Furnace Types TRIZ Cases

Cold rolling and annealing an aluminum-containing 310S sheet improves strength and corrosion resistance for 650°C molten salt CSP service.

Controlled B and O concentration gradients soften the steel surface layer, enabling 1900 MPa hot-stamped parts with better collision resistance.

Controlled pig iron, DRI, and scrap melting with reheating and rapid cooling lowers CO2 emissions while limiting copper and tin in automotive steel sheet.

A Ni-rich surface layer helps zirconium conversion crystals adhere on 980 MPa hot-rolled steel, improving corrosion resistance and paint adhesion.

Applying exothermic powder to a cooling weld bakes out hydrogen, relieves stress, and forms a wear- and corrosion-resistant layer.

Blending pig iron, DRI, and scrap in an EAF controls copper and tin, lowering CO2 while preserving ductility and surface quality.

Using at least two beam focus settings, this case maintains thermal strain at higher line speeds to stabilize iron loss improvement.

Controlled recrystallization and cold rolling create fine tin-phosphor bronze strip with special grain boundaries for strength and bending.

An obliquely adjustable transverse-field inductor evens flat material temperature profiles without custom coil designs.

A ferritic wire rod composition enables 1,500 MPa steel fiber without lead patenting, cutting cost and reducing drawing fractures.

Low-oxide skin layers and a ferrite-rich microstructure help press-hardened steel exceed 1800 MPa while resisting bend cracking.

Rough work rolls enable temper rolling of high-tensile steel strip with lower rolling load while improving flatness, surface roughness, and die galling resistance.

Optimized alloy composition and wire-rod processing improve weld metal fluidity and fast solidification to prevent bead sag in all-position welding.

Vacuum induction smelting and remelting cut inclusions in wire rod, enabling 50-60 μm steel wire with ≥4500 MPa strength and long break-free mileage.

Mn-Cr sulfide control keeps sulfur machinability benefits while preventing brittle iron sulfides during hot rolling of seamless steel tubes.

Controlled ferrite grain size and MnS/MnS-oxide inclusions help seamless steel tubes resist sulfuric acid outside and high-temperature water inside.

Fine Ti, Nb, and V precipitates trap hydrogen in hot stamping steel, improving delayed fracture resistance without sacrificing strength and formability.

Controlled bainite, fine grain size, and low Ti-based inclusions improve ERW steel pipe toughness and workability without sacrificing strength.

Controlled Mg and Ca addition reshapes inclusions to suppress MnS and keep steel plate HIC crack area ratio at 1.0% or less.

Controlled Mg and Ca addition reshapes surface-layer inclusions to suppress MnS and improve hydrogen-induced cracking resistance in steel sheet.

Controlled-TEC lens retainers and spacers keep focal length stable across temperature changes, reducing aberrations, mass, and complexity.

Controlled refining and staged cooling raise rail purity and tread hardness while reducing contact fatigue and chipping in heavy-duty service.

Fine-grained spring steel wire balances 1800 MPa-class strength with toughness by controlled alloying and heat treatment to slow crack growth.

Cold forming and heat treating boron steel cuts scrap and dimensional variability while enabling cartridge cases to withstand up to 120 ksi.

Controlled alloying and staged cooling create a hard-soft steel microstructure that keeps formability at high strength while reducing CO2-heavy annealing.

A crossing beam path with distance-based speed control quenches metal ridgelines more uniformly while reducing overheating and burn-through.

A high-Ni-equivalent pipe alloy with pilger rolling, cold drawing, and heat treatment raises hydrogen pressure capacity while cutting weight.

Controlled bead cut depth, inner roughness, and inclusions help ERW hollow stabilizer tubes retain fatigue strength after heat treatment.

TiN and AlN grain refinement plus Ca-controlled MnS morphology improve hot-forging steel machinability and toughness without quench-temper heat treatment.

Using niobium-led microalloying and controlled rolling, this case delivers uniform hot-rolled steel strength with good formability and low springback.

Localized edge heating matched to steel microstructure softens sheared zones, improving stretch flange formability and reducing press cracks.

Intermediate cooling, reheating, and quenching raise KILIMIT and yield strength in seamless steel pipe for hydrogen sulfide service.

A ferrite-bainite-martensite steel sheet with nano-precipitates balances 980 MPa strength, hole expansion, and elongation.

Uniform prior austenite refinement and tempering control help ERW steel tubes keep high strength while improving toughness and workability.

Balanced Cr-Mo alloying and ferrite-bainite control give rebar strong corrosion resistance, 400 MPa strength, and crack-free welding.

Active brazing plus ageing joins cemented carbide to maraging steel while preserving an even hardness profile, joint strength, and wear resistance.

Controlled B and O surface concentrations help hot-stamped steel reach 1900 MPa strength while preserving deformability and hydrogen embrittlement resistance.

Rotating and energizing aligned shaft members heats a coil spring more uniformly, minimizing coil diameter and spacing variation after hardening.

Through-thickness control of (011) crystal orientation reduces inside-bend recess depth in 880 MPa hot-rolled steel, improving fatigue and impact resistance.

Thermally conductive dies quench heated metal by direct contact, avoiding liquid-quench cracking, embrittlement, and distortion.

A tailored stainless steel composition helps cutting tool bodies keep hot hardness while improving machinability and resistance to thermal softening.

Preheating medium-manganese flat steel to 60°C-Ac3 enables higher deformation with lower forming forces while preserving TRIP/TWIP strength.

Controlled C-Mn-Si-B composition and ferrite-pearlite balance keep hardness variation low while preserving 1300 MPa strength and cold bendability.

Two-stage secondary annealing balances Goss grain growth and eddy-current loss to improve low-field core loss and magnetic flux density.

Optimized alloy composition and heat treatment deliver martensitic steel sheet with ≥1280 MPa strength, >40% hole expansion, and good weldability.

Controlled roughening and flattening create planar and recessed surface regions that balance stainless steel sheet whiteness with image clarity.

Controlled tempered martensite steel composition raises fuel injection pipe strength while preserving hydrogen embrittlement resistance and pressure capacity.

Real-time speed feedback and camera override keep wire rod rings uniform on the cooling conveyor without manual laying head trimming.

Fine Ti, Nb, or V precipitates trap hydrogen in hot stamping steel, improving strength, bendability, and delayed fracture resistance.