influence of milling conditions on magnetic properties of nd

The influence of fabrication conditions on structure and ,

The influence of fabrication conditions on structure and ,

Abstract In this paper, we present the results of an investigation of the influence of fabrication conditions on the structure and magnetic properties of Nd 105-x Fe 835-y Co x Nb y B 6 (x=0-6 y=15-3) nanocomposites prepared by melt-spinning combined with annealing By changing the quenching rate (by varying the tangential velocity of the copper wheel from 10 m s-1 to 40 m s-1), one ,

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

Influence of milling conditions on magnetic properties of , Fig 1 shows relationships between the magnetic properties of Nd(Fe,Mo) 12 N x particles and mechanical milling conditions When the ratio of ball to powder was 10 : 1, the iH c value increased to 76 kOe with the milling time

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Influence of milling conditions on magnetic properties of ,

Influence of milling conditions on magnetic properties of ,

Influence of milling conditions on magnetic properties of Sm/sub 2/Fe/sub 17/N/sub 3/ particles Tajima, S; Hattori, T; Kato, Y Abstract Publication: IEEE Transactions on Magnetics Pub Date: November 1995 DOI: 101109/20489700 Bibcode: 1995ITM,313701T full text sourc Publisher | .

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(PDF) The influence of fabrication conditions on structure ,

(PDF) The influence of fabrication conditions on structure ,

To investigate the influence of annealing conditions In order to investigate the influence of the Nb on the magnetic properties of the alloys, the samples concentration on the structure and magnetic properties of the with the highest quenching rate of 40 m s−1 (the lowest alloys, we reduce the concentration of Nb from 3 to 15 at% amorphous .

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Structural and Magnetic Properties of Ba1-xRexCo2ZnxFe16 ,

Structural and Magnetic Properties of Ba1-xRexCo2ZnxFe16 ,

W-type hexaferrite was recognized as a soft magnetic material with potential importance for microwave absorption 18-23 The microwave properties of the W-type phase were improved by cationic substitutions, such as the partial substitution of Ba 2+ ions by Er 3+, Sm 3+, and Nd 3+ 15, 23, 24 Also, partial substitution of Dy 3+ for Fe 3+ in Ni 2 .

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

Influence of Milling Time on Magnetic Properties and , In this paper, the effect of the grain size on sintered Nd-Fe-B based permanent magnets was investigated In order, the magnets were produced by different milling times at 200 rpm and then vacuum sintered at 1373 K for 60 minutes followed by cooling outside the furnace

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influence of milling conditions on magnetic properties of ,

influence of milling conditions on magnetic properties of ,

influence of milling conditions on magnetic properties of nd Influence of Milling Time on Magnetic Properties and In this paper the effect of the grain size on sintered NdFeB based permanent magnets was investigated In order the magnets were produced by different milling times at 200 rpm and then vacuum sintered at 1373 K for 60 minutes .

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Influence of Milling Conditions on the Hydriding ,

Influence of Milling Conditions on the Hydriding ,

Jan 17, 2015· Mg75 at%, CB25 at% (CB: carbon black) composites were synthesized at different ball milling conditions (milling energy, milling duration, and environment) and their hydriding properties were characterized by high-pressure DSC The SEM observations revealed that the samples consist of 5–15 μ m Mg particles, surrounded and in some cases coated by carbon particl

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The effect of ingot heat treatment on the magnetic ,

The effect of ingot heat treatment on the magnetic ,

and milling time influence the final magnetic properties of HD sintered magnets of a Pr20sFeT~sB3TCu2 alloy has been investigated 2 Experimental details The alloy investigated in this work has been provided by Rare Earth Products The alloy ,

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

Influence of milling conditions on magnetic properties of , Ball milling conditions were examined for the preparation of fine Nd(Fe,Mo) 12 N x particl The milling process with high ratio of ball to powder produced Nd(Fe,Mo) 12 N x particles with low iH c and 4πI rThe decrease in 4πI r and iH c was attributed to population of α-Fe and .

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Effect of Milling Conditions on the Microstructure and ,

Effect of Milling Conditions on the Microstructure and ,

investigate the effect of different milling conditions (milling with different diameter balls) on the structural, microstructural and magnetic properties of Nd 2Fe 14B/10wt%Fe nanocomposit 2 Experimental details The Nd 2Fe 14B ingot was prepared by induction melting in a purified Ar atmosphere, followed by annealing in vacuum at 950 °C for .

