Uniaxial tensile force is applied to rectangular material specimens with reduced parallel sections or to parallel stripe rectangular specimens and the length and width changes are measured. For the majority of thin sheet metals, the plastic strain ratio can be calculated by the ratio of the true plastic width strain to the true plastic thickness strain up to the maximum applied tensile force, assuming constant volume.
MTS Criterion universal testing systems are engineered to support the needs of advanced Research & Development. MTS Exceed universal testing systems are best suited for Quality Control testing by delivering the reliable performance needed to meet the uptime demands of high-volume production environments. Due to the large variety of metals and specimen dimensions that can be tested per ASTM E517, the required force capacities can differ significantly. MTS offers frame models that address the smaller force requirements for testing thin-sheet specimens up to high-force requirements for testing solid cylindric specimens with a large diameter.
The MTS Criterion and the MTS Exceed universal testing machines range from tabletop to floor-standing electromechanical models with force ratings of up to 600 kN / 135 kip. Many of the models also have dual-zone test spaces to reduce set-up times if you frequently change test requirements.
The MTS Landmark dynamic servohydraulic test system with its superior stiffness and alignment capabilities, is an ideal choice if additional fatigue and fracture testing capabilities are required. Systems are available in highly configurable floor-standing and tabletop models with force ratings from 5 kN / 1 kip to 500 kN / 110 kip.
As an alternative to a new load frame, you can replace outdated controls / hydraulics of existing MTS or another manufacturer’s static-hydraulic, electromechanical, servohydraulic or custom test systems, including: **Instron®, **Zwick®, **Tinius Olsen™, **SATEC®, **Baldwin® and more with an MTS ReNew™ Upgrade.
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