SURFACTANT-ASSISTED BALL MILLING: A NOVEL ROUTE

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

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 5 nanoflakes reached to 5.89 kOe and 0.75, respectively. The X-ray powder

(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

Surfactant Assisted Ball Milling: A Simple Top down

Surfactant-assisted high energy ball milling (HEBM) is usually used for the preparation of separated Sm–Co-based hard nanoparticles. In this study, Sm2Co17 hard nanoparticles have been

Magnetic nanoparticles produced by surfactant-assisted

2013-4-8  ball milling can be quite wide compared with the chemical methods. The chemical methods, nevertheless, have had lim-ited success in the synthesis of hard magnetic nanoparticles of rare-earth compounds.7,8 Traditionally, surfactant-assisted ball milling technique has been used mainly for preparing ferrite nanoparticles, and not many studies have

(PDF) Anisotropic Sm-(Co,Fe) Nanoparticles by

The production of surfactant-assisted metallic nanoparticles of TbCu2 has been achieved by the combination of high-energy ball milling in tungsten carbide containers and the use of oleic acid

Ball Milling of Copper Powder Under Dry and Surfactant

2019-8-14  Ball Milling of Copper Powder Under Dry and Surfactant-Assisted Conditions Musza et al. the grain and reduce their mobilities.19 20 As the result of stabilization, the agglomeration processes are suppressed, and the unimodal dispersity of the milled powders can be enhanced.21 In experimental work leading to this contribution,

Surfactant Assisted Ball Milling: A Simple Top down

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.

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.

Anisotropic PrCo- Nanoparticles by Surfactant

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.

Anisotropic PrCo Nanoparticles by Surfactant-Assisted

Magnetically hard PrCo<sub>5</sub> 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.

Sm–Co hard magnetic nanoparticles prepared by

2007-10-12  The described surfactant-assisted ball milling and size-selection processes are promising for fabrication of nanoparticles of other rare-earth-containing magnetic materials (e.g., Nd 2 Fe 14 B nanoparticles) and can be developed to be a versatile technique of nanoparticle preparation for other materials in general.

Anisotropic bonded magnets fabricated via surfactant

2018-12-5  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

Ball Milling of Copper Powder Under Dry and Surfactant

2019-8-14  Ball Milling of Copper Powder Under Dry and Surfactant-Assisted Conditions Musza et al. the grain and reduce their mobilities.19 20 As the result of stabilization, the agglomeration processes are suppressed, and the unimodal dispersity of the milled powders can be enhanced.21 In experimental work leading to this contribution,

Anisotropic Sm-(Co,Fe) nanoparticles by surfactant

2019-3-20  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

Sm--Co hard magnetic nanoparticles prepared by

2017-10-1  We have adopted a surfactant-assisted ball milling method to produce magnetic nanoparticles of variouscompositions[14]. However,widesizedistributionand particle contamination are still two major barriers en route for further applications of ball-milled magnetic nanoparticles. For instance, a ball-milled nanoparticle powder with average size

Processing and characterization of Nd 2 Fe 14 B

The synthesis of hard magnetic nanoparticles based on the Nd2Fe14B 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 Nd2Fe14B phase was detected in the nanoparticles, indicating that no oxidation took place during milling.

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.

Anisotropic PrCo Nanoparticles by Surfactant-Assisted

Magnetically hard PrCo<sub>5</sub> 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.

Preparation of MnAlC flakes by surfactant-assisted

2017-3-2  An alternative approach for preparing anisotropic MnAlC powders is reported. [001] textured MnAlC flakes with various sizes and thicknesses were fabricated by surfactant-assisted ball-milling (SABM) of bulk ingots. After ball-milling for 8 h the flakes have thicknesses below 200 nm and aspect ratios as high as 10 2 ∼10 3. After being annealed

Anisotropic Sm-(Co,Fe) nanoparticles by surfactant

2019-3-20  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

Anisotropic Sm-Co(Fe) Nanoparticles Produced by

Magnetically hard SmCo 5 and Sm 2 (Co 0.8 Fe 0.2 ) 17 nanoparticles have been produced by using surfactant assisted low- and high-energy ball milling. 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.

Sm--Co hard magnetic nanoparticles prepared by

2017-10-1  We have adopted a surfactant-assisted ball milling method to produce magnetic nanoparticles of variouscompositions[14]. However,widesizedistributionand particle contamination are still two major barriers en route for further applications of ball-milled magnetic nanoparticles. For instance, a ball-milled nanoparticle powder with average size

High anisotropic NdFeB submicro/nanoflakes

Hard magnetic NdFeB submicro/nanoflakes were successfully prepared by surfactant-assisted ball milling at low temperature (SABMLT) by specially using 2-methyl pentane and trioctylamine (TOA) as solvent and surfactant, respectively. Influences of the amount of TOA and milling temperature on the crystal structure, morphology and magnetic performances of the as-prepared NdFeB powders were

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

2017-1-23  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 as lubricant on the particle surfaces to

The magnetic properties of (La,Ce)Co5

2019-5-10  The hard magnetic (La,Ce)Co 5 nanoflakes with high coercivity and narrow thickness distribution have been successfully obtained by surfactant-assisted ball milling (SABM). The magnetic properties, morphology and interaction of (La,Ce)Co 5 nanoflakes are studied in this work. The coercivity and remanence ratio of (La,Ce)Co 5 nanoflakes are 5.48 kOe and 0.71, respectively.

Role of Surfactants in Nanotechnology and Their

2017-7-18  milling methods used by different researchers includes dry milling and ball milling techniques (Philip, 2001). In vapor-phase synthesis of nanoparticles, the formation of nanoparticles takes place in gas phase. In this synthesis technique the condensation of atoms and molecules is carried out. The vapor phase synthesis is