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surfactant assisted high energy ball mill

SURFACTANT-ASSISTED BALL MILLING: A NOVEL ROUTE TO

surfactant assisted high energy ball milling has been exploited for the synthesis of various ... cal than the high energy ball mills for the large scale synthesis [23]. On the other hand, vibration mills ... a novel route to novel materials with controlled nanostructure... 5 below this critical speed to keep the ball

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Sm2Co17 nanoparticles synthesized by surfactant-assisted ...

Surfactant-assisted high energy ball milling is another efficient technique to obtain hard magnetic Sm–Co nanoparticles. Chakka et al. have obtained isolated SmCo 5 and Sm 2 Co 7 nanoparticles with low coercivities (<100 Oe) and very low remanence ratio of less than 0.1 at room temperature.

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Cited by: 21

A surfactant-assisted high energy ball milling technique ...

A surfactant-assisted high energy ball milling technique to produce colloidal nanoparticles and nanocrystalline flakes in Mn–Al alloys P. Saravanan,*a D. Deepika,a Jen-Hwa Hsu,*b V. T. P. Vinod ...

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(PDF) Surfactant-assisted ball milling: A novel route to ...

Surfactant-assisted high energy ball milling (HEBM) is a widely used technique for producing nanostructured magnetic materials with oleic acid (OA) being the most commonly utilized surfactant ...

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Sm–Co hard magnetic nanoparticles prepared by surfactant ...

Recently, surfactant assisted high energy ball milling has been exploited for the synthesis of various nanomaterials, nanograins, and nanocomposites from solid bulk materials.

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Influence of octanoic acid on SmCo5 nanoflakes prepared by ...

Aug 20, 2010  High-energy ball milling (HEBM) of magnetically hard SmCo 5 was conducted in heptane with octanoic acid as the surfactant. The effects of octanoic acid on the morphology and magnetic properties of the powders were investigated by scanning electron microscopy, X-ray diffraction and vibrating sample magnetometry.

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Cited by: 32

ball milling machine for nanoparticles fabrication - YouTube

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Sm2Co17 nanoparticles synthesized by surfactant-assisted ...

Sm2Co17 nanoparticles synthesized by surfactant-assisted high energy ball milling Article in Journal of Alloys and Compounds 539:69–73 October 2012 with 26 Reads How we measure 'reads'

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NbO disintegration by surfactant-assisted high-energy ball ...

Macrocrystalline niobium monoxide powder has been disintegrated to an average nanoparticle size of 20 ± 10 nm by high-energy milling in a planetary ball mill. X-ray diffraction data showed that,... NbO disintegration by surfactant-assisted high-energy ball milling SpringerLink

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Author: A. A. Valeeva, A. A. Valeeva, H. Schroettner, A. A. Rempel, A. A. Rempel

Morphology and magnetic properties of CeCo5 submicron ...

Highlights CeCo 5 permanent magnetic alloy has been processed by surfactant assisted high energy ball milling (HEBM). The particles show a flake-like morphology with several μm in length and width and tens nm in thickness. The flakes are crystallographic and magnetic anisotropic and the c-axes, also the easy magnetization directions are oriented perpendicular to the surface of the flake ...

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Cited by: 21

Effects of Milling Conditions on Nano-scale MnFe(P,Si ...

The influence of the milling parameters such as the ball milling time and surfactant concentration on the structural and magnetic properties of nano-scale Mn1.25Fe0.7P0.6Si0.4 particles obtained by surfactant-assisted high-energy ball milling has been investigated.

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Surfactant Assisted Ball Milling: A Simple Top down ...

Among all the approaches, high energy ball milling with surfactant has been widely exploited for the synthesis of various nanomaterials, nanograins, nanocomposites from solid state. Self-assembled structures of surfactants provide a valuable tool for the controlled formation of nanostructure.

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Morphology and magnetic properties of CeCo5 submicron ...

Highlights CeCo 5 permanent magnetic alloy has been processed by surfactant assisted high energy ball milling (HEBM). The particles show a flake-like morphology with several μm in length and width and tens nm in thickness. The flakes are crystallographic and magnetic anisotropic and the c-axes, also the easy magnetization directions are oriented perpendicular to the surface of the flake ...

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Performance enhancement of NdFeB nanoflakes prepared by ...

Comparing with the samples prepared by surfactant-assisted high energy ball milling at room temperature (SABMRT), the nanoflakes prepared by low-temperature milling showed more homogeneous and finer. For Nd 2Fe 14B nanoflakes, a higher coercivity was obtained at low temperature by using 2-methyl pentane as solvent and oleylamine as surfactant [8 ].

