Furnace Types TRIZ Cases

A low-Mg, Zn-modified aluminum brazing sheet balances brazeability, strength, and corrosion resistance in heat exchanger components.

Casting the differential housing in nodular cast iron, then hardening and shot peening the gearing, cuts cost while improving damping and load capacity.

Displaceable seals close shield gaps during tempering, limiting heat leakage at plate edges to sharpen hard-soft boundaries and cut cooling time.

Controlled Mn-Si-S chemistry speeds graphite precipitation in steel wire rod, improving CNC machinability while avoiding long heat treatment.

Controlled martensite texture and grain size help hot-rolled steel sheet reach 1,180 MPa strength with lower toughness anisotropy.

Controlled alloying and Ca sulfide inclusions help martensitic stainless steel pipe reach 758 MPa yield strength with better machinability.

Fine nitride control and heat treatment help duplex seamless pipe keep corrosion resistance while balancing tensile and compressive yield strength.

Controlled alloy composition and coiling temperatures help cold-rolled steel reach 1180 MPa strength while limiting surface defects and property deviation.

Controlled C-Mn alloying and bainite-retained austenite-martensite phases deliver 1100 MPa steel with good elongation and weldability.

Controlled V-N steel chemistry and quench self-tempering raise heavy-section strength and toughness without sacrificing weldability.

A high-hardness forged steel roll uses composition and heat treatment to resist thermal shock cracks and reduce spalling-driven roll consumption.

A split furnace with an in-line tempering station enables partial heat treatment while preserving press hardening cycle time.

Controlled nitrogen content and fine grains help ERW steel pipe reach high strength, low yield ratio, and strong toughness for line pipe and structures.

Controlled alloying and quench-temper processing help mining chain steel balance high strength with impact toughness and hydrogen resistance.

Controlled surface and inner-layer texture in hot-stamping steel improves bendability while preserving load capacity and final strength.

Controlled Ceq, rolling reduction, and Ti/Ca/Nb alloying limit center segregation and weld-zone delayed fracture in thick steel plate.

Quasi-continuous laser grooving forms uniform re-solidified grooves in grain-oriented steel, cutting iron loss while preserving coating adhesion.

Controlled Ti-carbide precipitation and low cementite help thin can steel reach high strength while limiting wrinkling in lid curl forming.

Controlled base and weld metal chemistry keeps 980 MPa steel pipe girth welds strong while limiting HAZ softening and cold cracking.

A two-stage heating route raises only part of a hot-forming blank above AC3, cutting furnace bottlenecks and cycle time.

Controlled Mn-C composition and cooling create an austenitic steel tube with grain-boundary precipitates for higher abrasion resistance and durability.

Higher dislocation density and finer grains help spring steel wire resist permanent deformation under high stress with lower-cost carbide options.

Laser welding with edge coating removal and filler wire controls molten-zone carbon and cooling, preserving martensitic strength in hot-formed steel parts.

Uniform sorbite hardness in rolled threaded shafts reduces deformation, improves dimensional accuracy, and lowers tool wear.

Controlled ferrite-carbide microstructure improves cold workability, deep quenching, and surface hardness in thicker automotive steel sheets.

Controlled staged cooling in a casting-rolling line forms ferrite, bainite, and retained austenite without cold rolling or annealing.

Induction hardening on the slide face replaces bolted hardened strips, avoiding drill-hole weakening and breakage under hammer loads.

Controlled sorbite hardness and induction hardening enable precise groove and tooth forming while reducing tool wear and process complexity.

Predicted strip-center displacement lets induction heating track meandering, improving heating uniformity and reducing edge overheating.

Controlled staged cooling in integrated casting-rolling forms ferrite and bainite directly, cutting annealing energy, defects, and microstructure variation.

A tuned C-Si-Mn-Cr-Al steel composition balances cold-forging plasticity with a hardenability bandwidth of 4 HRC or less for precision gears.

Dynamic coolant flow control limits oil spots at mill startup while increasing roll cooling when center buckles signal shape defects.

Mist cooling plus restraining rolls stabilizes quenching through martensite transformation to limit steel sheet warpage and shape defects.

Combined transverse- and longitudinal-field modules heat thin and thick steel strips efficiently while maintaining uniform temperature profiles.

Differential cooling and reheating create martensite and ductile zones in one hot-pressed steel part, enabling tailored hardness and strength.

A staged forging route with anti-oxidation coating and vacuum annealing enables niobium-tungsten rings above 350 mm with less cracking and waste.

Controlled alloy composition and cooling form a magnetite-ferrite scale that improves adhesion, corrosion resistance, weldability, and surface cleanliness.

A straight laser pass across circular lap weld edges rehardened softened HAZ zones in high-strength steel sheets to suppress fracture.

Controlled ferrite, quasi-equilibrium ferrite, and martensite distribution improves hole expansion, ductility, and crack resistance in automotive steel sheets.

A liquid drainer and staged coolant feed keep work rolls thermally stable while preventing coolant oil spots and steel sheet shape defects.

Step heating and soaking across furnace zones keeps different-thickness blanks uniform while reducing hydrogen embrittlement and corrosion risk.

Independently controlled heating bodies heat only overlapping workpiece areas, improving temperature uniformity while cutting furnace energy use.

Different coating thicknesses and steel alloys let one press-hardened part combine local strength, corrosion protection, and lower embrittlement risk.

Forming sheet blanks at solution heat temperature with blankholder flow control cuts cycle time, limits springback, and maintains wall thickness.

Staged rolling and controlled cooling refine steel microstructure before coiling, reducing yield-strength variation in rod-shaped steels.

High-strength steel ratios and body mass-area limits cut lifecycle vehicle emissions while preserving rigidity and collision safety.

Controlled end-surface residual stress and hardness help 1470 MPa steel members resist delayed fracture at bending ridge lines.

Large-strain machining turns as-cast ingots into cold-rollable bulk forms, cutting hot-rolling energy use while improving surface finish.

Controlled Nb, Mo, W, N, and low C composition suppresses Cr carbide formation after high-heat-input welding at 400-700°C.

Controlled S, Sn, and O in duplex stainless steel tubes stabilize internal weld beads while preserving weld-zone toughness and corrosion resistance.