List of Articles Ultrafine grained microstructure Open Access Article Abstract Page Full-Text 1 - Utilization of Microalloying with Rare Earth Elements and Hot Extrusion for Remarkable Grain Refinement and Enhancement of Mechanical Properties of as-Cast Magnesium Alloy Hooman Abedi Massoud Emamy Hamed Mirzadeh Jafar Rassizadehghani M. Ra'ayatpour