magnetic field assisted ball milling

  • Flaky FeSiAl alloy-carbon nanotube composite with tunable

    Oct 20 2016 · After ball milling for 8 h a minimum RL value of −42.8 dB at 12.3 GHz was achieved in FeSiAl/MWCNT composite with 2 wt. MWCNT content at a very thin coating thickness of 1.9 mm.

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  • Morphology and magnetic properties of CeCo 5 submicron

    CeCo 5 permanent magnetic alloy has been processed by surfactant assisted high energy ball milling. Heptane and oleic acid were used as the solvent and surfactant respectively. The amount of surfactant used was 50 by weight of the starting powder. The produced particles were deposited on a piece of copper (4 mm in length and width) under a magnetic field of 27 kOe applied along the copper

    Read More
  • Anisotropic bonded magnets fabricated via surfactant

    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

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  • Anisotropic nanostructured magnets by magnetic-field

    Apr 15 2010 · Structural and magnetic characterizations show the alignment of the c-axis of the SmCo 5 grains upon the magnetic-field-assisted ball milling while the grain size was controlled under 15 nm. The formation of the texture may be attributed to the effect of magnetic fields on the grain orientation during the cold welding process during ball milling.

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  • CiteSeerX — JOURNAL OF PHYSICS D APPLIED PHYSICS

    CiteSeerXDocument Details (Isaac Councill Lee Giles Pradeep Teregowda) Anisotropic bonded magnets fabricated via surfactant-assisted ball milling and magnetic-field processing This article has been downloaded from IOPscience. Please scroll down to see the full text article.

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  • Effect of ball milling on defects level Curie point and

    Measuring TG/DTG curves in a magnetic field allowed on the one hand to confirm a significant difference in Curie points for different types of samples on the other hand to detect the presence of an additional magnetic phase in ball-milled ferrite ceramics samples. KWBall milling. KWDefects level. KWFerrite ceramics

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  • Structure and size-dependent properties of NdFeB

    from milling of HDDR powder S K Pal K Güth T G Woodcock et al.-Anisotropic bonded magnets fabricated via surfactant-assisted ball milling and magnetic-field processing Narayan Poudyal Van Vuong Nguyen Chuan-bing Rong et al.-Recent citations Microstructure improved magnetic properties and recoil loops characteristics for MnBi alloys Y.L

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  • Strong textured SmCo 5 nanoflakes with ultrahigh

    Aug 14 2015 · The high coercivity of 26.2 kOe for SmCo5 nanoflakes are obtained by multistep (three steps) surfactant-assisted ball milling. The magnetic

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  • Structure and Properties Evolutions for Hard Magnetic MnAl

    now MnAl-based hard magnetic alloys have not been prepared by surfactant-assisted ball milling (SABM) technique yet. As is well known SABM has drawn great attention recently for the fabrication of high performance anisotropic NdFeB 18 19 and SmCo 20-22 hard magnetic nanoparticles and sub-micro-flakes with controlled particles size and shape.

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  • Strong textured SmCo 5 nanoflakes with ultrahigh

    Aug 14 2015 · The high coercivity of 26.2 kOe for SmCo5 nanoflakes are obtained by multistep (three steps) surfactant-assisted ball milling. The magnetic

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  • SmCo5/Fe nanocomposite magnetic powders processed by

    Abstract A magnetic field-assisted ball milling has been employed for the preparation of SmCo 5 10 wt Fe nanocomposite powders in the presence of oleic acid as surfactant. Milling experiments were also carried out without using surfactant and the nanocomposite powders so obtained with and without surfactant were investigated for their structural and magnetic properties using SEM XRD VSM

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  • Anisotropic bonded magnets fabricated via surfactant

    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

    Read More
  • Large coercivity in anisotropy compensated Tb 0.3 Dy 0.7

    The cast alloy was melt spun and ball milled (with and without magnetic field) to impart microstructural refinement and correlated with the development of coercivity. Coercivity as high as 6500 Oe obtained during magnetic field assisted ball milling due to fine particle size alignment of particles and strain.

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  • (PDF) Anisotropic Bonded Magnets Fabricated via Surfactant

    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

    Read More
  • The synthesis of Cu/Fe/Fe3O4 catalyst through the aqueous

    In this paper nano-magnetic Cu/Fe/Fe3O4 catalyst was prepared by a new aqueous solution ball milling method assisted by high-frequency electromagnetic field at room temperature. The products were characterized by means of X-ray diffraction (XRD) high-resolution transmission electron microscope (HRTEM) selected area electron diffraction (SAED) and vibrating sample magnetometer (VSM).

