Furnace Types TRIZ Cases

Segmented cooling rates in heavy steel plate processing resolve the uniform elongation and toughness trade-off.

Offset support portions incline the quenching object to separate the vapor film quickly, reducing cooling degree variations.

A steel pipe achieves high expandability through a mixed ferrite, pearlite, and martensite microstructure.

Controlled annealing produces a 10-200 µm ductile edge layer that prevents liquid metal embrittlement during hot forming.

Aluminum alloying creates an in-situ Al2O3 scale that eliminates external coating steps and reduces energy consumption.

Stacking primary and secondary steel plates creates a W-shaped stiffener that reinforces center pillar leg portions.

High-carbon iron alloy powder forms metal carbides during atomization, eliminating oxidation annealing cycles while boosting hardness.

Acute angle laser scanning ejects scatters onto untreated planes, preventing re-deposition on irregular workpieces.

Controlled alloying elements and delta ferrite content reduce cracking and concave defects during high heat input welding.

A carburized gear steel achieves high surface hardness through secondary M2C carbide precipitation.

A hot rolling process produces dual phase steel sheets with 75 to 90 percent ferrite and 10 to 25 percent martensite.

Precise quenching and tempering temperatures balance mechanical strength with sulfide stress-corrosion resistance in bent line pipes.

A kiln recovers internal energy from combustible ceramic additives through controlled combustion and exhaust gas heat utilization.

Optimized carbon and manganese levels in austenitic steel plates balance hardness with weldability, preventing cracking during fabrication.

A steel sheet with controlled martensite and ferrite phases achieves high tensile strength.

Differentiating surface and center textures via a specific alloy composition suppresses cracks during pipe expanding while maintaining corrosion resistance.

Furnace pressure gradient directs nitrogen curtain against smoke backflow, preventing dense oxide formation on silicon steel substrates.

Eliminates soft annealing steps by rapidly heating strain-hardened steel above Ac3 temperature, achieving high strength with reduced heat treatment time.

Micro-dispersed manganese in a steel sheet diverts hydrogen away from grain boundaries, preventing embrittlement while maintaining high tensile strength.

Ultra-thick steel achieves fine grain microstructures through precise chemical composition and controlled rolling processes.

Optimized subcritical quenching and tempering balance strength with hydrogen-induced cracking resistance in wet H2S environments.

Hot-rolled steel with optimized alloy composition prevents heat-affected zone softening to maintain weldability.

Integrated heating and stretching in a single furnace pass reduces magnetic losses by up to 38 percent.

A hot work tool material with ferrite grains under 25 µm achieves a refined martensitic structure after quenching and tempering.

High-strength hot-rolled steel sheet with optimized ferrite and bainite microstructure for automotive applications.

Thermal coupling between a ceramic kiln, dryer, and absorption heat pump recovers waste heat to reduce fuel consumption and CO2 emissions.

High-manganese steel uses controlled Cr surface sections to resolve the trade-off between low-temperature impact strength and corrosion reliability.

Precipitation hardening with sub-200 nm carbo-nitrides resolves the strength-toughness trade-off in thick-wall seamless steel pipes.

Annealing transforms martensite to ferrite for machining, then heat treatment restores martensite for high hardness.

Differential thermal expansion between the carrier and magnetic tape facilitates easy removal while maintaining high permeability.

Age-hardenable steel maintains low pre-aging hardness to ensure machinability while achieving high fatigue strength through controlled precipitation.

Preheating steel sheets with dual heating devices enables high-speed friction stir welding while preventing defects caused by uneven temperature distribution.

Annealing in a reducing atmosphere creates a thick oxide layer on cold-rolled steel sheets, preventing red rust without zinc coatings.

Carburizing-austempering creates bainite and martensite structures in tubular shaft undercuts, securing torsional strength for drive shafts.

Lath martensitic steel plate with fine Nb carbonitride precipitates enhances low-temperature toughness.

Tempered air hardenable steel alloy eliminates water quenching distortion while maintaining ductility, enabling reliable use in blast-protective vehicle hulls.

A cold rolled steel sheet composition maintains yield strength and elongation through optimized alloying.

Thermo-mechanical controlled rolling produces a superfine bainite structure in an 800 MPa steel plate, reducing welding crack susceptibility below 0.20% Pcm.

A hot-rolled steel sheet achieves 620 MPa yield strength after prestrain-heat treatment by utilizing a bainitic microstructure with high solid solution niobium.

Austenitic stainless steel pipe with controlled recrystallization ratio and grain size resolves Nb segregation to improve SRC resistance.

A carburization device uses alcohol vapor to deposit carbon on steel materials moving through a heating furnace.

Optimized manganese and carbon levels in martensitic steel enhance weldability and cutting crack resistance without sacrificing Brinell hardness.

Damper valves in a double-channel ceramic kiln direct hot air from cooling zones to preheating areas, reducing fuel consumption.

Austenitic steel alloy with controlled manganese and aluminum content achieves high ductility through specific hot-working treatment.

Cold rolled ferritic stainless steel sheet with 5 to 20 percent martensite phase improves surface texture and formability.

Tempering martensite phase forms a ferrite-carbide structure that reduces void formation at interfaces while maintaining tensile strength.

Cold-worked co-free stainless steel undergoes case hardening to form a surface layer with hardness exceeding 350 HV.

Selective insulation on superalloy discs manages thermal mass differences, preventing hub overaging while enabling rim coarse grains.

Segmented infrared heating zones raise plated steel to the Ac3 point while maintaining uniform temperature distribution.

An aluminum casting alloy with controlled zinc and magnesium content achieves high yield strength in die cast parts.