Welding/Cutting Media/Materials TRIZ Cases

A vacuum-smelted Ag-Cu solder with trace elements improves flow and thermal stability in electric vacuum device joints while lowering silver use.

Balanced Bi, Sb, Ag, and Sn composition improves solder joint ductility to resist heat-cycle cracking, drop impact, and liftoff.

Controlled Mn-Ni weld metal composition stabilizes austenite to keep low-temperature toughness while reducing Ni-driven cost.

A heteroalicyclic amine hydroiodide flux composition cuts voids in QFN solder joints by balancing solvent boiling points and paste viscosity.

A vacuum-brazed miter joint joins thin titanium and steel club head parts with lower stress concentration, less machining, and better yield.

Plasma activation plus carbide-forming and gold layers enable low-temperature brazing of carbon and metal parts with strong joints and less stress.

A mitered vacuum-brazed joint helps join titanium and steel club head parts in thin sections with lower stress concentration and less machining.

Bi, Sb, and trace alloying additions refine SAC-type solder microstructure to resist phase coarsening, cracking, and thermal cycling failure.

Inorganic-acid etching and an Al-Si-Mg clad layer improve flux-free aluminum brazing in inert gas while avoiding residue and vacuum limits.

Higher PEG and lower thixotropic agent levels keep solder paste stable, cut voids, and allow easier cleaning with mild liquids.

Short-wavelength laser melting of copper-based filler limits aluminum heating, suppresses brittle intermetallics, and stabilizes iron-aluminum welding.

Pre-rolling pickling and Bi alloying expose yet embed silicon particles, enabling flux-free soldering with lower tool wear and better accuracy.

A narrow-ΔT Sn-Cu-Ni-Ge solder alloy cuts bridges, icicles, and dross while suppressing Cu leaching and maintaining joint strength.

A dual-laser filler-wire weld joins aluminum-coated blanks without coating removal, preserving weld strength while cutting process time and cost.

A copper core reacted with molten red phosphorus forms thin high-phosphorus brazing foil with less edge cracking and higher yield.

A rosin amine and organic sulfonic acid flux improves wettability on varied electrode finishes and suppresses voids through multiple reflow cycles.

Reactive Mg, Li, and Ca in a clad aluminum brazing sheet break surface oxide during inert-gas heating, enabling fluxless joining with better fillet formation.

Controlled Al, Mn, Mg, and cerium oxide in SS-FCAW wire cut diffusible hydrogen while preserving arc stability and −40°F impact toughness.

A tuned Sn-Ag-Cu-Bi solder composition lowers liquidus temperature while preserving mountability, joint strength, and thermal fatigue resistance.

A tin-based Cu-Ni-Ge solder composition raises viscosity and shear strength to limit die tilt, voids, and interconnect damage across repeated reflow cycles.

A beveled scarf-style joint helps braze titanium and steel club head parts in thin sections while reducing fit-up complexity, weight, and stress concentration.

Controlled Mg and balanced flux chemistry improve slag aggregation, slag removability, and low-temperature weld toughness in Ar-CO2 welding.

Cold rolling replaces hot bonding in aluminum brazing sheet production to improve clad bond strength, thickness uniformity, and scrap reduction.

Alternating recessed tip sections raise current density for easier arc initiation while preserving flux coating durability and manufacturability.

A rosin-amine flux with low-boiling solvent and activator improves post-reflow wettability on Au-, Cu-OSP-, and Sn-treated electrodes.

Controlling resin reactants and acid group content cuts chlorine ions, suppresses copper migration, and improves solder resist developability.

Segmented recesses on an SMAW electrode core tip boost arc-start current density while preserving flux coating durability and reducing weld porosity.

Targeted Co, Ti, Bi, and Sb additions refine Sn-Ag-Cu solder to cut undercooling and improve creep resistance in harsh environments.

A layered nickel-core braze coating replaces organic binders with flux and silicate layers to improve adhesion, oxidation resistance, and brazing quality.

Specific fluoride and deoxidizing flux chemistry stabilizes the arc and molten pool to prevent burn-through and bead defects in positional welding.

A thin nickel-based intermediate layer joins tungsten to iron alloy with higher heat resistance, lower thermal stress, and fewer voids.

Using cellulose resin powder in the filler mix suppresses mamako lumps, shortens dispersion time, and keeps brazing paste viscosity stable.

A layered Al-Si brazing fin sheet uses controlled alloy texture and clad structure to keep thin heat-exchanger fins strong, formable, and brazeable.

A tuned Sn-Ag-Cu-Ni-Co-Ge solder composition suppresses Ni leaching and interface voids while maintaining strong semiconductor package joints.

Solid-state and explosion welding create locally thicker clad regions where corrosion or heat resistance is needed while reducing overall material use.

Automatic oxygen feedback adjusts intake valves in a reflow furnace to prevent oxidation, speed regulation, and cut working gas waste.

Nickel-carbon and nickel-cobalt-carbon brazes join ceramics and metals at lower temperatures while forming repairable hermetic seals.

A cesium-based low-melting flux enables Al-Zn brazing on aluminum below 400°C while avoiding corrosive salts and oxide buildup.

A 3xxx core with Si-rich clad layers enables fluxfree inert-gas brazing at lower temperatures, limiting oxidation, contamination, and degradation.

Low-power current applied during alloy nucleation refines precipitate size and distribution while limiting Joule heating and energy use.

A Sn-Ag-Cu alloy tuned with Ni, Co, and Ge raises tensile strength while limiting Ni leaching and bonded-interface voids.

By limiting Bi and balancing Si and Zr, this flux-cored wire improves slag removability, bead shape, toughness, and corrosion resistance.

Silver-free active metal solder layers bond copper to ceramic substrates while reducing cost and avoiding electro-migration in high-power use.

A Cu-Sb-Ti brazing composition improves ceramic-metal joint strength by balancing wetting, limiting Sb brittleness, and avoiding joining failure.

A self-centering miter joint enables vacuum brazing of titanium and steel club head parts with lower stress concentration in thin, highly stressed regions.

Controlled SAW parameters, K-groove joints, and C-276 wire improve 5Ni steel weld toughness and cold bending at ultra-low temperatures.

Lower manganese in metal cored welding wire cuts fume exposure while boron and titanium preserve weld strength, toughness, and low-temperature impact.

Controlled free silicon and magnesium silicide improve weld fluidity and strength while reducing heat input and base metal dilution.

Calcium and AlN in a magnesium filler alloy suppress ignition during laser cladding while refining grains to improve mechanical properties.

A benzotriazole-based flux limits copper-frame reactions to preserve solder wettability and make flux residues easier to wash away.