Test Method Summary
Compression testing of fibre-reinforced composites per ISO 14126, is used to determine mechanical material property data that are of interest for design specification and quality control.
Uniaxial compression force is applied to a rectangular test specimen held in hydraulic wedge grips or a loading fixture to investigate the stress/strain behavior and critical materials properties including compression modulus, compression strength and compressive failure strain. The standard supports loading fixtures that provide shear loading, end loading or mixed loading of the specimen. The standard addresses fibre-reinforced thermosetting and thermoplastic composite materials.
The compression test is performed by placing the loading fixture with the test specimen between compression platens of either a servohydraulic or an electromechanical testing machine and subjecting the specimen to controlled compression load until failure. The specimen response can be measured with a contacting or non-contacting extensometer or strain gauges on both faces of the specimen.
Solutions for ISO 14126 typically include these types of components:
Load Frame Options
The MTS Landmark servohydraulic test systems and MTS Criterion electromechanical universal test systems are ideal for performing accurate and repeatable monotonic testing of fibre-reinforced plastics per ISO 14126.
The MTS Landmark innovative test frame design exhibits superior stiffness and alignment capabilities. The test system integrates the latest MTS servohydraulic technology including precision-machined columns for consistently tight alignment, fatigue-rated MTS actuators with low friction bearings, smooth-ramping hydraulic service manifolds, and SilentFlo™ hydraulic power units are quiet enough to be located directly in the laboratory.
The compact MTS Criterion test system features high-resolution MTS digital controls, linear motion guides for superior alignment, high-speed, low vibration MTS electromechanical drives, optional Dual Zone test space for maximizing efficiency.
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