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ball milling machine for nanoparticles fabrication - YouTube

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Effects of Milling Conditions on Nano-scale MnFe(P,Si ...

a surfactant-assisted high-energy ball milling technique (top-down) to synthesize Mn 1.25Fe 0.7P 0.6Si 0.4 nanoparticles because it is a simple, inexpensive, efficient and promising method for the preparation of magnetocaloric nanomaterials. The surfactant acts

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Novel NdCo5 nanoflakes and nanoparticles ... - SpringerLink

Jan 25, 2012  Abstract. High-energy ball milling has been shown to be a promising method for the fabrication of rare earth—transition metal nanopowders. In this work, NdCo 5 nanoflakes and nanoparticles have been produced by a two-stage high-energy ball milling (HEBM), by first using wet HEBM to prepare precursor nanocrystalline powders followed by surfactant-assisted HEBM.

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Magnetic Evolution of PrCo5 Nanoflakes Obtained by ...

Abstract. In this work, PrCo 5 nanoflakes were obtained by a top-down approach using surfactant-assisted high-energy ball mill (SABM) technique. The coarse alloy powders were subjected to SABM employing oleic acid as surfactant and heptane as milling medium. The surfactant led to the dispersion of the crashed particles by suppressing the effects of re-welding and agglomeration during milling.

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Characterization and Magnetic Behavior of Fe and Nd−Fe−B ...

Nanoparticles of Fe and Nd−Fe−B alloy with sizes less than 20 nm have been successfully fabricated by a high-energy ball-milling process in the presence of surfactant and organic carrier liquid. Structural and magnetic property characterization reveals that these nanoparticles consisting of nanosized grains can be used for fabricating anisotropic nanocomposite magnets.

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A surfactant-assisted high energy ball milling technique ...

We herein exploit the advantages of surfactant assisted-high energy ball milling (SA-HEBM) for the processing of Mn–Al alloy. In this method, a combination of two surfactants, such as oleic acid and oleylamine, was used along with a solvent, n-heptane, during milling. The

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Anisotropic Nd2Fe14B nanoparticles and nanoflakes by ...

Apr 13, 2011  Anisotropic Nd 2 Fe 14 B nanoparticles and nanoflakes have been produced by surfactant-assisted high-energy ball milling (SA-HEBM) of precursor nanocrystalline alloys. A two-stage high-energy ball milling was performed to obtain the nanopowders and nanoparticles; first the coarse powders were subjected to a wet milling followed by a wet surfactant-assisted milling.

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surfactant assisted high energy ball mill - be-kiek-ut

surfactant assisted high energy ball mill; surfactant assisted high energy ball mill. The Upson Beacon - Headline News. Welcome to The Upson Beacon • 108 East Gordon Street, Thomaston, GA 30286 • Phone:706-646-2382 • Fax: 706-646-2384. Get Price. Applied Sciences July 2017 -

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Effects of particle size and composition on coercivity of ...

nanoparticles prepared by surfactant-assisted ball milling Narayan Poudyal, Chuan-bing Rong, and J. Ping Liua Department of Physics, University of Texas at Arlington, Arlington, Texas 76019, USA ... hardened steel by using a Spex 8000M high-energy ball mill-ing machine and the powder to ball

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Preparation of NdFeB Magnetic Nanoparticles by Surfactant ...

Recently, high energy surfactant assisted ball milling has been proven to be an effective technique to produce anisotropic hard magnetic Nd-Fe-B nanoparticles. In this paper we are presenting our experimental results on high energy ball milling in planetary mill

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Effects of particle size and composition on coercivity of ...

nanoparticles prepared by surfactant-assisted ball milling Narayan Poudyal, Chuan-bing Rong, and J. Ping Liua Department of Physics, University of Texas at Arlington, Arlington, Texas 76019, USA ... hardened steel by using a Spex 8000M high-energy ball mill-ing machine and the powder to ball

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Characterization and Magnetic Behavior of Fe and Nd−Fe−B ...

Nanoparticles of Fe and Nd−Fe−B alloy with sizes less than 20 nm have been successfully fabricated by a high-energy ball-milling process in the presence of surfactant and organic carrier liquid. Structural and magnetic property characterization reveals that these nanoparticles consisting of nanosized grains can be used for fabricating anisotropic nanocomposite magnets.

Get Price

surfactant assisted high energy ball mill - be-kiek-ut

surfactant assisted high energy ball mill; surfactant assisted high energy ball mill. The Upson Beacon - Headline News. Welcome to The Upson Beacon • 108 East Gordon Street, Thomaston, GA 30286 • Phone:706-646-2382 • Fax: 706-646-2384. Get Price. Applied Sciences July 2017 -

Get Price

Effects of Milling Conditions on Nano-scale MnFe(P,Si ...

a surfactant-assisted high-energy ball milling technique (top-down) to synthesize Mn 1.25Fe 0.7P 0.6Si 0.4 nanoparticles because it is a simple, inexpensive, efficient and promising method for the preparation of magnetocaloric nanomaterials. The surfactant acts

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Morphological and magnetic characterization of Fe, Co, and ...

by surfactant-assisted ball milling for 1 h and (d) TEM image of Fe nanopar-ticles obtained by surfactant-assisted ball milling 20 h. FIG. 2. (Color online) XRD patterns of (a) Fe, (b) FeCo, and (c) Co nano-plates and nanoparticles. One-step nanoplates were obtained by wet milling of powders in the presence of surfactants for 1 h.