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  • Anisotropic bonded magnets fabricated via surfactant

    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

    Read More
  • Anisotropic nanostructured magnets by magnetic-field

    Apr 15 2010 · Structural and magnetic characterizations show the alignment of the c-axis of the SmCo 5 grains upon the magnetic-field-assisted ball milling while the grain size was controlled under 15 nm. The formation of the texture may be attributed to the effect of magnetic fields on the grain orientation during the cold welding process during ball milling.

    Read More
  • (PDF) SmCo 5 /Fe nanocomposite magnetic powders processed

    SmCo 5 /Fe nanocomposite magnetic powders processed by magnetic field-assisted ball milling with and without surfactant

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  • Anisotropic Sm-(Co Fe) nanoparticles by surfactant

    High-energy ball milling experiments took place in a milling vial with carbon steel balls by using an SPEX 8000M high-energy ball milling machine. The coercivity was found to increase with milling time with values of 2.3 kOe for Sm 2 (Co 0.8 Fe 0.2) 17 and 18.6 kOe for SmCo 5 after 4 h of milling.

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  • Magnetic Field Assisted Machining

    an effort to prolong tool life magnetic field assisted machining can be applied in particular when tool vibration or chatter is the cause for the rapid tool wear. This paper summarizes magnetic field assisted machining processes including drilling milling and turning. The effect of magnetic field use in combination with other machining

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  • Corrigendum Anisotropic bonded magnets fabricated via

    Corrigendum Anisotropic bonded magnets fabricated via surfactant-assisted ball milling and magnetic-field processing

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  • Improved efficiency for preparing hard magnetic Sm2Fe17NX

    The plasma assisted ball milling technology is employed for the preparation of hard magnetic Sm 2 Fe 17 N X magnetic powders for the first time. Using conventional high-energy ball milling Sm 2 Fe 17 alloy powders can only be prepared from Sm 2 Fe 17 alloy precursor but not from Sm and Fe metal precursor. However by the plasma-assisted ball milling Sm 2 Fe 17 alloy powders with very fine

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  • List of manufacturing processesWikipedia

    This section does not cite any sources. Please help improve this section by adding citations to reliable sources.Unsourced material may be challenged and removed. (December 2009) (Learn how and when to remove this template message)

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  • (PDF) SmCo 5 /Fe nanocomposite magnetic powders processed

    SmCo 5 /Fe nanocomposite magnetic powders processed by magnetic field-assisted ball milling with and without surfactant

    Read More
  • SmCo5/Fe nanocomposite magnetic powders processed by

    A magnetic field-assisted ball milling has been employed for the preparation of SmCo 5 10wt Fe nanocomposite powders in the presence of oleic acid as surfactant. Milling experiments were also carried out without using surfactant and the nanocomposite powders so obtained with and without

    Read More
  • Dispersion of Barium Ferrite Particles for Slip Casting in

    Water-based slurries containing barium ferrite particles have been prepared and slip cast in magnetic field. This paper presents the characteristics of the suspensions in terms of Iso-Electric Points (IEP) and zeta potential that were evaluated through pH titration and polymer adsorption. Both enlarging the specific surface area of particles by planetary milling and adjusting the pH to low

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  • Magnetic properties of TbFe2 particles prepared by

    Journal of Magnetism and Magnetic Materials Volume 343 October 2013 Pages 144-148 Magnetic properties of TbFe 2 particles prepared by magnetic field assisted ball milling

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  • MAIC Magnetically Assisted Impact Coating AVEKA

    MAIC pronounced "mace " is a patented process used to coat smaller particles onto larger particles or to apply small amounts of liquids onto particles. The system relies on a pounding process in which small magnets in an oscillating magnetic field are fluidized to rapidly force the

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  • Structure and Properties Evolutions for Hard Magnetic MnAl

    now MnAl-based hard magnetic alloys have not been prepared by surfactant-assisted ball milling (SABM) technique yet. As is well known SABM has drawn great attention recently for the fabrication of high performance anisotropic NdFeB 18 19 and SmCo 20-22 hard magnetic nanoparticles and sub-micro-flakes with controlled particles size and shape.

    Read More
  • Morphology and magnetic properties of CeCo 5 submicron

    CeCo 5 permanent magnetic alloy has been processed by surfactant assisted high energy ball milling. Heptane and oleic acid were used as the solvent and surfactant respectively. The amount of surfactant used was 50 by weight of the starting powder. The produced particles were deposited on a piece of copper (4 mm in length and width) under a magnetic field of 27 kOe applied along the copper

    Read More

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