2007•Mining and Metallurgical EngineeringRequires access

Preparation of Fe_3O_4 Nanoparticles by Ball Milling Iron Powder in Water Solution

Chen Zhen-hua

Abstract

Based on the theory of mechanochemistry,the iron powder was ball-milled in high-energy planetary ball mill,Fe3O4 nanoparticles were prepared successfully.The as-formed phases were studied respectively by XRD,SEM,TEM.The nanoparticles of Fe3O4 with the diameter of 30～80 nm.In the system,the relative content of Fe3O4 increased with the milling time,the ratio of grinding media and material and the speed of rotation.

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Key concepts: Ball mill, Mechanochemistry, Materials science, Grinding, Nanoparticle, Metallurgy, Chemical engineering, Iron powder