Inorganic Material Magnetism TRIZ Cases

Precise K, Si, Ca, and Nb additions help MnZnCo ferrite cut magnetic loss and stabilize performance across wide frequency and temperature ranges.

Controlled finish annealing stabilizes the forsterite undercoat and Sn, Sb, Mo boundary concentration to prevent stripping during domain subdividing.

Spherical ferrite fillers improve flowability, permeability, and mixing uniformity while avoiding costly crushing and milling of irregular particles.

Fe-Co-N-V alloying, tetragonal iron nitride phases, and retained tensile strain raise Bs above 2.20 T while keeping iron loss low.

Copper cobalt ferrites with a cubic crystal phase deliver high magnetostriction without rare earths, improving manufacturability and supply resilience.

Controlled alloy composition and crystal texture help non-oriented electrical steel maintain low iron loss under compressive stress in motor cores.

Downward-facing groove coating improves adhesion and insulation on grain-oriented electrical steel, helping cut iron loss after annealing.

Optimized Si, Mn, Al, and surface nitrogen help electrical steel keep high strength, low iron loss, and cold-rolling toughness.

Rapid cooling during hot-band or intermediate annealing reshapes recrystallization texture and stabilizes magnetic flux density in grain-oriented steel.

Fe-Ni-Si-Cr magnetic powder in a thermosetting resin lowers melt viscosity while preserving permeability and reducing magnetic loss.

A phosphate intermediate layer replaces forsterite film to cut iron loss while maintaining insulation coating adhesion on grain-oriented electrical steel.

Coil annealing and tuned C, Si, Mn, and Sb or Sn control β-angle deviation in Goss grains to cut iron loss and keep flux density.

Bent corner sections in a three-legged wound core reduce flux concentration and eddy-current loss while keeping a single steel material.

Mid-thickness texture balancing during hot rolling and coiling reduces angular flux deviation while supporting mass production of motor-core steel.

Optimized MnZn ferrite composition and cooling-stage oxidation cut high-temperature power loss while maintaining low loss from 25-150°C.

Radially arranged anisotropic magnetic sheet pieces align with local flux to stabilize Q2 and preserve shielding in non-contact charging coils.

Ferrite powder with controlled composition and particle size improves magnetic field orientation, raising bonded magnet Br and energy product.

Laser grooving and controlled annealing create a uniform forsterite film that blocks nitriding and carburizing while preserving magnetic properties.

Laser-formed grooves and fine grains in the glass coating refine magnetic domains, cutting core loss without lowering flux density.

Controlled alloy composition and grain orientation cut high-frequency core loss while keeping magnetic properties uniform in non-oriented electrical steel.

Fe-clustered MgO powder improves coating reactivity while limiting annealed coil deformation and preserving a uniform coat appearance.

Epoxy resin fills gaps between soft magnetic particles to prevent coil short circuits, cut eddy current loss, and raise Q value.

Potassium in MnZnCo ferrite raises resistivity and refines grains, reducing high-frequency magnetic loss across a wide temperature range.