Furnace Types TRIZ Cases

A layered martensite-bainite steel assembly resolves the strength-toughness tradeoff while removing descaling and coating steps in hot stamping.

A controlled retained-austenite, ferrite, and bainite microstructure helps hot-rolled steel keep high strength while improving ductility and stretch-flangeability.

Controlled Ti, N, Cr, and sulfur chemistry suppresses MnS inclusions, improving quenched spring steel toughness and corrosion resistance.

Controlled bainitic ferrite and Nb carbonitride precipitation raise line-pipe steel strength while preserving low-temperature toughness and a low yield ratio.

Specific Sn, Sb, Mo, and W balance in flux-cored wire improves weld weather resistance and coating delamination resistance in seaside use.

Controlled alloying and martensite-rich microstructure raise steel sheet strength while preserving hole expansion, formability, and weldability.

Annealing and finish-rolling control raise fracture toughness in ferritic stainless steel sheet, preventing thick-flange blanking cracks.

Full body heat treatment creates tempered martensite-bainite tubing with uniform weld-zone strength, fatigue life, and cracking resistance.

A bainite and residual-austenite spring structure improves valve spring fatigue and sag resistance while avoiding costly alloying and complex heat treatment.

Minor alloying elements form dispersoids that keep Si and Cu precipitates away from grain boundaries, preserving strength and corrosion resistance.

Separate heat treatment of the club body and faceplate plus vibrational stress relief helps prevent weld-line oxidation and crystal formation.

Controlled surface oxygen and high-Si steel composition improve scale adhesion during hot press forming, reducing peeling, scratches, and die contamination.

Controlled micro-alloying and normalizing rolling stabilize thick H-beam microstructure, balancing 500 MPa strength, weldability, and -40 °C toughness.

Controlled hot rolling and cooling limit martensite-austenite phases in heavy H-section steel to keep strength uniform and toughness high at -20°C.

Surface Cu enrichment and martensitic steel design suppress pitting and hydrogen embrittlement while maintaining high strength and toughness.

A four-zone radiant and induction heating layout improves strip steel temperature uniformity, cuts energy use, and reduces surface defects.

Controlled cooling after Ac3 hot press forming balances martensite formation, ductility, crashworthiness, and productivity in steel members.

Laser marking on a traveling amorphous alloy ribbon forms linear marks that cut iron loss while preserving high production speed.

Hot stretch-reducing and controlled surface quality enable thin ERW steel tubes to keep high fatigue resistance for hollow stabilizers.

Heated tooling and pressurized medium keep galvanized pipes above Ms during forming, preventing microcracks before final martensitic hardening.

Localized annealing restores ductility in work-hardened metal preforms, enabling non-cylindrical container forming with lower stress and less metal use.

Titanium and zirconium microalloying controls inclusions in steel wire to resist H2S cracking in flexible pipes while reducing cost pressure.

Ti, Nb, or V nitride and carbide precipitates trap hydrogen in hot-stamping steel, reducing delayed fracture while preserving strength and formability.

Heating titanium welds above the α-β to β transition and cooling back reshapes abnormal weld microstructure for better damage tolerance.

Lower-temperature heat treatment creates uniformly dispersed nano-sized niobium carbide in austenitic stainless steel, improving weldability and irradiation resistance.

Controlled alloying plus quenching and tempering delivers seamless pipe steel with high strength, uniform hardness, and low-temperature toughness.

Rapid warm heating forms complex sheet metal parts above the forming threshold while preserving microstructure, strength, and process efficiency.

Quasi-continuous laser grooving refines magnetic domains in grain-oriented steel while limiting flux density degradation and improving coating adhesion.

Fine Ti precipitates and controlled heat treatment help steel members resist fatigue crack growth under plastic strain while keeping strength and weldability.

Moderate alloying and air cooling form a bainite-martensite-austenite microstructure that keeps 1100 MPa steel weldable and formable.

Flux control and coordinated rotation prevent hot-zone overlap during lamp heating, giving closed-shape workpieces more uniform thermal treatment.

Multi-step rolling and annealing creates steel sheets with locally tailored strength and ductility while keeping thickness uniform for easier processing.

Bending before age hardening lets 7000 series aluminum ladder rails cut weight and raise duty rating without stress cracking.

Controlled hot rolling promotes a fine recrystallized austenite structure that cuts toughness anisotropy while keeping 1180 MPa-class strength.

A walking-arm conveyor and offset inclined spray nozzles let steel pipes move quickly through quenching while maintaining uniform cooling.

Sectioned preheating, quenching, and tempering produce laser-welded coiled tubing with more uniform microstructure, less oxidation, and longer service life.

Local reheating above A1 and slow cooling let the soft region be shape-corrected during tempering, improving steel plate dimensional accuracy.

Controlled Cu precipitation and MnS-Ti oxide inclusions help high-tensile marine steel retain low-temperature HAZ toughness under high heat input welding.

Multiple high-temperature short solution treatments and quenching raise rolling yield in Al-Cu-Mg-Ag sheet while preserving strength.

Transition metal borides and borocarbides enable hardfacing alloys to maintain wear resistance while cutting hexavalent chromium fumes.

Controlled heating, cooling, and tempering help thick-wall bent steel pipe achieve uniform hardness, X65 strength, and HIC resistance.

Spiral spray nozzles and pipe rotation deliver uniform rapid cooling along and around steel pipe surfaces with simpler quenching equipment.

A hard surface layer and softer inner layer balance wear resistance, cold formability, and dimensional accuracy during heat treatment.

By controlling inner-surface decarburization, roughness, and heat treatment, this case improves fatigue resistance in thin hollow stabilizer tubes.

Controlled ferrite and carbide microstructure improves thick steel sheet hardenability, cold workability, and post-quench surface hardness.

Staged cold rolling with intermediate rewelding spreads strain away from welded joints, reducing fracture risk in thin high-strength steel sheets.

Warm preheating medium-manganese TRIP/TWIP steel before forming increases deformation capability while lowering forming forces and preserving strength.

Controlled Ceq, Pcm, ferrite distribution, and hardness uniformity help seam-welded steel pipe keep weldability and HAZ toughness at -60°C.

A thick multi-alloy cladding layer helps hot rolling rolls resist wear, corrosion, seizing, and thermal shock while supporting regrinding.

Controlled rolling, spheroidizing, and carbonitriding curb decarburization and hard phases in bearing steel while improving fatigue life.