Hot-Dipping/Immersion Processes TRIZ Cases

Controlled alloy composition and microstructure simplify plated steel sheet production while delivering high strength, elongation, and hole expansion.

A desiccant lowers furnace water vapor during hydrogen firing, limiting oxidation and hydrogen ingress while preserving coating adhesion.

Controlled quenching and partitioning create martensite and retained austenite, lifting steel strength while preserving elongation and weldability.

A surface soft layer and controlled multi-phase microstructure help high-strength steel sheet retain bendability and absorb crash energy.

A surface soft layer and controlled ferrite-martensite microstructure help 1180 MPa class steel sheets balance press formability with impact energy absorption.

Controlled heating and cooling help Zn-Al-Mg checkered steel maintain flatness and more uniform coating thickness while improving corrosion resistance.

Calibrating dew point and heating conditions in steel sheet annealing prevents selective oxides, improving coating wettability and adhesion.

By raising the Zn-phase fraction in a Zn-Al-Mg hot-dip coating, this case improves whiteness, reduces visible defects, and preserves corrosion resistance.

Fine-grained ferrite-pearlite steel with Ti and V precipitates traps hydrogen, improving weldability and embrittlement resistance in pipes.

By limiting Zn phase area and tuning Al and Mg content, this plated steel sheet gains metallic luster without sacrificing corrosion resistance.

Alternating ammonia and hydrogen peroxide in a separate precipitation bath uses pH feedback to complete iron removal and cut flux waste.

A tuned Al-Si-Mg-Zn coating keeps hot-formed steel phosphateable while avoiding zinc-driven liquid metal embrittlement and surface defects.

Segmented, rotatable overflow compartments control liquid metal discharge to prevent strip splashing and lower coating defects on both faces.

Uniform boron segregation at prior-austenite grain boundaries helps this steel sheet reach 1180 MPa strength with stretch flangeability and toughness.

Controlled retained austenite and martensite help 980 MPa steel sheets keep ductility, resist delayed fracture, and widen bending clearance.

Controlled Mn segregation and ferrite-hard phase balance help high-strength steel sheets resist ghost lines during press forming.

Controlled ferrite-martensite steel composition keeps sheets formable before pressing, then raises yield strength after bake hardening to resist dents.

A cerium-containing conversion coating helps zinc-plated steel resist corrosion and suppress white rust even after bending or pressing cracks.

Retained austenite and controlled annealing help steel sheet keep ultra-high strength while improving cold formability for complex automotive parts.

A Zn-Al-Mg-Ca hot-dip coating uses controlled alloy ratios and rapid cooling to improve corrosion resistance while limiting cracking and peeling.

Controlled ferrite, bainite, and martensite balance cuts shear burrs while preserving weldability and workability in 550 MPa steel sheet.

By limiting hard phases and large void density at quarter thickness, this steel sheet improves formability, strength, and fracture resistance.

Vanadium carbon nitrides and fine ferrite-pearlite microstructure help hydrogen pipes gain strength while resisting embrittlement.

Controlled oxygen, silicon, and manganese depth profiles form a soft surface layer that suppresses LME and improves spot weld fatigue strength.

Controlled Ti and annealing disperse fine TiC in martensitic steel sheet to trap hydrogen while preserving strength, ductility, and fatigue resistance.

A reactive seed layer on a temporary support enables smooth copper transfer with stable adhesion, lower cost, and fewer plating defects.