The effects of hydrogen disproportionation, desorption, and recombination on the structure and magnetic properties of Sm2Fe17N x and NdFe10Mo2Nx compounds

Jun Yang, Shengzhi Dong, Weihua Mao, Ping Xuan, Yingchang Yang

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10 Scopus citations

Abstract

Hydrogen disproportionation, desorption, and recombination (HDDR) has been used as a pretreatment to prepare high performance Sm2Fe 17Nx and NdFe10Mo2Nx compounds. Isotropic Sm2Fe17Nx and NdFe 10Mo2Nx compounds with intrinsic coercivity larger than 12 and 4 kOe have been obtained by nitriding the HDDR treated powders, respectively. It is found that the magnetic properties are sensitively dependent on the time and temperature of the HDDR process, which determine the grain size, nitrogen content, and the amount of α-Fe in the nitrides.

Original languageEnglish (US)
Pages (from-to)6053-6055
Number of pages3
JournalJournal of Applied Physics
Volume76
Issue number10
DOIs
StatePublished - Dec 1 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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