Metallic Material Coating Processes TRIZ Cases

A trivalent chromium conversion treatment liquid uses titanium lactate and transition metal compounds to form protective coatings on metal substrates.

Permanganate conversion coating replaces chromium with rare earth ions to inhibit corrosion without pre-treatment.

Introducing a fused director into concave portions before curing prevents liquid stagnation and improves air bubble dischargeability in liquid ejecting heads.

Aqueous treatment solution deposits black conversion layers on zinc surfaces using sulfur compounds and oxidants.

A lanthanide conversion coating layer reduces oxidation on metal can interiors.

A chromium-free conversion coating deposits zirconium and molybdenum on aluminum surfaces to ensure reliable adhesion.

Acid-stabilized precursor solutions form crack-free titanium oxide films by modifying shrinkage during curing, improving optical reliability.

Alternating current electrolysis using hydrochloric acid and ferric ions removes scale while eliminating nitrogen oxide emissions.

A Ni-Fe alloy film subdivides magnetic domains on grain-oriented steel sheets to lower iron loss.

Zirconium compounds replace high-phosphate systems to prevent insoluble rust formation and extend bath life.

Fluorinated solvent dissolution reduces bisphosphonic compound quantities and contact times, resolving bottlenecks in high-throughput automated manufacturing.

Aqueous bis-amino-functional silane compositions form robust hydrophobic layers on metal and glass substrates at ambient temperatures.

A stable surface conditioning composition uses titanium phosphate and amine compounds to form conversion coatings on metal materials.

Single-layer aqueous binder eliminates solvent steps and primer layers, achieving 5 N/15 mm seal strength with blocking resistance above 40°C.

Chemical surface treatment creates micro and nano pores on metal to enhance polymer bonding strength.

Disulfide-linked hydrophilic polymers coat metallic bases, reducing nonspecific adsorption while minimizing separative distance.

An epoxy-acrylic resin system cures into a retortable coating that maintains adhesion and chemical resistance during high-temperature sterilization processes.

A plain bearing composite material uses an aluminium alloy layer containing tin, silicon, copper, and nickel to achieve enhanced mechanical strength.

A chemical treatment liquid containing titanium complex ions and vanadium-containing ions forms a protective coating on metal surfaces.

A hydrocarbon lubricant uses copper nanoparticles and a deactivator to form diamond-like carbon layers, preventing viscosity increase and sludge formation.

Mechanical and chemical polishing to 40 RMS roughness prevents polymer deposition and catalyst poisoning in slurry loop reactors.

A unified wet-chemical pretreatment process treats iron and aluminum components in series using compatible sulfuric acid bath solutions.

In situ formed nanoparticles create denser conversion layers, resolving toxicity trade-offs from chromium-based treatments.

Alternating copolymer units combined with titanium compounds prevent corrosion delamination on steel.

A trivalent chromium coating converts to hexavalent chromium during controlled curing.

A trivalent chromium conversion coating formulation replaces cobalt with organic acids and nitrate ions to protect zinc alloy substrates.

Phosphate and colloidal silica coating on grain oriented steel sheet prevents sticking during stress relief annealing.

A ferritic alloy forms a protective aluminium-rich oxide layer through selective oxidation.

Thickened aqueous electrolyte enables thicker, crack-free conversion layers while simplifying manual dosing precision.

A discharge electrode deposits a hard coating on a knife base member to form a projecting cutting edge with an optimized angle.

Alloying tungsten tetraboride with transition metals overcomes diamond graphitization and synthesis costs while maintaining thermal stability up to 400°C.

Strontium phosphate and reduced graphene oxide form a dense conversion film that resolves the trade-off between corrosion resistance and environmental toxicity.

Aqueous composition with magnesium fluoride salt and nitric acid for stainless steel weld treatment.

Water-based acrylic polymer coating eliminates messy liquid oil migration and hazardous chemical use while providing corrosion protection.

Visible dyes replace fluorescent agents to resolve measurement precision issues in conversion coatings.

Direct transfer of deoxidizing solution into conversion coating bath maintains acidity and reduces water usage.

A water-containing lubricant coating agent maintains excellent lubricity on metal surfaces without forced drying.

Adjusts activation dispersion composition to suppress loose insoluble deposits on high-aluminum components, ensuring defect-free zinc phosphate layers.

A black passivation composition uses iron and transition metals to form a durable coating on galvanized steel.

Direct aqueous precipitation yields superconducting YBa2Cu3Ox nanorods, overcoming scalability limits of template-based synthesis.

A chemical conversion treatment solution deposits a protective film on zinc substrates using trivalent chromium and zirconium ions.

A continuous coil surface treatment process applies a fluorine-free acidic etching solution to aluminum alloy sheets.

Replacing toxic chromates, molybdate-based compositions create protective layers that deliver superior corrosion resistance and rapid repassivation.

A printed flexible pH sensor uses ink-jet printing and silver mirror reaction to form conductive electrodes on a flexible substrate.

Nitric acid lowers pH below 1.5 to suppress hydrolysis in acidic aqueous concentrates, enabling shelf-stable conversion coatings.

Ultrashort pulse laser modifies silicon nitride ceramic surfaces to increase water wetting angles and enhance hydrophobicity.

Chemical etching roughens disk drive baseplate boss surfaces to improve torque retention, reducing swage forces and flange warping.

A press quench machine applies confining pressure to heated metal objects during cooling to prevent shape deformation.