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surfactants assisted ball milling

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

Milling parameters such as the milling speed of 400 rpm, ball to powder ratio (40:1), milling time (30 h) and water cooled media were determined to be suitable for synthesizing nanosize (∼10 nm

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Surfactant Assisted Ball Milling: A Simple Top down

Surfactant Assisted Ball Milling: A Simple Top down Approach for the Synthesis of Controlled Structure Nanoparticle. dispersion and enhanced grinding of particles are achieved in the reaction centers that reside in the microstructure of surfactants. In high-energy ball milling, plastic deformation, cold-welding and fracture are predominant

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Surfactant-assisted ball milling of BaFe12O19 ferrite

1995-2-1  Ball milling. ELSEVIER Materials Chemistry and Physics 40 (1995) 21-29 MATERIALS CHEMISTRY AND PHYSICS Surfactant-assisted ball milling of BaFe12O19 ferrite dispersion W.A. Kaczmarek, B.W. Ninham Research School of Physical Sciences and Engineering, Institute of Advanced Studies, The Australian National University, Canberra, ACT 0200, Australia

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multistep (three steps) surfactant-assisted ball milling

2018-1-2  bution have been successfully obtained by three steps surfactant-assisted ball milling (SABM). The magnetic properties, phase structure and morphology of these MMCo 5 nanoflakes were studied in this work. The coercivity and the remanence ratio of MMCo

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Surfactant Assisted Ball Milling: A Simple Top down

2015-1-11  Ali, Md. Eaqub and Ullah, Mahbub and Ma'amor, Azman and Hamid, Sharifah Bee Abd (2013) Surfactant Assisted Ball Milling: A Simple Top down Approach for the Synthesis of Controlled Structure Nanoparticle. Advanced Materials Research, 832. pp. 356-361. ISSN 1022-6680 Full text not available from this repository.

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Surfactant-assisted ball milling of BaFe12O19 ferrite

Surfactant-assisted ball milling of BaFe 12 O 19 ferrite dispersion. Author links During room-temperature ball milling in aqueous dispersions a process of fast decomposition can be observed. On the basis of adsorption driven by electrostatic interactions it was possible to explain the effects of different surfactants on the milling

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Magnetic nanoparticles produced by surfactant-assisted

particles is by surfactant-assisted ball milling, a technique used for making magnetic fluids. 1–3 Surfactants aid in achieving smaller particle sizes during milling and dispersing

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Sm–Co hard magnetic nanoparticles prepared by

2007-10-12  Conclusions. In conclusion, Sm–Co nanoparticles with room-temperature ferromagnetism have been successfully produced by surfactant-assisted ball milling. The surfactants used could greatly enhance the dispersion of the nanoparticles in the nanoparticle solutions. A size-selection process based on the improved dispersion has been developed and

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Performance enhancement of NdFeB nanoflakes

2019-5-29  by surfactant-assisted ball milling at low temperature by using different surfactants Xiaoxin An 1,2,Kunpeng Jin 1,2,Fang Wang,Qiuli Fang 1,2

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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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ChemInform Abstract: Surfactant Assisted Ball

2015-9-1   "ChemInform Abstract: Surfactant Assisted Ball Milling: A Simple Top Down Approach for the Synthesis of Controlled Structure Nanoparticle, ChemInform" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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NbO disintegration by surfactant-assisted high

2021-7-31  The use of surfactants enabled us to obtain a stable suspension of niobium monoxide nanoparticles in water. Macrocrystalline niobium monoxide powder has been disintegrated to an average nanoparticle size of 20 ± 10 nm by high-energy milling in a planetary ba

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Surfactant Assisted Ball Milling: A Simple Top down

2015-1-11  Ali, Md. Eaqub and Ullah, Mahbub and Ma'amor, Azman and Hamid, Sharifah Bee Abd (2013) Surfactant Assisted Ball Milling: A Simple Top down Approach for the Synthesis of Controlled Structure Nanoparticle. Advanced Materials Research, 832. pp. 356-361. ISSN 1022-6680 Full text not available from this repository.

