Hot-Dipping/Immersion Processes TRIZ Cases

Segmenting the wire into a brass core and cracked zinc oxide surface resolves the trade-off between manufacturing cost and machining rate.

A zinc alloy coating containing magnesium and aluminium adheres to steel strips via hot dip galvanizing.

Plasma treatment removes carbon residues from zinc coatings, ensuring consistent wettability for reliable paint bonding.

A multi-phase steel sheet with controlled ferrite grain size and void formation.

A high-strength galvanized steel sheet with a controlled gap density in the coating layer achieves excellent bendability and impact resistance.

A cardanic roller bearing design pivots about two oscillating axes to maintain journal alignment.

A galvannealed steel sheet achieves high strength through a controlled multi-phase microstructure of ferrite, martensite, and pearlite.

A manganese-based oxide coating adheres to ferrous substrates through a dip and heat cure process.

An aluminum-zinc intermediate layer prevents hydrogen absorption and zinc-infiltrated cracking during hot forming while maintaining welding resistance.

A cold rolled steel sheet balances strength and formability by maintaining at least 80% tempered martensite alongside bainite and ferrite phases.

A galvanized steel sheet achieves high uniform elongation through a composite microstructure of ferrite, martensite, and retained austenite.

Shortening baffle plate height to 50 mm reduces turbulence and edge overcoating while maintaining consistent coating weight.

Controlled annealing creates composite microstructures that improve delayed fracture resistance at sheared end surfaces.

Optimized flux composition using bismuth and ammonium salts enables uniform coating on reactive steel substrates.

Dynamic edge positioning counters waviness interference, ensuring consistent zinc coating thickness.

Electromagnetic wiping replaces air knives to control coating thickness at high velocities without causing splashing.

A high-strength steel sheet uses controlled boron distribution to balance tensile strength with excellent bendability.

Optimized microstructure balances tensile strength and workability by controlling bainitic ferrite space factor and residual austenite transformation.

A dual-phase steel sheet combines ferrite and martensite to achieve high tensile strength with excellent ductility.

Alternating magnetic fields apply drag and levitation forces to zinc ash, preventing snout atmosphere disruption during galvanizing line operations.

A surface-treated steel material uses a vanadium compound and trimagnesium phosphate coating film to provide enhanced corrosion protection.

A cooling section merges dry gas and wet liquid zones to cool steel strips at rates up to 1000°C/s without intermediate chemical treatments.

A galvannealed steel sheet uses inert gas atmosphere during alloying to control surface zinc oxide formation and maintain exposed metal.

A hot-rolled steel sheet composition with controlled Mn, Si, and P ratios forms a ternary eutectic compound to reduce surface scale defects.

Acicular retained austenite with low aspect ratio suppresses end surface cracking during hole expanding tests while maintaining tensile strength above 980 MPa.

A specific aluminum alloy composition biases FeAl intermetallic formation to resolve brittle fracture issues at the steel interface.

Selective masking shields weld zones from hot zinc baths, preventing toe-cracking while maintaining corrosion resistance on utility poles.

A galvanized steel sheet uses a ferrite matrix with dispersion-precipitated Ti-V carbides to achieve high tensile strength.

A Zn-Al-Mg plated steel sheet forms a controlled oxide layer to enhance lubricity and chemical convertibility.

Manage oxide formation on silicon steel surfaces by regulating water vapor partial pressure to prevent coating defects.

Direct resistance heating lowers 0.2% proof stress in solar cell lead wires, eliminating separate preheating steps that cause warping.

Dynamic blowing device positioning corrects metal strip curvature deviations, preventing non-uniform coating thickness distribution.

A hot-dip coated steel strip achieves uniform elongation through microstructural transformation of residual austenite.

Optimized manganese levels and phase ratios resolve the trade-off between production cost and mechanical performance in advanced steel sheets.

A confocal-chromatic sensor uses a white light source to measure surface parameters on moving metal strips.

A galvanized steel sheet utilizes a specific chemical composition to establish a multi-phase microstructure combining ferrite, bainitic ferrite, and retained austenite.

Precipitation hardening via 5-50 nm Nb carbides resolves stretch flangeability trade-offs while maintaining collision resistance.

Cylindrical ceramic bars eliminate wedge pressure cracking and dross trapping in hot-dipping roll journals, extending equipment life.

A hot press formed steel member achieves a dual phase microstructure of bainite and retained austenite through controlled heating and rapid cooling.

Intercritical annealing creates a bimodal microstructure that resolves the trade-off between tensile strength and elongation in advanced high-strength steel.

A high-strength plated steel plate with a hot-dip Zn-Al-Mg alloy layer and refined dual-phase microstructure.

Rapid cooling at 500°C/sec forms fine Al primary crystals in Zn-Al-Mg coated steel, preventing physical cracking during processing.

A gas wiping nozzle uses slidable blocking members and rectification pieces to maintain consistent flow width across the steel strip.

Rejuvenates zinc coatings on galvanized steel parts through targeted deposition of additional material to restore protective layers.

A high-strength cold-rolled steel sheet utilizes a dual-phase microstructure combining martensite and ferrite to achieve tensile strength exceeding 700 MPa.

Silane coupling agents in the formulation resolve curing shrinkage, maintaining adhesion during fast UV curing.

Applying an amino acid conversion film resolves adhesive breakage issues on zinc-coated steel while maintaining corrosion resistance.