Mechanochemical Synthesis of Ultrafine Fe Powder

J. Ding, W.F. Miao, Paul Mccormick, Robert Street

Research output: Contribution to journalArticlepeer-review

141 Citations (Scopus)

Abstract

Ultrafine Fe powders were synthesized by mechanochemical solid-state reduction of FeCl3 by Na and subsequent removal of the reaction by-products. X-ray diffraction, Mossbauer spectroscopy. and transmission electron microscopy measurements showed that Fe particles with a relatively uniform particle size similar to 10 nm were formed during the mechanical milling process. The powders exhibited coercivity values of 350-550 Oe, consistent with that expected for separated nanosized particles. This study demonstrates that mechanochemical processing has significant potential for the synthesis of ultrafine metal powders in an economic and efficient way. (C) 1995 American Institute of Physics.
Original languageEnglish
Pages (from-to)3804-3806
JournalApplied Physics Letters
Volume67(25)
DOIs
Publication statusPublished - 1995

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