get price

multistep (three steps) surfactant-assisted ball milling

2018-1-2  bution have been successfully obtained by three steps surfactant-assisted ball milling (SABM). The magnetic properties, phase structure and morphology of these MMCo 5 nanoflakes were studied in this work. The coercivity and the remanence ratio of MMCo

get price

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.

get price

ChemInform Abstract: Surfactant Assisted Ball

2015-9-1   "ChemInform Abstract: Surfactant Assisted Ball Milling: A Simple Top Down Approach for the Synthesis of Controlled Structure Nanoparticle, ChemInform" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

get price

Magnetic nanoparticles produced by surfactant

2006-4-24  Nanoparticles of Fe, Co, FeCo, SmCo, and NdFeB systems with sizes smaller than 30 nm and narrow size distribution have been successfully prepared by ball milling in the presence of surfactants and organic carrier liquid. It has been observed that the nanoparticles prepared by milling

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FePt magnetic particles prepared by surfactant

High-energy ball milling of Fe and Pt elemental powders has been carried out under dry and wet (in presence of solvent and surfactants) conditions. Dry milling leads to the formation of the disordered FCC-FePt alloy whereas by the wet milling procedure the main process is the decrease of Fe and Pt particle size, although some dissolution of Pt into Fe grains cannot be ruled out, and no hint of

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Anisotropic Sm-(Co,Fe) nanoparticles by surfactant

2009-2-12  Magnetically hard Sm2(Co0.8Fe0.2)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 experiments took place in a milling vial with carbon

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Preparation of Nd–Fe–B nanoparticles by surfactant

2009-2-12  Nd–Fe–B nanoparticles have been obtained by using surfactant-assisted ball milling and subsequent size-selection technique. Structural analyses show that nanoparticles with two particle sizes around 10 and 100 nm were obtained.

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Processing and characterization of Nd 2 Fe 14 B

2018-7-25  The synthesis of hard magnetic nanoparticles based on the Nd 2 Fe 14 B system has been studied by means of surfactant-assisted ball milling technique. The XRD results show that, in the range of milling time employed (5, 10 and 20 h), a majority of Nd 2 Fe 14 B phase was detected in the nanoparticles, indicating that no oxidation took place during milling. . Mössbauer spectra were fitted

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Rare-Earth Three-Dimensional Transition Metal

A novel approach has been employed for the fabrication, which is surfactant-assisted high-energy ball milling. A two-step HEBM was used to prepare the nanoparticles and the nanoflakes. In the first step the coarse powders were brought into the nanocrystalline state by using HEBM in heptane without the presence of surfactants.

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Anisotropic Sm-(Co,Fe) nanoparticles by surfactant

N2 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

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Enhanced coercivity and remanence of PrCo nanoflakes

2015-5-15  Chin. Phys. B Vol. 24, No. 7 (2015) 077103 Enhanced coercivity and remanence of PrCo 5 nanoflakes prepared by surfactant-assisted ball milling with heat-treated starting powder Zuo Wen-Liang(左文亮)†, Zhao Xin(赵 鑫), Xiong Jie-Fu(熊杰夫), Shang Rong-Xiang(商荣翔),

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NITROGENATION AND SUBSEQUENT SURFACTANT

2020-11-29  Sm 2 Fe 17 melt-spun powders were subjected to the nitriding process and followed by surfactant-assisted high-energy ball milling (HEBM). The microstructures, morphology and magnetic properties were also investigated by X-ray diffractometer, scanning electron microscope and vibrating sample magnetometer.

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multistep (three steps) surfactant-assisted ball milling

2018-1-2  bution have been successfully obtained by three steps surfactant-assisted ball milling (SABM). The magnetic properties, phase structure and morphology of these MMCo 5 nanoflakes were studied in this work. The coercivity and the remanence ratio of MMCo

get price

Magnetic nanoparticles produced by surfactant

2006-4-24  Nanoparticles of Fe, Co, FeCo, SmCo, and NdFeB systems with sizes smaller than 30 nm and narrow size distribution have been successfully prepared by ball milling in the presence of surfactants and organic carrier liquid. It has been observed that the nanoparticles prepared by milling

get price

Anisotropic Sm-(Co,Fe) nanoparticles by surfactant

2009-2-12  Magnetically hard Sm2(Co0.8Fe0.2)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 experiments took place in a milling vial with carbon

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Permanent Magnetic Nanoparticles and Nanoflakes

Effect of ball milling parameters, types, amount of surfactants and external magnetic field on the morphology, structure and magnetic properties of permanent magnetic materials are reviewed. This study also reports on the unusual formation mechanism, optimization and the role of surfactants to form textured SmCo 5 and Nd 2 Fe 14 B flakes.