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Anisotropic Sm-(Co,Fe) Nanoparticles by Surfactant ...

surfactant-assisted low- and high-energy ball milling techniques. Surfactants prevent the rewelding of the crashed particles during the milling process. Heptane was used as the milling medium and oleic acid as the surfactant. High-energy ball milling experiments took place in a milling vial with

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Magnetic Evolution of PrCo5 Nanoflakes Obtained by ...

Abstract. In this work, PrCo 5 nanoflakes were obtained by a top-down approach using surfactant-assisted high-energy ball mill (SABM) technique. The coarse alloy powders were subjected to SABM employing oleic acid as surfactant and heptane as milling medium. The surfactant led to the dispersion of the crashed particles by suppressing the effects of re-welding and agglomeration during milling.

Get Price

A surfactant-assisted high energy ball milling technique ...

We herein exploit the advantages of surfactant assisted-high energy ball milling (SA-HEBM) for the processing of Mn–Al alloy. In this method, a combination of two surfactants, such as oleic acid and oleylamine, was used along with a solvent, n-heptane, during milling. The

Get Price

Novel Nd2Fe14B nanoflakes and nanoparticles for the ...

High energy ball millinghas been shown to be a promisingmethod for large-scale fabrication of rare earth–transition metal nanoparticles. In this work, magnetically hard Nd–Fe–B nanopowders with a coercivity in the range of 1.2–4 kOe have been produced by surfactant-assisted ball millingof nanocrystalline precursor alloys.

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Evolution of Nd2Fe14B nanoparticles magnetism during ...

The aim of this work was the fabrication of Nd2Fe14B nanoparticles, through a “top-down” technique like surfactant-assisted high-energy ball-milling, and the monitoring of the milling-process stages with respect to the structure and magnetism. The

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Structure-controlled Nanomaterial Synthesis using ...

Chemical methods for the synthesis of controlled structure nanoparticles from rare-earth solid compounds have showed limited success in terms of yield, purity and cost. Recently, surfactant assisted high energy ball milling has been exploited for the synthesis of various nanomaterials, nanograins and nanocomposites from solid state.

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surfactants assisted ball milling - sterpeticavalli

Institute for Energy Technology (IFE) Physics Academia.edu. ABSTRACT In this study, we discuss the effect of different milling parameters, such as the type and concentration of surfactants, milling energy, and milling time on the structural, morphological and magnetic properties of hard magnetic SmCo5 nanoflakes prepared by surfactant assisted high energy ball milling.

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DTIC ADA620061: Effect of Surfactant Molecular Weight on ...

Surfactant-assisted high energy ball milling (HEBM) is a widely used technique for producing nanostructured magnetic materials with oleic acid (OA) being the most commonly utilized surfactant reported in literature to date. No conclusive explanation has been presented for the wide use of OA and only a few studies have deviated from its use.

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Anisotropic SmCo5 nanoflakes by surfactant-assisted high ...

Abstract Crystallographically anisotropic SmCo5 nanoflakes were fabricated directly by one-step surfactant-assisted high energy ball milling (HEBM) of Sm17Co83 ingot powders for 5 h in heptane and oleic acid (OA) without preprocessing or further annealing. The SmCo5 nanoflakes have a strong [001] out-of-plane texture.

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发布位置:Journal of Applied Physics 2010:Baozhi Cui A M Gabay W Li M Marinescu Jinfang Liu G C Hadjipanayis从属关系: University of Delaware关于:Magnetic anisotropy Materials science Coercivity Transmission electron microscopy

surfactants assisted ball milling - sterpeticavalli

Institute for Energy Technology (IFE) Physics Academia.edu. ABSTRACT In this study, we discuss the effect of different milling parameters, such as the type and concentration of surfactants, milling energy, and milling time on the structural, morphological and magnetic properties of hard magnetic SmCo5 nanoflakes prepared by surfactant assisted high energy ball milling.

Get Price

DTIC ADA620061: Effect of Surfactant Molecular Weight on ...

Surfactant-assisted high energy ball milling (HEBM) is a widely used technique for producing nanostructured magnetic materials with oleic acid (OA) being the most commonly utilized surfactant reported in literature to date. No conclusive explanation has been presented for the wide use of OA and only a few studies have deviated from its use.

Get Price

Effect of Surfactant Molecular Weight on Particle ...

