Hot-Dipping/Immersion Processes TRIZ Cases

A sealed reaction chamber circulates oxidizing gas to form a uniform oxide layer, preventing furnace hydrogen from impairing coating adhesion quality.

Decarburized ferrite layer with tempered martensite islands enhances elongation and bendability in plated steel sheets.

Segmented ferrite and martensite phases balance tensile strength with formability while limiting diffusible hydrogen to prevent liquid metal embrittlement.

A galvanized steel sheet with controlled internal oxides maintains platability through precise chemical composition.

A zinc-rich intermediate layer bonds a copper coating to a steel core wire, preventing separation during crimping.

Martensitic hot-dip galvanized steel sheet with controlled carbon distribution gradient prevents hydrogen penetration and delayed fracture at sheared edges.

Adjusting furnace steam partial pressure forms specific oxides to suppress silicon and manganese diffusion, resolving plating gaps.

A precoated metal sheet uses non-oxide ceramic particles within an organic resin to achieve electrical conductivity and corrosion resistance.

Controlled ferrite-bainite microstructure in high-strength steel sheets resolves the trade-off between vehicle weight reduction and impact resistance.

Vapor deposition creates a Zn-Mg-Al alloy layer with a quasicrystalline phase, overcoming hot dip coating limitations to enhance alkali and abrasion resistance.

Superficial oxidation forms a ductile oxide layer on hardenable steel strips, dissipating forming tension to prevent micro-cracks during hot-forming operations.

Optimized ferrite and martensite phase ratios in high-strength steel sheets maintain spot weldability while achieving 780 MPa yield strength.

Ferrite and martensite phase control in steel sheets reduces yield stress variation to improve shape fixability and coatability.

A cold-rolled steel flat product uses controlled alloying to achieve high yield strength and tensile strength.

Segmented cooling stages manage flow velocity to suppress descending gas streams and prevent semilunar wrinkles on thick steel sheets.

Optimized manganese and carbon levels transform the microstructure to resolve cracking sensitivity while maintaining plating characteristics.

A carbon steel tape outer armor coated with an aluminum layer under 50 μm protects electric cables in harsh downhole environments.

Rotating pin adjusts nozzle mask orientation to align with wiping nozzles, preventing edge overcoat and splash during hot-dip plating.

Optimized chemical composition and controlled rolling reduction resolve bare spots and powdering defects while maintaining tensile strength.

Martensite block size reduction to 0.9 µm resolves the strength versus spot weldability contradiction in high-carbon steel sheets.

Multi-phase steel alloy with optimized manganese, silicon, and chromium content for continuous annealing.

An Al-Zn-Mg alloy coating replaces electrogalvanizing and paint layers on vehicle pipes, maintaining corrosion resistance during deformation.

A hot-dip galvanized steel sheet featuring a ζ phase intermetallic compound at the plated layer interface.

Zinc compounds in a surface coating layer reduce friction between aluminum plated steel and dies, preventing Al-Fe alloy adhesion.

A steel sheet with a specific microstructure balances tensile strength and press-formability through controlled phase fractions.

A high strength cold rolled steel sheet stabilizes its microstructure through a two-stage annealing process to enhance ductility and formability.

Vapor injection into air skive streams reduces evaporation rates, preventing non-uniform drying artifacts and downstream contamination.

A hot rolled steel sheet uses a ferrite matrix with dispersed martensite to achieve high tensile strength.

Controlled roughness skewness creates oil pockets that lower sliding friction resistance, preventing galling while maintaining weldability.

Encapsulating a dense steel insert within an aluminum body resolves attachment reliability and corrosion issues while maintaining balancing mass.

Precise cooling rates form stable ferrite and martensite phases to reduce annealing temperature dependency.

Adding nickel or manganese chloride to zinc ammonium flux prevents decomposition and explosions, ensuring void-free coatings.

Mechanical bridge system pours and levels lining materials over cathode shells, eliminating manual dusting and improving layer accuracy.

Masking specific areas during galvanization protects the trailer frame from corrosion without compromising the alloy steel kingpin's wear resistance.

A high-strength galvanized steel sheet uses a specific Si/Mn mass ratio to suppress manganese oxidation during manufacturing.

Segmented support beams separate air knife and electromagnetic stabilizer structures, reducing maintenance complexity while maintaining vibration control.

A filtration system captures particles larger than 2.5 µm from cooling gas, reducing dark spots on galvanized steel strips.

Electrolytic nickel deposition prevents liquid metal embrittlement by blocking zinc-austenite interaction during hot forming.

Zinc penetrates gaps in welded shaped tubes to braze components, boosting torsional rigidity while eliminating separate anti-corrosion steps.

A scale-style micro-texture electrode wire material with a 105 to 150 degree contact angle improves cooling efficiency through enhanced liquid retention.

A hot-dip galvanized steel sheet uses retained austenite to enhance ductility and mechanical cutting properties.

Low silicon manganese content prevents external oxide films, allowing the mixed layer to form a tangled structure that reduces powdering defects.

A galvannealed steel sheet combines ferrite and tempered martensite to deliver high bake hardening.

Raising aluminium concentration above 0.50% thins the inhibition layer, reducing dross formation and improving surface quality for automotive steel.

A specific aluminum alloy intermediate layer composition prevents material displacement under high loads, maintaining adhesion to the steel support.

Hot-dip Al-Zn alloy coating layer incorporates Sn, In, or Bi elements to stabilize the oxide film and improve workability.

Pivoting lead bath carriages enable rapid composition switching, eliminating downtime during changeovers between AGM and wet-cell battery types.

Hot-dip Al-Zn coated steel sheet stabilizes corrosion products via Ca or Mg addition, resolving bendability trade-offs at bonded portions.