Page 19 - Raport_engleza_2019

Services, products and technologies offered by laboratory:
Services:
• obtaining and characterization of magnetic powders and magnets;
• cuts of magnetic/metalic materials;
• modeling/simulations/designs of magnetic circuits/devices;
• obtaining glass-covered ferromagnetic/metalic microwires;
• processing metals and metallic alloys;
• thermal treatments with / without magnetic field;
• climate tests (temperature of -40÷+180⁰C, relative humidity 10 – 99% RH for temperatures greater than 200⁰C).
Products:
• Ni-Zn low-loss ferrite material with applications in electronics and defense industry for broadband filters and
transformers;
• isotropic magnetic rare earth-based nanocomposite materials;
• AlNiCo permanent magnets;
• NdFeB-based bonded permanent magnets;
• NdFeB sintered magnets with high magnetic stability;
• FeCo electrically insulated nanopowders;
• Hallbach cylinder – generator of rotational and homogenous magnetic field;
• aerial electric conductor with self-protection for frost and ice deposits for high voltage lines;
• fluorescent powder (PDMF) for non-destructive defectoscopic control of ferromagnetic materials (wet method);
• fluorescent powder (PDMUF) for non-destructive defectoscopic control of ferromagnetic materials (dry method);
• contrast powder (PDMUC) for non-destructive defectoscopic control of ferromagnetic materials (dry method);
• flexible electromagnetic shields;
• electromagnetic shields for SEEM microwaves (0.8 – 10 GHz);
• EEM electromagnetic shields (50 Hz – 1 MHz);
• magnetic couplings:
• security elements with ferromagnetic microwires:
• glass isolated microwires from Cu and FeSiB;
• magnetite-saccharide-type magnetic composite for the diagnosis of malignant tumours (BIOMAG);electromagnetic
shield from composite textile with ferromagnetic microwires
• as shielding element;
• nanostructured Ag-based conductive adhesive composition;
• vegetable oils-based magnetic fluid;
• magnetic metal nanopowder FeO;
• magnetic metal alloy nanopowder FeCo;
• magnetic metal alloy nanopowder FeNi;
• ferromagnetic semiconductor oxide nanoparticles Zn 0.97 Ni 0.03 O;
• ferromagnetic semiconductor oxide nanoparticles Zn Ni O.
0.99 0.05

Technologies:
• paper securing process using ferromagnetic microwires;
• process for obtaining AlNiCo permanent magnets;
• process for obtaining NdFeB sintered magnets with high magnetic stability.

Development goals:
• hard magnetic materials with low content or even without rare earths;
• soft magnetic materials for IE3 class motors;
• magnetic materials for sensor ans MEMS applications (glass insulated microwires, thin or thick magnetic layers
etc.)
• securized paper for magnetic information encoding;
• study of the behaviour in time of stressed FeSi sheets;
• identification of new materials for permanent magnets and the substitution of deficient raw materials.

2019 ANNUAL REPORT | PAGE 19