Material Strength Using Repeated/Pulsating Forces TRIZ Cases

A flexible membrane holder excites sample resonance to measure shear modulus and viscosity in soft materials with precise, repeatable bulk testing.

Automatic striking and vibration sensing link machine natural frequency to each tensile test, reducing operator workload and resonance-related errors.

Actual transition times are used to adjust test profile segments, cutting iterations and testing time caused by dynamic null pacing.

A dual-station vibration tester prepares and runs multiple fastener samples in sequence, enabling portable comparison of fasteners and threadlockers.

A mask-replica Almen strip holder simulates workpiece shadowing to predict saturation accurately, cut peening time, and reduce impact damage.

Adaptive cyclic loading keeps strain energy release rate nearly constant, cutting fatigue test time and manual crack measurement effort.

Portable x-ray diffraction scanning measures strain and stress in turbine components in place, reducing inspection time, downtime, and cost.

An X-ray diffraction probe scans turbine components in place to detect defects and calculate strain and stress with less downtime.

A spring-preloaded wedge locks the sensing plunger to the loading plunger, shortening setup and speeding sample changes.

Multiple sensors and an invariant model detect fiber rope damage and predict fracture points without destructive testing.

Predict multiaxial fatigue life from thermal dissipation and axial-torsional resistance data.

This integrated test cell simplifies combined loading while observing crack surfaces and recording acoustic emissions from micro-fractures.

A digital-physical testing system links numerical simulation with physical fatigue experiments to automate crack detection and tracking.

A multi-functional fixture applies stretch, shear, and torsion to specimens for mixed-mode fatigue testing.

Automated fall height selection adapts striking energy to soil resistance, enabling detection of soft layers without manual intervention.

An ultrasonic torsional fatigue test applies high-frequency cyclic loads to determine the shear fatigue strength of metallic materials.

Gain calculation device determines optimal control parameters during initial test iteration to eliminate force overshoot and shorten duration.

A hydraulic indenter apparatus uses bellows and position sensors to generate controlled force for material testing.

A polyethylene composition with controlled density and comonomer content enables durable thin film hinges for snap-top lids.

A single motor moves between sample chambers to apply mechanical loads, eliminating idle time and improving productivity during conditioning.

Estimates pipe rigidity and strength by analyzing external vibration responses to excitation forces.

Segmented design isolates the measuring column from the support yoke to eliminate structural overlap during elastic property characterization.