influence of milling conditions on magnetic properties of nd

Influence of milling conditions on magnetic properties of Nd(Fe,Mo)12Nx compounds - ScienceDirect

Ball milling conditions were examined for the preparation of fine Nd(Fe,Mo)12Nx particles. The milling process with high ratio of ball to powder produ…

Influence of milling conditions on magnetic properties of Nd(Fe,Mo)12Nx compounds - ScienceDirect

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

Influence of milling conditions on magnetic properties of Nd(Fe,Mo) 12N x compou

Abstract Ball milling conditions were examined for the preparation of fine Nd(Fe,Mo) 12 N x particles. The milling process with high ratio of ball to powder produced Nd(Fe,Mo) 12 N x particles with low i H c and 4π I r.The decrease in 4π I r and i H c was attributed to population of α-Fe and particle aggregates that were formed during the milling. . The addition of process control agents ...

Influence of Milling Time on Magnetic Properties and Microstructure of Sintered Nd-Fe-B Based Permanent Magnets

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 ...

Effect of Milling Conditions on the Microstructure and Interphase Exchange Coupling of Nd2Fe14B/α-Fe Nanocomposites

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 nanocomposites. 2 Experimental details The Nd 2Fe 14B ingot was prepared by induction

(PDF) Influence of starting powder milling on magnetic properties of Mn-Zn ferrite

In this paper, the influence of additional sieving and milling of starting industrial Mn-Zn powders on magnetic properties was investigated. The starting powder was milled for 60 ...

Effect of the milling time on the magnetic properties of powder compositions of the Sm2Fe17Nx intermetallic compound and an Nd–Fe–B alloy ...

Abstract The effect of the wet milling time on the magnetic properties of powder compositions consisting of the hard magnetic Sm 2 Fe 17 N x (x = 2.9–3.0) nitride and a rapidly quenched Nd 9.6 Fe 76.3 Co 4.3 Zr 3.4 B 6.4 (at %) alloy, which are taken in different mass proportions, is studied. ...

The influence of short time heat treatment on the structural and magnetic behaviour of Nd 2Fe 14B/α-Fe nanocomposite obtained by mechanical ...

In this study we followed the influence of milling conditions and heat treatments on the structural and magnetic properties of Fe 65 Co 35 powders with respect to its potential use as soft ...

Influence of Milling Time on Magnetic Properties and Microstructure of Sintered Nd-Fe-B Based Permane nt Magnets

Conclusion The influence of several milling times of the strip-cast alloy employed in the production of sintered Nd-Fe -B based permanent magnets was investigated. It is clear that, employing the appropriate parameters of processing, in this case the milling time, it

(PDF) Influence of wet milling conditions on the structural and magnetic properties of Ni3Fe nanocrystalline intermetallic compound | viorel pop ...

Influence of wet milling conditions on the structural and magnetic properties of Ni3Fe nanocrystalline intermetallic compound

Influence of milling conditions on magnetic properties of Sm/sub 2/Fe/sub 17/N/sub 3/ particles - IEEE Journals & Magazine

Influence of milling conditions on magnetic properties of Sm/sub 2/Fe/sub 17/N/sub 3/ particles Abstract: Ball milling conditions were examined for the preparation of fine Sm/sub 2/Fe/sub 17/N/sub 3/ particles.

The effect of milling speed on the magnetic properties of mechanically alloyed Fe-45%Ni powders

The effect of milling speed on the magnetic properties of mechanically alloyed Fe-45%Ni powders Kh Gheisari1, 2,333, S Javadpour1 and J T Oh2 1 Dept. of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz, 7134851154, Iran 2 School of Materials Science and Engineering, Nanyang Technological University, ...

INFLUENCE OF HEAT TREATMENT ON THE STRUCTURAL AND MAGNETIC CHARACTERISTICS OF (Nd Pr Fe B-BASED MAGNETIC MATERIAL FOR LOW-TEMPERATURE APPLICATION

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.

Effects of Milling Atmosphere and Increasing Sintering Temperature on the Magnetic Properties of Nanocrystalline Ni0.36Zn0.64Fe2O4

The parallel evolution of changes in magnetic properties, due to microstructural variations with changes in the milling atmosphere and sintering temperature in the rage of 500–900 C with 100 C increments, is also studied in this work.

INFLUENCE OF HEAT TREATMENT ON THE STRUCTURAL AND MAGNETIC CHARACTERISTICS OF (Nd Pr Fe B-BASED MAGNETIC MATERIAL FOR LOW-TEMPERATURE APPLICATION

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.

Effects of Milling Atmosphere and Increasing Sintering Temperature on the Magnetic Properties of Nanocrystalline Ni0.36Zn0.64Fe2O4

The parallel evolution of changes in magnetic properties, due to microstructural variations with changes in the milling atmosphere and sintering temperature in the rage of 500–900 C with 100 C increments, is also studied in this work.

