Welding/Soldering/Cutting Articles TRIZ Cases

Dual-beam spiral laser welding stabilizes the keyhole, releases entrapped gas, and reduces spatter in coated or dissimilar metal joints.

A perforated interlayer in resistance spot welding contains expulsion, limits heat-affected damage, and strengthens weld nuggets.

Symmetrical branched gas channels create a uniform cutting flow in laser heads, improving edge perpendicularity, surface quality, and speed.

Combined laser grooves and nearby thermal shock portions minimize magnetic domain size, reduce iron loss, and preserve magnetic flux density.

High-power laser irradiation followed by reduced-power passes improves heat distribution, cutting weld voids, cracks, and reliability loss.

A polycrystalline diamond friction stir tool conducts heat away from low-melting alloys, reducing wear while enabling faster processing.

Pulsed laser ablation creates multiscale roughness on inhomogeneous substrates to improve thermal spray adhesion and limit crack propagation.

Blue preheating beams raise absorptivity before infrared main heating, improving laser processing of reflective metals like copper and aluminum.

Preheating brittle substrates above the annealing point before IR laser drilling relaxes stress, limits cracks, and avoids etching.

A second trailing energy input broadens the melt pool to cut segregation, void entrapment, and centerline stress in superalloy welds.

Dynamic control of beam divergence, diameter, and emitting angle keeps laser machining uniform on curved surfaces without rotating the workpiece.

Controlled heat input and steel composition produce fine bainite in friction stir welded high-strength steel, improving joint strength and toughness.

Controlled femtosecond pulse trains create regular sub-100 nm surface patterns over large areas, enabling multi-axis nanostructures.

Broadband harmonic beams and chromatic focusing improve absorption in reflective materials while reducing laser cost and control complexity.

Time-staggered ultrasonic head operation prevents overlapping vibrations, improving multi-point bonding accuracy and throughput.

Deeper shoulder plunging and 90-175 MPa backfilling concentrate protective-layer material at the weld center to prevent cracks and preserve joint strength.

Continuous laser cutting with suction below the cut area removes paper windows and debris, reducing downtime and format-change waste.

A long-focus F-theta lens and top-hat beam profile enable zero or negative taper cuts with lower power loss and less CNC complexity.

A frustoconical pin profile lowers tool stress and improves material flow, enabling stable long welds in thick parts with fewer defects.

A fixed multi-surface reflector redirects a stationary laser beam around inaccessible workpiece areas to deliver uniform 360° welds with less setup.

Different beam polarizations prevent interference between adjacent overlapping focus zones, enabling precise 3D laser processing.

A two-pin friction stir joining approach for liquid-cooling jackets cuts recessed grooves, surface roughness, and burrs while improving joint strength.

A hollow, dome-tip pierce metal enables spot welding between aluminum die-cast and iron-based parts while reducing cracks and misalignment issues.

Laser processing converts an embedded metal layer into isolator and conductor sections, simplifying bonded transparent component fabrication.

An Al-Mn clad layer replaces soft 1XXX cladding to improve corrosion resistance, formability, and die handling in 2xxx aerospace sheet.

Air blown at the rivet shank during resistance joining suppresses molten aluminum spout and burrs while preserving joint strength.

A rotating wafer and controlled liquid layer use centrifugal force to remove debris while limiting laser diffusion in semiconductor processing.

A vertical-face and inclined-face butt joint forms a V-gap that simplifies dissimilar metal joining while limiting heat input and burr defects.

A non-condensing optical path defocuses polygon-mirror corner beams to keep groove depth uniform and prevent optical contamination.

Varying laser line energy and measuring intermetallic content helps aluminum-copper welds keep stronger electrical and mechanical reliability.

Calculated focal coordinates and light modulation keep the laser focus fixed during head rotation on uneven glass surfaces.

Heating a linear-friction-welded assembly above the α-β to β transition and cooling it reshapes the weld microstructure for better damage tolerance.

A hard tip and tougher shoulder let this friction stir welding tool resist adhesion wear while preventing chipping in iron-aluminum joining.

Chromium and nickel boundary measurements reveal weld degradation in ferrite steel joints, improving replacement timing under heat.

A fused magnetic layer creates a hidden code on plate-like workpieces that stays readable after coating, grinding, or deburring.

A low-additive silicon nitride FSW tool uses lanthanoid-based grain boundary phases to balance sinterability, wear resistance, and oxidation life.

A protrusion-driven spot weld displaces molten aluminum to form a steel-to-steel faying interface, improving dissimilar-metal joint strength.

Pulsed laser heating in water removes concrete, brick, and rock surfaces gently while containing hazardous material and avoiding aerosol release.

Current is directed to melt the lower-resistivity plate, forming an intermetallic joint that avoids excessive heating, voids, and weak bonding.

A circular or elliptical laser path bridges overlapped plates for high-quality lap fillet welds without added MIG equipment.

A microlens array splits one laser beam into many focused sub-beams, cutting micropatterning time while keeping feature shapes consistent.

Controlling the weld nugget taper to 45° or less smooths vapor discharge, reduces sputtering, and preserves strong electrical and mechanical joints.

Burst-mode femtosecond pulses structure transparent substrates near the ablation threshold while limiting cracks and edge defects.

Laser-modified regions and etching form glass chamfered corners with precise edge quality while reducing polishing time, breakage, and jig use.

Pulsed laser heating removes toxic or hard coatings while limiting substrate heat damage and enabling safer waste collection.

Measured layer thickness is used to adapt laser ablation geometry, preventing hard-layer offsets and improving cutting edge quality.

A defocused backside fiber laser welds titanium joints with faster processing, complex joint access, low porosity, and improved microstructure.

A phase mask and cylindrical lens form periodic laser lines while suppressing near-axis light to cut power loss and improve microstructure resolution.

By correcting laser focus from measured wafer surface height changes, this case keeps the modified layer at a constant depth for straighter chip edges.

Rotating the workpiece under a fluid-jet guided laser enables precise turning of hard, brittle, and heat-sensitive materials with smoother surfaces.