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NITROGENATION AND SUBSEQUENT SURFACTANT

Sm2Fe17 melt-spun powders were subjected to the nitriding process and followed by surfactant-assisted high-energy ball milling (HEBM). The microstructures, morphology and magnetic properties were also investigated by X-ray diffractometer, scanning electron microscope and vibrating sample magnetometer. The results showed that the coercivities of the nitrided Sm2Fe17 powders were 1.64 kOe and 3

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Preparation of Nd–Fe–B nanoparticles by surfactant

2009-2-12  Nd–Fe–B nanoparticles have been obtained by using surfactant-assisted ball milling and subsequent size-selection technique. Structural analyses show that nanoparticles with two particle sizes around 10 and 100 nm were obtained.

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NITROGENATION AND SUBSEQUENT SURFACTANT

2020-11-29  Sm 2 Fe 17 melt-spun powders were subjected to the nitriding process and followed by surfactant-assisted high-energy ball milling (HEBM). The microstructures, morphology and magnetic properties were also investigated by X-ray diffractometer, scanning electron microscope and vibrating sample magnetometer.

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[PDF] Anisotropic bonded magnets fabricated via

Anisotropic bonded magnets are fabricated by surfactant-assisted ball milling in a magnetic field and magnetic field alignment of the milled chip-like nanoparticles of the Sm–Co and Nd–Fe–B materials. It is found that the application of magnetic fields during the ball milling strengthens the anisotropy of the chips and therefore improves the alignment. For SmCo5 phase-based chips, for

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Enhanced coercivity and remanence of PrCo nanoflakes

2015-5-15  Chin. Phys. B Vol. 24, No. 7 (2015) 077103 Enhanced coercivity and remanence of PrCo 5 nanoflakes prepared by surfactant-assisted ball milling with heat-treated starting powder Zuo Wen-Liang(左文亮)†, Zhao Xin(赵 鑫), Xiong Jie-Fu(熊杰夫), Shang Rong-Xiang(商荣翔),

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

2017-1-23  Hence, surfactant-assisted high-energy ball milling is effective in reducing the particle size by varying the ball milling time. In Fig. 4 the TEM images are shown of the Mn 1.25Fe 0.7P 0.6Si 0.4 nanoparticles synthesized by ball milling for different times (2.5, 5.0, 7.5 and 10.0 hours) using oleic acid as the surfactant show

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Characterization of Amorphous Ni-Nb-Y

2019-9-13  Amorphous Ni79.2Nb12.5Y8.3 and Ni81.3Nb6.3Y12.5 nanoparticles were synthesized using cryogenic mechanical alloying followed by surfactant-assisted high energy ball milling (SA-HEBM). These alloys were tested towards the hydrogen evolution reaction (HER) along with pure crystalline Ni and Ni5Y nanoparticles also produced through SA-HEBM. This two-stage ball milling

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Sm–Co hard magnetic nanoparticles prepared by

2007-10-12  Hard magnetic nanoparticles based on the Sm 2 Co 17 and SmCo 5 systems have been successfully produced using a surfactant-assisted ball milling technique. A size-selection process has been developed to obtain nanoparticles of different sizes with narrow size distribution.

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APS -2009 APS March Meeting Event Anisotropic

Surfactants prevent the re-welding of the crashed particles during the milling process and thus limit the particle growth. Oleic acid was used as the surfactant and the heptane as the milling medium. High energy ball milling experiments took place in a milling vial with carbon steel balls by using a Spex 8000M high energy ball milling machine.

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