Influence of milling time on magnetic properties and microstructure of sintered Nd-Fe-B based permanent magnets

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 ...

Influence of wet milling conditions on the structural and magnetic properties of Ni3Fe nanocrystalline intermetallic compound - CORE

Influence of wet milling conditions on the structural and magnetic properties of Ni3Fe nanocrystalline intermetallic compound By Bogdan V. Neamtu, Ionel Chicinas, Olivier Isnard, Florin Popa and Viorel Pop Cite BibTex Full citation ...

Effect of High-Energy Ball Milling on Structure and Properties of Some Intermetallic Alloys: A Mini Review | SpringerLink

On the other hand, MA process seems to be a simple and cost-effective technique for improving structural and magnetic properties of intermetallic alloys. Within this context, this paper provides an overview of the experimental investigations performed on mechanical alloying/milling of γ-TiAl, τ-MnAl, and B2-RuAl intermetallic alloys.

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Structure and magnetic properties of milled NdFeB Figure 1. X-ray diffraction patterns of Nd16Fe76B8 powder milled for different times. 3. Results 3.1. Structural evolution during milling X-ray diffraction (XRD) patterns of Nd16Fe76B8 powders milled for various times

Structural and Magnetic Properties of Ba1-xRexCo2ZnxFe16-xO27 W-type Hexaferrite prepared by Ball Milling Method | Material Science Research India

Copy the following to cite this article: Dmour M. K, Al-Hwaitat E. S. Structural and Magnetic Properties of Ba1-xRexCo2ZnxFe16-xO27 W-type Hexaferrite prepared by Ball Milling Method. Copy the following to cite this URL: Dmour M. K, Al-Hwaitat E. S. Structural ...

Coercivity - Wikipedia

In electrical engineering and materials science, the coercivity, also called the magnetic coercivity, coercive field or coercive force, is a measure of the ability of a ferromagnetic material to withstand an external magnetic field without becoming demagnetized. An analogous property, electric coercivity, is the ability of a ferroelectric ...

THE INFLUENCE OF CONDITIONS OF MILLING IN A HAMMER MILL ON EFFICIENCY OF THE PROCESS AND STRUCTURAL CHARACTERISTICS OF THE POWDER | Submit ...

The necessity of ferromagnetic materials using when grinding dispersed media of ferromagnetic materials in hammer mill of alternating non-uniform and constant magnetic fields is substantiated. The kinetics of grinding a coarse-dispersed strontium hexaferrite ...

THE INFLUENCE OF IRON NANOPARTICLES ADDITIVES ON MAGNETIC PROPERTIES OF ND-FE-B NANOCOMPOSITE MAGNETS

18. - 20. 5. 2011, Brno, Czech Republic, EU THE INFLUENCE OF IRON NANOPARTICLES ADDITIVES ON MAGNETIC PROPERTIES OF ND-FE-B NANOCOMPOSITE MAGNETS VLIV PŘÍSADY ŽELEZNÝCH NANOČÁSTIC NA MAGNETICKÉ VLASTNOSTI ...

EFFECT OF SINTERING TEMPERATURE ON THE STRUCTURAL AND MAGNETIC PROPERTIES OF COBALT FERRITE NANOPARTICLES

Effect of sintering temperature on the structural and magnetic properties 431 the present paper, the structural and magnetic properties of nanocrystalline cobalt ferrite in relation to sintering temperature were investigated. 2. Experimental 2.1. Synthesis Nano particles

On the magnetic properties of fine-milled barium and strontium ferrite - IEEE Journals & Magazine

On the magnetic properties of fine-milled barium and strontium ferrite Abstract: The temperature dependence of the specific saturation magnetization of barium and strontium ferrite powders after milling in an attrition mill has been investigated at temperatures between -195°C and the Curie temperature of the ferrites.

Effect of annealing conditions on the physical properties of Nd<sub>0.67</sub>Sr<sub>0.33</sub>MnO<sub>3-δ</sub>

A study of the influence of annealing in atmospheres with defined oxygen partial pressures (1.5×10-6 Pa≤P O(2) ≤10 +5 Pa) on the electrical resistivity ρ(T), magnetic susceptibility χ(T), and heat capacity c p (T) of ceramic samples of Nd 0.67 Sr 0.33 MnO 3-δ is presented. ρ(T) at 1000 C shows no appreciable change for 10 +2 Pa≤P O(2) ≤10 +5 Pa.

Structure and Magnetic Properties of Ultrafine Fe Powders by Mechanochemical Processing — the UWA Profiles and Research Repository

The influence of milling conditions and reductant on structure and magnetic properties was investigated. It is shown that the production of uniform nano-sized powders by mechanochemical processing requires a high particle-to-by-product ratio and avoidance of