Effect of Variables the HDDR Processing on Magnetic Properties and Microstructure in Permanent Magnets Based on Pr-Fe-B

P.B. Santos; S.C. Silva; R.N. Faria; Hidetoshi Takiishi

doi:10.4028/www.scientific.net/MSF.660-661.302

Paper Titles

The Critical Volume for Nucleation
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Effect of Grain Size on the Coercivity of Sintered NdFeB Magnets
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Optimizing the Heat Treatment of Rare Earth-Transition Metal Sintered Magnets
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The Influence of Praseodymium Content on the Hydrogen Absorption Capability of PrFeCoBNb Magnetic Alloys
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Effect of Variables the HDDR Processing on Magnetic Properties and Microstructure in Permanent Magnets Based on Pr-Fe-B
p.302

Crystallite Size and Magnetic Properties of HDDR Powders Obtained from PrFeCoBNb Alloys
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Effect of the Reinforcement Volume Fraction on Mechanical Alloying of AA2124 – SiC Composite
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High-Energy Mechanical Milling of Ultra-High Molecular Weight Polyethylene (UHMWPE)
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An Investigation on the Mechanical Alloying of TiFe Compound by High-Energy Ball Milling
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HomeMaterials Science ForumMaterials Science Forum Vols. 660-661Effect of Variables the HDDR Processing on...

Effect of Variables the HDDR Processing on Magnetic Properties and Microstructure in Permanent Magnets Based on Pr-Fe-B

Abstract:

The first goal of this work involved the study of the effect of variables the HDDR processing, such as: the added pressure of H2 in the system, the time of heat treatment and recombination of Pr12Fe65.9Co16B6Nb0.1 alloy with the aim of improving the magnetic properties like the magnetic properties of the Pr14Fe63.9Co16B6Nb0.1 alloy (Br= 865mT and iHc= 790mT). The second aim of the work involved the characterization of HDDR powders that were analyzed by X-ray diffraction for identification and quantification of crystalline phases. These materials were analyzed by scanning electron microscopy (SEM).

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Periodical:

Materials Science Forum (Volumes 660-661)

Pages:

302-307

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https://doi.org/10.4028/www.scientific.net/MSF.660-661.302

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Online since:

October 2010

Authors:

P.B. Santos, S.C. Silva, R.N. Faria, Hidetoshi Takiishi

Keywords:

HDDR, Hydrogen Pressure, Pr-Fe-B Based

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