Crystallite size and magnetic properties of HDDR powders obtained from PrFeCoBNb alloys
SC Silva, JH Duvaizem, RN Faria… - Materials Science …, 2010 - Trans Tech Publ
The first goal of this work involved the study of HDDR powders obtained from annealed
alloys with the general formula: PrxFe77. 9-xCo16B6Nb0. 1 (x= 12; 12.5; 13; 13.5 and 14) …
alloys with the general formula: PrxFe77. 9-xCo16B6Nb0. 1 (x= 12; 12.5; 13; 13.5 and 14) …
Effect of variables the HDDR processing on magnetic properties and microstructure in permanent magnets based on Pr-Fe-B
PB Santos, SC Silva, RN Faria… - Materials Science Forum, 2010 - Trans Tech Publ
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 …
such as: the added pressure of H2 in the system, the time of heat treatment and …
X-Ray diffraction analysis and magnetic properties of Pr-Fe-B HDDR powders and magnets
Fine magnetic powder has been produced using the hydrogenation disproportionation
desorption and recombination (HDDR) process. The first goal of this work involved an …
desorption and recombination (HDDR) process. The first goal of this work involved an …
[PDF][PDF] THE EFECT OF THE DESORPTION AND RECOMBINATION TEMPERATURE ON
SC Silva, BG Coelho, H Takiishi, RN Faria - repositorio.ipen.br
This article reports the results of investigations carried out to study the microstructure and
magnetic properties of some permanent magnets represented by the formula Pr14Fe79. 9 …
magnetic properties of some permanent magnets represented by the formula Pr14Fe79. 9 …
Effects of surfactant addition and high-speed ball milling on magnetic powders based on Pr-Fe-B obtained by HDDR
PB Santos - 2011 - inis.iaea.org
[en] This work verified the effect caused by adding the surfactant in the high speed/energy
milling in order to obtain Pr 12 Fe 65.9 Co 16 B 6 Nb 0.1 magnetic nano powders. The first …
milling in order to obtain Pr 12 Fe 65.9 Co 16 B 6 Nb 0.1 magnetic nano powders. The first …
The effect of surfactant addition on high-energy milling upon the magnetic properties and microstructure of the Pr-Fe-B HDDR magnetic powders; Efeito da adicao de …
PB Santos, SC Silva, RN Faria, H Takiishia - 2010 - osti.gov
Nanomagnetic powders based on the composition Pr {sub 12} Fe {sub 65.9} Co {sub 16} B
{sub 6} Nb {sub 0.1} have been obtained from using (a) the hydrogenation …
{sub 6} Nb {sub 0.1} have been obtained from using (a) the hydrogenation …
[PDF][PDF] X-Ray Diffraction Analysis and Magnetic Properties of Pr-Fe-B HDDR Powders and Magnets SC Silva, JH Duvaizem, LG Martinez, MTD Orlando
SC Silva - 2008 - Citeseer
1Materials Science and Technology Center-Nuclear and Energy Research Institute, IPEN–
CNEN/SP, IPEN-CNEN, 05508900, São Paulo, Brazil ascsilva@ ipen. br, bjduvaizem …
CNEN/SP, IPEN-CNEN, 05508900, São Paulo, Brazil ascsilva@ ipen. br, bjduvaizem …
[PDF][PDF] EFEITO DA ADIÇÃO DE SURFACTANTES NAS PROPRIEDADES E MICROESTRUTURA DE PÓS MAGNÉTICOS À BASE DE Pr-Fe-B OBTIDOS VIA HDDR E …
PB Santosa, SC Silvaa, RN Fariaa, H Takiishia - repositorio.ipen.br
RESUMO Pós nanomagnéticos à base de Pr12Fe65, 9Co16B6Nb0, 1 tem sido obtidos a
partir de: a) pelo processo de hidrogenação, desproporção, dessorção e recombinação …
partir de: a) pelo processo de hidrogenação, desproporção, dessorção e recombinação …
[PDF][PDF] Efeitos da adição de surfactante e moagem de alta velocidade em pós magnéticos à base de Pr-Fe-B obtidos via HDDR
PB Santos - 2011 - pelicano.ipen.br
Esse trabalho teve como objetivo verificar o efeito da adição do ácido oléico na moagem de
alta velocidade/energia na obtenção de pós magnéticos em escala nanométricas da liga …
alta velocidade/energia na obtenção de pós magnéticos em escala nanométricas da liga …