Furnace Types TRIZ Cases

Tapered chamber segments and a slot outlet deliver uniform gas flow for homogeneous cooling of hot-rolled long steel without water-induced defects.

Controlled alloying and ferrite grain refinement improve ERW welded-zone impact toughness below −20°C without sacrificing cost competitiveness.

A Cr-Si alloyed cold-rolled steel forms a thin Si amorphous oxide layer, avoiding plating while preserving corrosion resistance and spot weldability.

Controlled Cr-Mo microalloying and quench-temper processing help seamless steel tubes resist CO2 corrosion while maintaining strength and processability.

Real-time structure sensing adjusts cooling and rolling temperatures to prevent edge martensite and keep steel wire and bar ductile.

Nitrogen-enhanced annealing helps thin cold-rolled packaging steel keep high biaxial strength and elongation during multi-axial forming.

Point and line support on cold-formed steel blanks cuts furnace contact, reducing zinc blisters while enabling flexible, lower-cost hardening.

Controlled prior-austenite grain size and uniform martensite help a hot-stamped body keep high strength while resisting hydrogen embrittlement cracking.

Multiple cold rolling passes create martensitic stainless steel foil at 35 µm or less while suppressing shape defects and preserving strength.

Rapid post-rolling water cooling and high coiling temperature promote ferrite/pearlite at sheet ends to prevent cold-rolling cracks.

Controlled ferrite content and low skin-layer inclusions help press-hardened steel exceed 1800 MPa while resisting bending cracks.

Cooling medium-manganese steel below room temperature during forming boosts martensite, balancing high strength with better residual elongation.

Controlled ferrite texture, carbide distribution, and prior austenite grain size help hot-stamping steel keep high strength while improving bendability.

Controlled induction heating and isothermal transformation create carbide-rich wiredrawn steel with high strength, toughness, and lower fuel cost.

Controlled pre-sagging and perpendicular rotation let hot strip coils cool with minimal collapse, reducing scrap without coil-eye support.

Setting steel sheet tension by carbon content in wet temper rolling prevents jumping and cross buckling while keeping surface roughness stable.

Selective die cooling limits martensite in trim zones, reducing residual stress and delayed fracture without post-annealing.

Heated base strips merge with molten steel during continuous casting and rolling, improving clad bonding while enabling large-scale, lower-cost plate production.

Flow forming and heat treatment turn carbon steel blanks into lightweight vehicle pressure vessels with martensite or bainite strength above 1000 MPa.

High-frequency inductive skin heating enables thorough descaling and final rolling at 775-900°C while cutting strip production energy use.

By rotating the polygon mirror parallel to the scan direction, this layout widens electrical steel sheet coverage with fewer laser units.

Controlled ferrite grain size and texture help thin automotive exterior panels resist dents while preserving surface quality after shaping.

Controlled martensite transformation and residual stress balancing help steel sheets keep high strength, shape uniformity, and delayed fracture resistance.

Fine ferrite grains and controlled bainite help normalized 1/2Mo clad steel plates retain strength while improving toughness.

Controlled alloy composition and staged cooling plus reheating raise yield ratio while preserving bendability, shape quality, and weldability.

Multi-direction magnetic probing reveals rolled steel sheet surface structure in real time, avoiding destructive microscopy in production.

Controlled two-step cold rolling spreads strain across welded joints, reducing fracture risk while enabling thin high-strength steel sheets.

Controlled Si-Fe-Mn composition and grain growth let a single-layer aluminum alloy sheet resist deformation during heat joining.

Standing-wave cavitation peens curved pipe interiors by reflecting ultrasound at a fluid-gas interface to create compressive residual stress.

Removing the aluminum alloy layer at sheet edges preserves weld hardenability and enables martensitic strength above 1230 MPa.

Localized tempering with a resistance spot weld gun softens AHSS for self-piercing riveting to aluminum without damaging rivets or joints.

Nano-scale V-based precipitates in spring steel wire raise fatigue limit through controlled composition and heat treatment, even at lower core hardness.

Step heating across furnace zones keeps blanks of different thicknesses near uniform soaking temperature, reducing overheating and property loss.

Controlled alloying and microstructure improve hydrogen embrittlement resistance and fatigue crack performance in seamless gas vessels.

Inclined immersed projectors renew coolant flow in a strip cooling bath, reducing turbulence and flatness defects during annealing.

A two-step cold forming and annealing route enables long high-pressure tubes with high strength, low inner roughness, and usable elongation.

Multi-zone step heating and soaking keep blanks of different thicknesses uniform, reducing overheating and preserving weldability.

Multi-zone step heating keeps different-thickness blanks near the same soaking profile, limiting overheating and preserving weldability.

Preheating medium-manganese steel to 60-250°C before cutting preserves edge formability, lowers forming force, and reduces cracking.

Multi-direction magnetic measurements infer rolled steel microstructure in real time, avoiding destructive microscopy during quality control.

A heat-resistant coating applied between base and patch sheets before hot forming seals overlap gaps and prevents corrosion after quenching.

Precise alloying and phase control help cold-rolled steel sheet combine 1100 MPa strength, elongation, weldability, and formability for auto parts.

Moderate Cr-Mo alloying and a ferrite-bainite microstructure help rebar resist marine corrosion while preserving weldability and controlling cost.

Pre-heat and thermo-mechanical treatment re-dissolve carbides, diffuse Mn from grain boundaries, and improve hot-stamped steel toughness.

Sn and controlled Sb suppress decarburized layers during air heat treatment, helping hollow stabilizer tubes retain fatigue resistance.

Load-cell feedback and motorized clamps adapt to each component during heat treatment to maintain geometry and dimensional accuracy.

Specific Cr-Mo-V spring steel chemistry and controlled cooling preserve strength during high-temperature nitriding while improving fatigue resistance.

Controlled alloy composition and cooling reduce segregation and material deviation while delivering ultrahigh-strength spring steel wire.

Forced cooling between heat treatment and inspection cuts layout expansion while reducing pipe bending and probe damage risk.

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