

The interrelationship between chemical composition, heat treatment parameters, and phase transformation, microstructural evolution the mechanical properties of austempered steel was studied. Two samples with different percentage composition carbon 0.56 0.76 were used for study. They austentized at respective temperatures 8000C, 8400C, 9000C 9600C 30 minutes. thereafter quenched using bitumen-pa...

Abstract This work evaluated the machinability characteristics of three different austempered ductile irons using indicators: cutting force, tool wear, and surface roughness. Additionally, this paper addresses interplay among production conditions ADIs, microstructural development, TRIP effect arising from transformations retained austenite into martensite, behavior ADIs. Various characterizati...