Hot-Dipping/Immersion Processes TRIZ Cases

Elevated manganese and silicon content with continuous annealing resolves the contradiction between tensile strength and formability.

Lewis acid-base builders ensure uniform wetting on zinc-coated steel, resolving inconsistent cleaning results in series processes.

A cold rolled zinc coated steel sheet undergoes post batch annealing to enhance yield strength and hole expansion.

Retained austenite TRIP effect raises yield ratio to 68% while maintaining formability and weldability.

A tin-coated steel sheet incorporates a zirconium chemical treatment layer formed via cathode electrolytic deposition to enhance surface adhesion properties.

Pre-depositing alloy control material prevents silicon-induced brittleness and corrosion pathways in zinc-aluminum coatings.

Zirconium oxide and tin oxide films on Sn-plated steel sheets prevent discoloration during heating without hexavalent chromium.

Hot-dipped steel with an aluminum-zinc alloy plating layer containing controlled magnesium and chromium elements prevents wrinkling during solidification.

High char-yielding slurry reacts with molten metal infiltrant to form carbides, reducing residual metal content in ceramic matrix composites.

A Zn-based coating layer on a steel sheet suppresses scale formation during high-temperature heating.

Aluminum-based plated steel sheet with controlled intermetallic compound layer thickness.

Continuous melt cleaning via a hydrocyclone removes slag without system downtime, preventing surface defects and reducing waste in hot-dip coating operations.

A pre-cooling system divides a cooling box into sections with internal regulating devices to adjust gas flow rate and pressure independently.

An Al-Fe coated steel member controls carbon distribution to resolve the trade-off between high tensile strength and poor formability in complex vehicle shapes.

Controlled cooling rates optimize ferrite and martensite fractions to resolve in-plane stretch-flangeability variations.

A steel sheet method uses controlled quenching and partitioning to produce a specific martensite, bainite, and retained austenite microstructure.

Controlled heat treatment forms a soft layer with tempered martensite to balance bendability and deformation load in high strength steel.

Furnace uses adjustable baffles to create separate thermal zones for precise temperature control.

Pre-depositing a nickel-rich platinum layer eliminates diffusion steps that create ineffective PtAl2 plates, shortening process duration and lowering costs.

Controlled oxidation and reduction-annealing processes manage Si and Mn surface oxides on high-strength galvanized steel sheets.

Liquid phase metallic glass achieves thick, smooth layers via surface tension, overcoming rough finishes and high costs of thermal spraying.

Pre-oxidation prevents Si and Mn enrichment on hot-dip Al-Zn coated steel sheets, ensuring uniform coating coverage and joint corrosion resistance.

An intermediate nickel layer prevents brittle intermetallic formation, resolving adhesion loss and coating flaking during deformation.

Stainless steel flux core wire with optimized slag formation agents prevents zinc embrittlement cracks while maintaining corrosion resistance and arc stability.

Control reducing atmosphere partial pressures to drive internal SiO2 oxidation for improved zinc plating wettability on high strength steel.

Optimized aluminum and magnesium content in the plating bath prevents surface discoloration while maintaining superior corrosion protection.

Low-alloy steel with controlled Cr, Ni, and Cu composition reduces galvanic corrosion and production costs compared to high-alloy stainless steels.

Synchronized deflector arms maintain strip edge alignment, eliminating manual adjustments in hostile galvanizing environments.

Sulfonic acid flux prevents woodgrain and oxidation defects while maintaining plating speed.

Dual pickling removes Si oxides from high-strength steel sheets, resolving coating wettability deterioration while maintaining strength-elongation balance.

A high strength steel sheet with optimized chemical composition achieves compatible formability and galvanizing treatment properties.

Segmented furnace zones prevent aluminized coating melting while maintaining high line productivity.

A flow regulation plate with a gap structure directs molten metal plating bath flow along the stabilizing roll.

Controlled heat treatment manages oxide formation on high silicon manganese steel sheets to improve molten zinc wettability.

Surface grains reduce machining particles and improve speed in electro-discharge machining.

Tempered hot-stamped steel with a specific zinc coating microstructure.

A three-section furnace controls steel strip surface reactions through segmented heating and atmosphere management.

Segmented partitions with decreasing hole diameters minimize turbulence and load losses, ensuring uniform coating thickness on metal strips.

Low solidus temperature iron alloy coating resists cavitation erosion in cast iron components without thermal damage.

Manganese diffusion suppresses zinc oxide growth at the interface, preserving coating adhesion during high-strength hot stamping.

A dual-phase steel substrate combines martensite and ferrite to achieve high tensile strength while minimizing edge crack tendency during forming.

Fe3O4 protective film reduces hydrogen embrittlement susceptibility in high-strength steel sheets exceeding 1.5 GPa tensile strength.

A hot-dip Sn-Zn plated steel sheet uses a diffusion alloy layer to stabilize plating deposition on high-chromium substrates.

A phosphated steel flat product uses an aluminum-based coating to absorb infrared radiation and increase heating rates during hot forming.

Dry ice blasting removes oxide layers from cathodic coatings via sublimation, enabling paint adhesion without damaging the zinc layer.