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Influence of milling conditions on magnetic properties of ,

Influence of milling conditions on magnetic properties of ,

Ball milling conditions were examined for the preparation of fine Nd(Fe,Mo) 1 2 N x particl The milling process with high ratio of ball to powder produced Nd(Fe,Mo) 1 2 N x ,

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Dry and Wet Milling Comparison of Nd-Fe-B Magnets Based on ,

Dry and Wet Milling Comparison of Nd-Fe-B Magnets Based on ,

In this work, the influence of milling medium was investigated in order to achieve high energy-product Nd-Fe-B magnets, mostly by the remanence improvement related to the obtention of monocrystalline particles during milling Nd-Fe-B alloy made by strip-casting process were used as starting material, which exhibits refined grain structure and demands special attention during milling in .

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Influence of Milling Time on Magnetic Properties and ,

Influence of Milling Time on Magnetic Properties and ,

Influence of Milling Time on Magnetic Properties and Microstructure of Sintered Nd -Fe -B Based Permanent Magnets Fim , RGT 1, a *, Silva , MRM

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Influence of milling conditions on magnetic properties of ,

Influence of milling conditions on magnetic properties of ,

Ball milling conditions were examined for the preparation of fine Sm/sub 2/Fe/sub 17/N/sub 3/ particl The milling process with high ball/bottle volume ratio produced Sm/sub 2/Fe/sub 17/N/sub 3/ particles with low /sub i/H/sub c/ and 4 /spl pi/I/sub r/ The decrease in 4 /spl pi/I/sub r/ and /sub i/H/sub c/ were attributed to particle aggregates formed during the milling The addition of a .

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Effect of Particle Size Distribution on the Microstructure ,

Effect of Particle Size Distribution on the Microstructure ,

magnetic properties of Nd-Fe-B magnets depend on the microstructures predetermined by strip casting, hydrogen treatment, jet-milling, compaction and sintering process Each condition of the processes is important and carefully controlled to improve of the magnetic properti In this study, magnetic properties of the Nd-Fe-B sintered magnets

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5RXWH - iopscienceioporg

5RXWH - iopscienceioporg

Mechanical milling have been used to synthesize a number of rare earth permanent magnet alloys, including Nd 2 Fe 14 B [5], Nd(Fe,Mo) 12 N x [6] and SmCo 5 [7] In the present study we have done preliminary investigation on the microstructure and magnetic properties of mechanically milled and spark plasma sintered MnAl alloys Experimental

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Investigation of the magnetic properties and fracture ,

Investigation of the magnetic properties and fracture ,

Sep 09, 2020· In this work, Nd–Fe–B alloy powders are fabricated via high energy ball milling and their fracture behavior and magnetic properties are investigated at different milling tim The powder characteristics (particle shape, size, size distribution, and microstructure) and magnetic properties of the Nd–Fe–B alloys are systematically analyzed

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Preparation and Characterization of NdFeB/PrCo5 ,

Preparation and Characterization of NdFeB/PrCo5 ,

Jun 08, 2018· We first developed NdFeB/PrCo 5 nanocomposite magnetic material by high-energy ball milling, and the influence of the different contents of PrCo 5 on the magnetic properties of NdFeB was studied by means of XRD, DSC, and VSM The results showed that compared with single-phase NdFeB permanent-magnet material, NdFeB/PrCo 5 nanocomposite magnetic material has superior magnetic properti

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Influence of milling time on magnetic properties and ,

Influence of milling time on magnetic properties and ,

In this paper, the effect of the grain size on sintered Nd-Fe-B based permanent magnets was investigated In order, the magnets were produced by different milling times at 200 rpm and then vacuum sintered at 1373 K for 60 minutes followed by cooling outside the furnace

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Influence of Synthesis Conditions on the Interphase ,

Influence of Synthesis Conditions on the Interphase ,

The effects of short time annealing and soft phase pre-milling on the structural and magnetic properties of 6 h milled Nd 2 Fe 14 B/10wt% Fe magnetic nanocomposites were investigated The XRD peaks of Nd 2 Fe 14 B progressively disappeared after milling due to crystal structure damage, this effect being more pronounced when using pre-milled Fe .

