Furnace Types TRIZ Cases

Controlled martensite-rich microstructure and Mn uniformity help hot-rolled steel sheet keep 980 MPa strength while improving hole expansion and shearing.

Controlled alloying, annealing, and overaging balance high yield strength with bendability and hole expandability in cold-rolled steel sheet.

A duplex Cr-Mn steel uses austenite and δ-ferrite phase control to absorb impact energy and improve liquefied gas container toughness.

Controlled alloying and heat treatment create a multiphase steel sheet that balances tensile strength, ductility, hole expansion, and yield ratio.

Controlled alloy composition and cooling create a bainite-rich steel sheet that limits shearing cracks while maintaining ultra-high strength.

Fine austenite grain control and rapid annealing help low-density steel sheets keep high strength and ductility in thinner vehicle parts.

A moving pipeline inside the water jacket replaces folding metal hoses, shrinking quenching machine footprint and improving service life.

Alloy balance and phase control limit cracking in hot-stamped steel while preserving deformation resistance and collision energy absorption.

Controlled Cu, Nb, V, Mo, Al, and Ti levels with grain-size tuning improve exhaust steel thermal fatigue resistance, formability, and alloy cost.

Low-Mn and Ni alloying with ART heat treatment widens annealing control while limiting segregation in 1200 MPa hot-rolled steel strip.

Fine Ag phase control in Cu-Ag wire preserves strength and conductivity during prolonged heat generation while keeping drawing practical.

Controlled phase balance and oxide inclusions help dual-phase stainless steel keep strength and toughness in CO2, Cl−, and H2S environments.

Adjustable shielding elements control heat flow during substrate heating and cooling to cut cycle time, energy use, and temperature drift.

Controlling ferrite grain aspect ratio and size through rolling and annealing improves duplex stainless sheet ductility, formability, and corrosion resistance.

Controlled web cooling and alloy composition keep rail web hardness uniform, improving fracture resistance without slowing production.

Controlled Si, Mn, P, and microstructure balance 780 MPa steel sheet strength with ductility, flangeability, and phosphatability.

Controlled alloy composition and 1-5 °C/s cooling raise rail bottom strength while limiting residual stress and crack growth.

Controlled Cr, Mo, Cu, Ni, W, and Co composition helps oil-well pipe resist untreated seawater crevice corrosion while retaining low-temperature toughness.

Controlled Si-Mn-P composition and annealing balance ductility, flangeability, and phosphatability in 780 MPa steel sheets.

Continuous comparison of temperature, burner output, and control variables detects heating-channel flooding and cuts emissions and energy use.

Reduced carbon and intercritical box annealing cut hardness contrast in medium-manganese cold-rolled steel, improving formability and deformability.

Controlled alloy ranges and quench-temper processing help 80 mm EH690 marine steel balance strength, weldability, and corrosion resistance.

Controlled Bi particle distribution in steel improves machinability while resisting melting and hot working cracks during induction hardening.

Infrared imaging separates bonded and loose scale on hot steel so furnace settings can be adjusted in real time to cut material loss.

A Ni-containing underlayer with Fe diffusion and a W-depleted Ni-W surface improves battery can workability while limiting crack-driven corrosion.

A multilayer Ni-containing and Ni-W alloy coating limits pinholes and Fe diffusion to improve corrosion resistance in surface-treated steel sheets.

Controlled C, Si, Mn, and Cr levels suppress grain-boundary cementite in pearlitic rail steel, slowing fatigue crack growth at the rail base underside.

A fine martensitic microstructure with low nanohardness variation helps hot-stamped bodies keep high strength without losing bendability.

A martensitic-ferritic stainless pipe composition and heat treatment balance 758 MPa yield strength with resistance to CO2, H2S, Cl−, and acid corrosion.

A more active upstream catalyst layer lowers tube wall temperature in high-pressure ammonia cracking, reducing nitriding while sustaining conversion.

A multiphase stainless steel pipe balances sour-environment corrosion resistance, sulfide stress cracking resistance, and low-temperature toughness.

Surface carbon or nitrogen enrichment lets copper-bearing steel from recycled scrap keep high hardness while improving bearing corrosion and fatigue resistance.

Limiting silicon and using vanadium carbide strengthening improves hole expansion while avoiding red scale and stabilizing chassis steel properties.

Controlled nitrogen, hydrogen, inert gas, and hydrocarbon heat treatment hardens stainless steel while preserving shine and corrosion resistance.

Low-carbon Nb-Mo steel plus 900°C normalization suppresses banded pearlite and martensite, improving tank car plate toughness and puncture resistance.

Micrometer-adjusted quench blocks fine-tune strip cooling gaps to reduce distortion, wear, and operator-dependent setup.

Staged cooling and medium-temperature coiling create ferrite, bainite, and retained austenite to balance strength, elongation, and stamping formability.

Waste heat from kiln exhaust preheats oxygen and fuel in an oxy-combustion roller kiln, cutting gas flow, fuel use, and carbon emissions.

Controlled Cu-Mg-Zn-Sc alloying in nitrogen and low-hydrogen processing improves aluminum strength and elongation for industrial use.

Ni3Nb precipitation in martensitic stainless steel raises proof stress while preserving absorption energy at room temperature and -40°C.

Straight-pipe tempering before coiling avoids furnace bending, reducing cracking and deformation while improving ductility and toughness.

High-Mn steel uses sulfide inclusion control plus rolling and cooling to keep cryogenic toughness high without costly Ni-rich alloys or heat treatment.

Stepped main-pipe sections and selective branch oxygen supply enable uniform high-ratio flue gas circulation without overflow or oxygen loss.

Controlled ferrite, partitioned martensite, and retained austenite help steel sheet reach high strength, elongation, and hole expansion.

Controlled immersion into still coolant holds a vapor film until martensite transformation, reducing uneven cooling and quench distortion.

Controlled chiller cooling and austempering tailor iron camshaft microstructure to raise rolling contact fatigue life at lower cost than steel.

A larger temperature-maintained chamber reduces atmospheric disturbance in the furnace and keeps heating of treatment objects more consistent.

Cr-rich hot-rolled steel replaces high P and Sb to resist atmospheric corrosion while preserving strength, toughness, and formability.

Controlled immersion in non-flowing coolant stabilizes vapor film formation, equalizes cooling, and reduces quench distortion.