Hot-Dipping/Immersion Processes TRIZ Cases

Segmented Zn-Mg alloy layers with optimized MgZn2 phase ratios resolve the trade-off between corrosion resistance and plating adhesion on base steel.

Immersion of ceramic substrates in aluminum melts deposits dense, defect-free metal films that eliminate oxide barriers and enable strong brazing bonds.

Extended low-temperature annealing of cold-rolled steel increases yield ratio above 0.7, resolving the trade-off between high strength and formability.

A ferritic stainless steel sheet containing zirconium or hafnium suppresses density variations during aluminum diffusion.

A light metal control unit housing uses a separate protective layer to prevent corrosion infiltration at joints while maintaining low material costs.

Draining device removes water from humidifying apparatus to prevent condensation and roll pick-up in the soaking zone.

A steel sheet with a deboronized surface layer achieves high tensile strength through controlled microstructure.

Nitriding introduces precipitates that pin grain boundaries, resolving uneven crystal growth to achieve ultralow core loss.

Copper or silver salt coatings prevent stubborn carbon buildup in gas turbine engines by catalyzing loose coke formation.

Residual austenite with high aspect ratio absorbs hydrogen to prevent embrittlement cracking during spot welding.

Manganese addition promotes pseudoternary eutectic formation that captures iron, preventing needle-like precipitates and localized corrosion.

A copper alloy with specific Zn, Sn, Ni, Fe, and P compositions achieves high yield strength through precipitation hardening.

Dual-stage seal roll devices prevent atmospheric gas exchange in the snout, eliminating switching time between hot-dip-plated and cold-rolled production routes.

An external refiner lowers the dew point in a vertical annealing furnace, suppressing oxide formation on steel strips.

A hot-dip Zn-Al-Mg coated steel sheet uses controlled reduction heat treatment to form internal oxides and stabilize coating adhesion.

A hot-dip coated steel sheet features a textured surface with stochastically distributed valleys and peaks.

Martensitic steel sheet with controlled MnS inclusions and surface hardness.

Low silicon steel composition maintains zinc wettability while achieving high strength and formability.

Dendritic columnar crystals in a zinc-vanadium coating improve corrosion resistance and painting adhesion while preventing surface cracks during electrocoating.

Ferritic stainless steel with thermal spray coating resists erosion in high-aluminum hot-dip baths.

Sulfur-based inhibitors create sulfide layers on galvanized surfaces, preventing white rust in alkaline water systems without hazardous acids.

Optimizing annealing and cooling parameters stabilizes stretch flangeability while maintaining 590 MPa tensile strength in galvanized steel production.

Composite microstructures balance strength against workability, resolving spot weld cracking and axial compression stability issues in automotive parts.

AlB2 intermediaries stabilize dispersion in the bath, ensuring uniform fine spangles without precipitation.

A high-strength steel sheet uses controlled retained austenite and fine TiN grains to enhance structural integrity.

Aqueous cooling suppresses blackening while maintaining high production speed.