Surfactant-assisted high energy ball milling (HEBM) is a widely used technique for producing nanostructured magnetic materials with oleic acid (OA) being the most commonly utilized surfactant reported in literature to date. No conclusive explanation has been presented for the wide use of OA and only a few studies have deviated from its use. OA has a boiling point of 360 C which presents issues ...

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发布位置:Journal of Applied Physics 2012:C Crouse E Michel Y Shen S J Knutson B K Hardenstein Jonathan E Spowart关于:Ball mill Morphology Cobalt Oleic acid Nanostructure Nanolithography

Anisotropic SmCo5 nanoflakes by surfactant-assisted high ...

Abstract Crystallographically anisotropic SmCo5 nanoflakes were fabricated directly by one-step surfactant-assisted high energy ball milling (HEBM) of Sm17Co83 ingot powders for 5 h in heptane and oleic acid (OA) without preprocessing or further annealing. The SmCo5 nanoflakes have a strong [001] out-of-plane texture.

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发布位置:Journal of Applied Physics 2010:Baozhi Cui A M Gabay W Li M Marinescu Jinfang Liu G C Hadjipanayis从属关系: University of Delaware关于:Magnetic anisotropy Materials science Coercivity Transmission electron microscopy

Effect of milling parameters on SmCo5 nanoflakes prepared ...

In this study, we discuss the effect of different milling parameters, such as the type and concentration of surfactants, milling energy, and milling time on the structural, morphological and magnetic properties of hard magnetic SmCo5 nanoflakes prepared by surfactant assisted high energy ball milling. Two kinds of surfactants, polyvinylpyrolidone (PVP) with ethanol and oleic acid (OA) with n ...

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Evolution of Nd2Fe14B nanoparticles magnetism during ...

The aim of this work was the fabrication of Nd2Fe14B nanoparticles, through a “top-down” technique like surfactant-assisted high-energy ball-milling, and the monitoring of the milling-process stages with respect to the structure and magnetism. The

Get Price

Sm--Co hard magnetic nanoparticles prepared by surfactant ...

prepared by surfactant-assisted ball milling Yiping Wang, Yang Li, Chuanbing Rong and J Ping Liu Department of Physics, The University of Texas at Arlington, Arlington, TX 76019, USA E-mail: [email protected] ... high-energy ball milling may also contribute to the broadening

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Preparation of NdFeB Magnetic Nanoparticles by Surfactant ...

Recently, high energy surfactant assisted ball milling has been proven to be an effective technique to produce anisotropic hard magnetic Nd-Fe-B nanoparticles. In this paper we are presenting our experimental results on high energy ball milling in planetary mill

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Anisotropic PrCo- Nanoparticles by Surfactant-Assisted ...

Sep 22, 2009  Abstract: Magnetically hard PrCo 5 nanoparticles have been produced by using surfactant-assisted high-energy ball milling techniques. The use of surfactant leads to the dispersion of the crashed particles and prevents them from rewelding during the milling process. Heptane was used as the milling medium, and oleic acid as the surfactant.

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Engine Roll Manufacturer, Aluminum Dross Ball Mill

At LIMING, we adhere to the principle of providing each customer specific design solution. Relying on our sales managers' professional knowledge and our services throughout the life cycle of products, we help our customers out of their difficulties in equipment procurement, operation cost accounting, operation management, and after-sales service obtainment, thus improving their profit-making ...

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Anisotropic Sm-(Co,Fe) nanoparticles by surfactant ...

Magnetically hard Sm2 (Co0.8 Fe0.2) 17 and SmCo5 nanoparticles have been produced by using surfactant-assisted low- and high-energy ball milling techniques. Surfactants prevent the rewelding of the crashed particles during the milling process. Heptane was used as the milling medium and oleic acid as the surfactant. High-energy ball milling ...

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Preparation of Micrometer to SubmicrometerSized ...

also been produced using an aerosol-assisted self-assembly pro-cess.16,17 However, these processes usually require large amounts of solvent and produce relatively small amounts of material. High-energy ball milling has been a common physical tech-nique used to produce sub-micrometer particles without the need for excessive solvent.

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LIMING Aluminum Nanoparticle Production by Milling in NH3 ...

Ball milling of aluminum in gaseous atmospheres of ammonia and monomethylamine (MMA) was found to produce particles in the 100 nm size range with high efficiency. A combination of mass spectrometry, X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis with mass spectrometric product analysis (TGA-MS), scanning electron microscopy (SEM), infrared spectroscopy, and dynamic light ...

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Structure and Magnetic Properties of NdFeB Powder Prepared ...

An ingot of NdFeB alloy was disintegrated by hydrogen decrepitation (HD). High-energy ball milling technique with hard metal milling elements and balls was employed to refine HD powders down to particle size optimum for magnet processing. The experiments were performed according to experimental plan to optimize the milling parameters regarding particle size, contamination and magnetic ...

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