In order to obtain an effective and reliable grain refiner for Mg-Al alloys,1%(mass fraction)Mg3N2 was added into AZ31 Mg alloy.The microstructures of the Mg al
The SnO2-polyaniline(SnO2-PAn) composite was prepared by microemulsion polymerization method using aniline,ammonium peroxodisulfate and SnO2 as starting materia