A Study of Nd-Fe-B Magnets Produced Using a Combination of Hydrogen Decrepitation and Jet Milling

E Rozendaal,I R Harris,P J Mcguiness,J Ormerod

doi:10.1007/978-94-009-1135-2_44

A Study of Nd-Fe-B Magnets Produced Using a Combination of Hydrogen Decrepitation and Jet Milling

E Rozendaal, I R Harris + Show 2 more

https://doi.org/10.1007/978-94-009-1135-2_44

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Publication Date: Jan 1, 1989

Citations: 20

Affiliation: University of Birmingham, Merseytravel

#Jet Milling #Hydrogen Decrepitation + Show 8 more

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Abstract

A combination of hydrogen decrepitation (HD) and jet milling (JM) has been used to produce powder for the processing of permanent magnets. The procedure has proved to be very successful for both NdFeB (“Neomax”) alloys and the NdDyFeNbB high coercivity alloys. The magnets produced by the HD/JM process showed excellent coercivities when sintered between 980°C and 1040°C, at higher temperatures, excessive grain growth reduced the coercivity values significantly.

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