Post Yield Strain Gauges

Post Yield Strain Gauges

Measure Large Deformations Beyond Elastic Limits with Precision

Post Yield Strain Gauges from Proact IMS are specially developed for applications where materials undergo plastic deformation, exceeding their elastic limits. Unlike conventional strain gauges that lose accuracy after yielding, these sensors are designed to track high-magnitude strain in the plastic zone, making them ideal for crash testing, material ductility studies, and structural failure simulations.

These gauges are built with elongated grid lengths, high strain-capable backing, and fatigue-resistant alloys to ensure reliability during high-deformation events.

• Key Features
  • Capable of measuring strain beyond the yield point of metals and composites
  • Extended measurement range: up to 400,000 microstrain or more
  • Maintains linearity in both elastic and plastic zones
  • Available in single grid and multi-grid rosette formats
  • Reinforced backing for resistance to tearing during extreme deformation
  • Optional pre-leaded wires, strain relief, and field-ready kits
• Applications

  Crash and Impact Testing (Automotive)

  • Structural frame analysis during crash simulations
  • Crumple zone and bumper deformation measurement

  Aerospace Structural Trials

  • Ductility testing in aluminum and composite panels
  • Overload behavior of aircraft structures during certification

  Structural & Civil Engineering

  • Post-yield behavior of reinforcing bars (rebar) and structural steel beams
  • Seismic simulation studies on columns and joints

  Material Research & Metallurgy

  • Plastic deformation studies of metals, alloys, and polymers
  • Behavior analysis under creep and strain-rate controlled loads
    
• Technical Specifications
  • Gauge resistance: 120Ω or 350Ω (custom available)
  • Gauge factor optimized for high-strain response
  • Backing: reinforced polyimide or glass cloth
  • Max strain range: up to 20,000 µε (microstrain)
  • Configurations: linear, shear, and rosette
  • Compatible with Wheatstone bridge circuits and high-speed DAQ systems

System Integration

• Works with LabVIEW, NI DAQ, TML software, and custom SCADA
• Suitable for impact testing rigs, servo-hydraulic actuators, and fatigue machines
• Real-time signal processing for high-speed strain events
• Can be combined with accelerometers, load cells, and LVDTs for complete deformation profiling

 Why Choose Proact IMS Post Yield Strain Gauges?

• Designed specifically for nonlinear strain behavior and failure analysis
• Proven in government crash labs, aerospace trials, and material research centers
• Offered in pre-packaged test kits or custom configurations
• Backed by technical support for mounting, calibration, and test system interfacing
• Fast delivery for R&D teams and third-party testing organizations