Synthesis and sintering of nanostructured Mg4Al2Ti9O25 by High-Frequency Induction Heating and Its Mechanical Properties

Abstract

Nanocrystalline materials have received much attention as advanced engineering materials with improved physical and mechanical properties, including high strength, high hardness, excellent ductility and toughness. In this study, nanopowders of Al2O3, MgO and TiO2 were prepared as starting materials by high energy ball milling for the simultaneous synthesis and sintering of the nanostructured compound Mg4Al2Ti9O25 by high-frequency induction heating process. The highly dense nanostructured Mg4Al2Ti9O25 compound was produced within one minute by the simultaneous application of 80MPa pressure and induced current. The sintering behavior, grain size and mechanical properties of the Mg4Al2Ti9O25 compound were evaluated. ？ Materials Research Society of Korea.