Furnace Types TRIZ Cases

Controlled plate-like and granular MgO particles improve forsterite coating uniformity across GO steel width while preventing coil sticking.

A balanced C-Si-Mn-Cr-V-Al composition enables high-strength, high-torsion wire rod through controlled rolling and air cooling without isothermal treatment.

Controlled alloy content and carbide-grain structure let this steel keep 80 ksi yield strength with toughness below -70°C.

Controlled martensite, retained austenite, and carbide spacing improve bending crack resistance and crack propagation in 1.5 GPa hot-stamped parts.

A phosphate-silica intermediate layer replaces forsterite to keep coating adhesion while reducing iron loss in grain-oriented electrical steel.

Controlled Mn, S, and Ni in an Invar alloy improve machinability while keeping thermal expansion at 5.00×10^-6/°C or less.

Controlled inclusion composition and low inclusion density enable mass-produced stainless steel with fewer pits and pinholes during mirror polishing.

Controlled alloying and bainitic ferrite formation help steel plate keep high strength while resisting cracking and impact loss in cold conditions.

A layered ferrite, martensite, bainite, and retained austenite gradient boosts steel strength while preserving bendability, weld toughness, and LME resistance.

Fine VC or NbC carbides trap hydrogen in spring steel wire, improving corrosion fatigue life while maintaining high strength.

Controlled alloy composition plus quenching and tempering helps seamless martensitic pipe resist pitting, SCC, and SSC in low-pH chloride environments.

A high-reduction hot rolling pass at 100-200 mm thickness improves AA2x24 plate fatigue resistance and cuts ultrasonic flaws.

Controlled ferrite grain size, alloy balance, and aging index help battery-can steel retain strength at 200-300°C without losing press formability.

Alloy tuning plus low-temperature coiling and bell annealing delivers ≥90% spheroidization, good stampability, and lower heat-treatment cost.

Controlled ferrite-pearlite balance and prior austenite grain size help high-strength cast slabs resist thermal cracking during cooling.

High-temperature rolling with QLT heat treatment helps 9Ni LNG tank plate balance strength, low yield ratio, and -196°C toughness.

Controlled Al and Si oxide inclusion density lets this alloy steel reach 125 ksi class strength while keeping toughness at -50°C or below.

Controlled Cr-Mo-V-Nb-Ti steel composition maintains high strength and hydrogen embrittlement resistance without costly prior-austenite grain refinement.

Controlled nitrogen diffusion raises surface recrystallization temperature, creating a strong yet formable packaging steel sheet for deep drawing.

Controlled alloying and air-cooled ferrite-pearlite microstructure help high-strength steel resist forming tears while maintaining structural integrity.

Controlled oxide-layer formation in continuous annealing prevents fishscale and bubble defects while preserving enamel adhesion and productivity.

Controlled composition, rolling, and cooling give hydrogen pipeline steel high strength and hydrogen resistance without added heat treatment.

Controlled crystal orientation and low-temperature annealing suppress width-direction etching in Cu-Ni-Si sheet for precise narrow-pitch components.