Furnace Types TRIZ Cases

A high-entropy alloy with FCC phase transforms to BCC at cryogenic temperatures, enabling transformation-induced plasticity.

Pre-straining increases retained austenite, which transforms to martensite during impact to resolve static-dynamic strength differences.

A metal golf shaft uses variable tempering to create longitudinal hardness patterns without changing the tube shape.

A precipitation hardening metastable austenitic stainless steel wire combines cold working and aging treatment to achieve high tensile strength.

A steel sheet temperature control device combines feedforward prediction with feedback correction to adjust furnace heating zones.

Stepped cooling refines martensite and stabilizes residual austenite in hot-rolled Q&P steel, resolving the trade-off between tensile strength and plasticity.

Ir and Rh oxide precipitates within tempered martensite prevent microstructural coarsening during extended post-weld heat treatment.

Optimizing Cr content and phase ratios resolves the contradiction between strength and corrosion resistance in deep-sea oil wells.

Optimized austenitic steel composition resists stress corrosion cracking and hydrogen embrittlement in acidic offshore environments.

Optimized chemical composition in seamless steel pipes achieves 555 MPa yield strength while maintaining weldability.

Nitrogen enrichment prevents chromium oxide formation during high temperature brazing, enabling reliable joints without expensive molybdenum additions.

Holding heated components at the furnace outlet allows differential cooling before tempering, reducing cycle time.

Optimizing Ti carbide precipitation in the ferrite phase resolves the trade-off between tensile strength and stretch flangeability.

A high-strength hot-rolled steel sheet uses a composite microstructure to deliver superior bendability without cracking during forming.

Precise chemical parameter control and rapid water cooling produce martensitic microstructures that maintain weldability while achieving 400-465 HBW hardness.

A centrifugally cast composite roll uses controlled cooling and tempering to create a hardness gradient in the outer layer.

A method for manufacturing motor vehicle parts using a 5000 series aluminum alloy blank with partial heating and rapid cooling.

Post-furnace mechanical property feedback enables dynamic adjustment of temperature and speed, resolving thermal inertia issues in metal processing lines.

Precise carbon and vanadium ratios in ferritic steel maintain stable creep strength at elevated temperatures, preventing premature fracture under stress.

Dual-phase stainless steel sheet with controlled grain sizes and sulfide inclusions prevents micro-crevice corrosion at sheared lines without post-treatment.

Real-time sensor data drives dynamic heating adjustments to eliminate stress concentrations caused by non-uniform wall thickness variations.

Segmented heating zones with dynamic rate control raise sheet steel above AC3, reducing oxide formation and scrap while maintaining energy efficiency.

Zirconium and niobium mediate titanium nitride precipitation to eliminate surface streaks while maintaining corrosion resistance.

Optimized steel composition forms de-generated pearlite to secure toughness, eliminating expensive alloying elements while maintaining tensile strength.

Controlled cooling of cast steel slabs minimizes central segregation in high-strength sour-resistant line pipe plates.

A steel strip with a ferrite area ratio of 90% or more achieves high yield strength through controlled precipitation hardening.

A low alloy oil well steel pipe uses a two stage tempering process to form coarse cementite particles within the tempered martensite matrix.

Flowforming rollers compress tubular workpieces to generate internal compressive hoop stress, avoiding high-pressure equipment failure risks.

Hot-stamped steel part with controlled cooling rate and specific chemical composition to achieve martensite structure.

Hot rolled ferritic stainless steel sheet with controlled composition and annealing.

A cold rolled steel sheet features a specific binder and natural wax layer that enhances press formability.

Controlling rolling strain and cooling rates refines ferrite grains to resolve the contradiction between high tensile strength and stretch flangeability.

Continuous casting refines austenite grains to resolve element segregation and reduce energy consumption in manufacturing.

Segmented cooling units with movable covers deliver targeted cooling to resolve uneven thermal distortion in 3D loaded metal products.

Refined ferrite grain diameter enhances acid dew point corrosion resistance in steel plates without expensive alloying elements.

Pre-cooling hot-rolled maraging steel below the Ms point suppresses thermal recuperation during coil winding, eliminating uneven hardness and cutting waste.

Optimized heat treatment deposits fine gamma prime particles, resolving the trade-off between tensile strength and bending workability.

Nb-based carbides strengthen steel sheets for cans, preventing local deformation during complex forming operations.

Thermal cycling of hot rolled steel sheets produces ferrite and retained austenite microstructures for high strength applications.

Optimized wustite and magnetite thickness ratios improve scale adhesion on hot rolled steel, eliminating costly copper or nickel additions.

Restricted carbon and alloying element content in bearing steel prevents massive eutectic carbide formation that shortens rolling contact fatigue life.

A kiln control system adjusts firing parameters based on post-firing tile measurements to maintain precise shape and dimensional consistency.

A high strength steel sheet with optimized lower bainite and martensite microstructure.

Controlling dislocation density ratios at the widthwise edge and thicknesswise center reduces transformation strain, preventing warpage during shearing.

Optimized alloying elements and heat treatment secure 60 J Charpy absorbed energy at -40°C in thick-walled pipes where cooling rates are difficult.

A heat treatment method applies asymmetric cooling rates to a bainitic turnout rail head to maintain overall length flatness.

Hot rolled steel sheet uses controlled cooling to form a fine-grained ferrite-bainite microstructure.

A blade steel production method combining batch annealing with continuous heating above the Ac1 point to achieve high carbide concentration.

Heating high-strength sheet metal before bending enables continuous deformation through phase transformation.

Optimizing carbon and alloy content balances tensile strength against formability, enabling complex automotive components.