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

Oct 30, 2020· Influence of milling conditions on magnetic properties of Influence of milling conditions on magnetic properties of Sm/sub 2/Fe/sub 17/N/sub 3/ particles Tajima S Hattori T Kato Y Abstract Publication IEEE Transactions on Magnetics Pub Date November 1995 DOI 101109/20489700 Bibcode 1995ITM313701T full text sourc Publisher Read More

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Influence of Synthesis Conditions on the Interphase ,

Influence of Synthesis Conditions on the Interphase ,

Influence of Synthesis Conditions on the Interphase Exchange Coupling of Nd 2 Fe 14B/α-Fe Nanocomposite Obtained by Mechanical Milling R Hirian1, S Mican1, I Chicinaş3, O Isnard2, S Gutoiu4 and V Pop1 1 Faculty of Physics, Babeş-Bolyai University, Cluj Napoca, RO 400084 Romania 2 Université Grenoble Alpes, Institut Néel, Grenoble, F-38042 France

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Electromagnetic and microwave absorption properties of ,

Electromagnetic and microwave absorption properties of ,

Jul 24, 2017· The polycrystalline samples Nd x Ho 2−x Fe 17 (x = 00, 02, 04, 06) were prepared by arc melting under high purity argon atmosphere and high energy ball milling method under the protection of ethanol The influence of the Nd Substitution on phase structure, morphology, saturation magnetization, electromagnetic parameters were investigated by X-ray diffraction, scanning electron ,

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Effect of heat treatment on magnetic properties of ,

Effect of heat treatment on magnetic properties of ,

Jan 02, 2021· In this work, we explored the effect of heat treatment on high boron and Nd-lean content magnetic Nd7Fe73B20 nanocomposite materials via vibration sample magnetometer (VSM), X-ray diffraction, differential thermal analysis (DTA), and scanning electron microscope (SEM) The Scherer formula was employed to estimate the effect in the crystal size of the heat treatment on high boron and Nd ,

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INFLUENCE OF HEAT TREATMENT ON THE STRUCTURAL ,

INFLUENCE OF HEAT TREATMENT ON THE STRUCTURAL ,

optimum heat-treatment conditions The magnetic domain struc ture of the magnet subjected to an optimum heat treatment has been studied The effect of different low-temperature heat treatments on the magnetic properties of magnets has been demonstrated Key words: Nd-Pr-Fe-B magnet, , in the magnetic (Nd x Pr 1-x) 2 Fe 14

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Influence of milling conditions on magnetic properties of ,

Influence of milling conditions on magnetic properties of ,

Feb 15, 1999· Ball milling conditions were examined for the preparation of fine Nd(Fe,Mo)12Nx particl The milling process with high ratio of ball to powder produ,

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

The influence of milling and annealing conditions on the NdDy 2 Fe 14 B x wt Fe x 10 and 22 nanocomposite magnetic powders are synthesized by mechanical milling and annealing This paper resumes our studies on the influence of structure and microstructure on the magnetic properties of Nd 2 Fe 14 BαFe exchange coupled hardsoft magnetic nanocomposites obtained by mechanical milling ,

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

Influence of Milling Conditions on the Hard/Soft Exchange Influence of Milling Conditions on the Hard/Soft Exchange Coupling of the Short Time Annealed Nd 2 Fe 14B/α-Fe Nanocomposite R Hirian1, S Mican1, L V B Diop2,3, I Chicinaş4 and O Isnard2,3, V Pop1 1 Faculty of Physics, Babeş-Bolyai University, Cluj Napoca, RO 400084 Romania 2 Université Grenoble Alpes, Institut Néel .

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influence of milling conditions on magnetic properties of nd

influence of milling conditions on magnetic properties of nd

New Projects of Influence Of Milling Conditions On Magnetic Properties Of Nd Effect of milling conditions on the microstructure and ,investigate the effect of different milling conditions on the structural, microstructural and magnetic properties of Nd t%fe nanocomposit experimental details the Nd ingot was prepared by induction melting in a purified Ar atmosphere, followed by annealing in .

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