Search Results - "GOLL, Dagmar"
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Shape Anisotropy of Grains Formed by Laser Melting of (CoCuFeZr)17Sm2
Published in Metals (Basel ) (01-09-2024)“…For permanent magnetic materials, anisotropic microstructures are crucial for maximizing remanence Jr and maximum energy product (BH)max. This also applies to…”
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2
A data-driven approach to predict the saturation magnetization for magnetic 14:2:1 phases from chemical composition
Published in AIP advances (01-01-2024)“…14:2:1 phases enable permanent magnets with excellent magnetic properties. From an application viewpoint, saturation polarization, Curie temperature, and…”
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3
In Situ Visualization of Inhomogeneities in the Magnetic Properties of Permanent Magnets
Published in Metrology (22-09-2024)“…Irreversible demagnetization processes in high-performance Fe-Nd-B magnets were investigated using a novel test rig. Designed to capture local magnetic field…”
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4
Grain size analysis in permanent magnets from Kerr microscopy images using machine learning techniques
Published in Materials characterization (01-04-2022)“…Understanding the relationships between composition, structure, processing and properties helps in the development of improved materials for known applications…”
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5
Additive Manufacturing of Bulk Nanocrystalline FeNdB Based Permanent Magnets
Published in Micromachines (Basel) (10-05-2021)“…Lab scale additive manufacturing of Fe-Nd-B based powders was performed to realize bulk nanocrystalline Fe-Nd-B based permanent magnets. For fabrication a…”
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6
Machine learning-based Curie temperature prediction for magnetic 14:2:1 phases
Published in AIP advances (01-03-2023)“…The TM14RE2B-based phases (TM = transition metal, RE = rare earth metal; hereafter called 14:2:1) enable permanent magnets with outstanding magnetic…”
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7
Additive Manufacturing of Textured FePrCuB Permanent Magnets
Published in Micromachines (Basel) (31-08-2021)“…Permanent magnets based on FePrCuB were realized on a laboratory scale through additive manufacturing (laser powder bed fusion, L-PBF) and book mold casting…”
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The Microstructure and Magnetic Properties of a Soft Magnetic Fe-12Al Alloy Additively Manufactured via Laser Powder Bed Fusion (L-PBF)
Published in Metals (Basel ) (01-01-2024)“…Soft magnetic Fe-Al alloys have been a subject of research in the past. However, they never saw the same reception in technical applications as the Fe-Si or…”
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9
Additively Manufactured Transverse Flux Machine Components with Integrated Slits for Loss Reduction
Published in Metals (Basel ) (01-11-2022)“…Laser powder bed fusion (L-PBF) was used to produce stator half-shells of a transverse flux machine from pure iron (99.9% Fe). In order to reduce iron losses…”
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10
Analysis of soft magnetic materials by electron backscatter diffraction as a powerful tool
Published in AIP advances (01-04-2018)“…The current work demonstrates that electron backscatter diffraction (EBSD) is a powerful and versatile characterization technique for investigating soft…”
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11
Structure and Properties of Nanograined Fe-C Alloys after Severe Plastic Deformation
Published in Advanced engineering materials (01-06-2011)“…The microstructure and properties of several Fe–C alloys are studied in a) the as‐cast state, b) after a long annealing time at 725 °C, and, c) after…”
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Large-area hard magnetic L10-FePt and composite L10-FePt based nanopatterns
Published in Physica status solidi. A, Applications and materials science (01-07-2013)“…Bit‐patterned media with a regular arrangement of extremely hard magnetic nanodots is a very promising concept for next generation ultrahigh density magnetic…”
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13
Novel Permanent Magnets by High-Throughput Experiments
Published in JOM (1989) (06-05-2015)Get full text
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14
Coercivity and domain structure of nanograined Fe–C alloys after high-pressure torsion
Published in Journal of materials science (01-06-2008)“…The microstructure and magnetic properties of binary hypo- and hyper-eutectoid Fe–C alloys were studied. The investigations have been carried out on the…”
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15
Micromagnetism and microstructure – tailoring of high-performance permanent magnets
Published in International journal of materials research (12-02-2022)“…The magnetic properties of hard magnetic materials are closely connected to their microstructure. The complexity of this correlation is demonstrated for the…”
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16
Exploring Sintered Fe-(Ce, Nd)-B with High Degree of Cerium Substitution as Potential Gap Magnet
Published in Materials (25-06-2024)“…The more effective use of readily available Ce in FeNdB sintered magnets is an important step towards more resource-efficient, sustainable, and cost-effective…”
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17
High‐Cerium‐Content Fe–Ce–Nd–B Sintered Magnets with High Coercivity
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-11-2024)“…Ce substitution of Nd in FeNdB sintered magnets is very interesting for reasons of resource efficiency, sustainability and costs. However, the magnetic…”
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18
The Field-Dependent Magnetic Viscosity of FeNdB Permanent Magnets
Published in Materials (02-01-2024)“…The time-dependent decrease of the magnetic polarization of magnet materials in the presence of an opposing field is well known as the magnetic viscosity or…”
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19
Deep learning and correlative microscopy for quantification of grain orientation in sintered FeNdB-type permanent magnets by domain pattern analysis
Published in Acta materialia (01-01-2024)Get full text
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20
Reaction sintering as a high-throughput approach for magnetic materials development
Published in Scripta materialia (15-03-2018)“…Experimental high-throughput approaches based on diffusion couples in reaction crucibles recently have been successfully introduced in the research of magnetic…”
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