Welding/Cutting Media/Materials TRIZ Cases

A liquid carboxylic acid flux doubles as solvent and activator to improve solder wettability and suppress joint voids.

Controlled tin, copper, bismuth, and cobalt alloying reduces undercooling and copper dissolution while improving wetting and reliability.

AA6xxx brazed aluminum uses tuned Mg-Si-Ti composition, controlled cooling, and aging to raise yield strength without sacrificing solderability.

A low-silver Sn-based alloy uses Bi, Co, Sb, and Ni to cut undercooling while balancing thermal cycling and drop/shock reliability.

A water-free flux using citric acid and water-soluble base agents improves solder wettability while suppressing ball missing after reflow and washing.

Partial oxidation and slag reduction separate copper from tin and lead, improving furnace use and crude solder co-production.

Sequential keyhole and heat conduction welding reshapes the weld zone to suppress cracks and raise fatigue strength in steel butt joints.

Mg, Li, and Ca in the clad brazing sheet break surface oxides during inert-gas heating, enabling sound fillets in large-clearance joints without flux.

A binder with solid and liquid solvents turns brazing material into a paste that applies directly, improves wetting, and simplifies small-part assembly.

Oxide particles from Mg and related elements break surface films during inert-gas brazing, improving fillet uniformity without flux or vacuum furnaces.

A multilayer aluminum brazing sheet uses an Mg-rich intermediate layer to break oxide films, limit Si diffusion, and enable flux-free brazing.

A polyamide thixotropic agent and isocyanuric acid activator improve solder meltability on miniaturized pads without halogen emissions.

Controlled Mg, Si, and trace-element additions limit stable MgO film growth, improving fluxless brazing consistency in aluminum heat exchangers.

A single furnace cycle sinter-brazes powder metal to wrought steel, forms martensite, and then tempers the part for higher toughness.

A rosin-modified flux with phosphoric acid ester forms a hydrophobic film that blocks moisture ingress and suppresses ion migration at soldered parts.

A layered Al-Si brazing sheet enables flux-free inert-gas brazing by limiting oxidation and improving molten alloy flow for heat exchanger joints.

A zinc-rich filler and selective laser heating join steel to aluminum while avoiding brittle inter-metal compounds in the weld.

A multilayer low-melting solder uses indium-rich ductility and controlled heating to bond automotive glass without cracking.

Reducing manganese in metal cored welding wire lowers fume emissions, while boron and titanium refine grains to preserve weld strength.

A controlled Mg surface gradient limits oxidation and diffusion during Sn plating and heating, improving solder wettability and adhesion.

A Bi- and Si-containing filler with a graded Mg profile speeds oxide breakdown and fillet formation in inert-gas aluminum brazing.

A rosin-based flux with naphthoic acid and phenyl imidazoline improves solder wettability and viscosity stability without halogen activators.

A graded Mg profile in the filler layer speeds surface supply during flux-free brazing, improving oxide breakdown, joint quality, and sheet simplicity.

Sn-Ag-Cu-Sb-Bi-Ni solder composition slows intermetallic growth and stabilizes joints for harsh thermal cycling in automotive and LED assemblies.

Compacted eutectic salt granules refine molten aluminum by removing impurities and dross while cutting chlorine emissions and sodium buildup.

Fe and Co tuned lead-free solder suppresses spalling and voids in ECU joints while maintaining heat-cycle reliability under thermal stress.

Partial slag reduction with copper addition shifts tin and lead into the metal phase, improving solder purity and metal recovery.

Nickel-based powder HIP joins low alloy steel to stainless steel without dissimilar welds, improving inspectability and reducing repair burden.

Protrusions on a flux-cored brazing preform engage component surfaces to stop movement during assembly and transport before brazing.

A multi-metal bond layer balances bond stability with thermal and electrical conductivity while avoiding silver migration in metal-ceramic substrates.

Surface etching enables flux-free CAB with stable brazing quality, less residue clogging, and cleaner aluminium heat exchanger production.

Rare earth oxide and balanced aluminum-manganese flux chemistry cut diffusible hydrogen while preserving arc stability and low-temperature toughness.

Wrapping a welding rod in boron, silicon, or germanium foil and sintering it speeds superalloy filler development while improving weldability.

Rare earth silicides and organic stabilizers help tubular welding wire keep arcs stable and porosity low on coated thin metals at high travel speeds.

A copper or copper-alloy layer on high-alloy welding wire cuts flaking, wear, and clogging while extending contact tip life.

A Sn matrix with dispersed Ni-Fe alloy particles cuts voids and raises shear strength in high-temperature solder joints for SiC devices.

A multi-layer aluminum tube uses a sacrificial liner and strong core to improve fin contact, heat transfer, and corrosion resistance in HVAC exchangers.

An Mn-containing oxide film blocks sulfur-driven sulfide formation in brazing filler, preserving melting behavior and bond strength.

An imidazole-rich flux composition suppresses solder-paste voids while preserving tackiness and storage stability during reflow.

A CaF2-Al2O3-CaO·6Al2O3 ESR flux lowers melting point to cut energy use and avoid unmelted slag while preserving impurity removal.

Aggregating and crimping thread solders forms customizable plate-shaped solder that cuts ribbon solder cost and inventory complexity.

An epoxy resin and reducing agent replace flux in bonding wire, removing solder oxide without fumes or residue cleaning.

A tuned Al-Nb-Y overlay alloy forms an alumina barrier on reaction tube projections to resist oxidation, carburization, and coke buildup.

An Au-Cu-Ni filler balances wetting, melting range, and low vapor pressure to prevent pores and cracks in TU1 copper X-ray tube brazing.

A slag-contact refining route processes more black copper while recovering tin and lead and maintaining anode-quality copper.

Controlled Co, Ti, Bi, and Sb additions cut undercooling and stabilize solder microstructure for stronger joints in harsh thermal service.