structural steels with very high strength levels are often referred to as ultrahigh-strength steels (uhss). the usage of uhss has been extensively studied in aerospace industries and offshore platforms. in this study, medium carbon low alloy steel (ams6305) was thermomechanicaly treated to obtain an ultra-high strength bainitic steel for aircraft engine compressor disk. a novel themomechanical ...

Abstract Solid-state transformation during heat treatment is of great practical importance because it significantly affects the final structure, properties, and thermal stability cast components. The present study highlights issue structure formation its effect on high-quality iron, namely, austempered ductile iron (ADI). In this study, experiments were carried out for castings with a 25-mm-wal...

In this study, the effect of austempering times on microstructures and mechanical properties dual-matrix structure austempered ductile iron (DMS-ADI) was investigated. With aim, unalloyed as-cast tensile samples were austenitized at 810 °C for 30 min to intercritical austenitizing followed by 350°C various (45 180 min). Experimental results showed that structures consisting proeutectoid ferrite...