SCC-SSRT Advanced SSRT / Constant Load / Corrosion Fatigue Loading Device

SCC-SSRT Advanced SSRT / Constant Load / Corrosion Fatigue Loading Device



Description
The computer controls a motor that is loading the tensile specimen. The displacement rate is specifi ed by the operator’s computer software.
The measured value from the load cell will be displayed on the computer screen by means of the software. The computer saves both the displacement and load data automatically. The data will be available for further management in ASCII format. The instrument fulfi lls the requirements presented in ASTM Practice G 129.
When constant load feature is used, the response of the load cell is used as a feedback signal to control the displacement so that the load cell measurement value is equal to the load set by the operator.
The loading device can perform low frequency cyclic fatigue tests. The cyclic loading can be performed either under load or strain control. The shape of the loading can be either of trapeze (a special case: saw tooth) or sinusoidal type. The maximum frequency depends on the amplitude.
The basic design of the unit includes a compact non-backlash ball screw driver actuator, with the motor, and a load cell with a digital force indicator. The computer controls the motor and saves the measured data.
Features
The system consists of the loading units,datum acquisition unit, control system and the test vessel. The facility is designed for Constant Load Testing (CL), Slow Strain Rate Testing (SSRT) and Low Cycle Fatigue Testing
(LCF).
The SSRT instrument is capable to perform SSRT / tensile tests, constant load tests and cyclic fatigue tests. Operational parameters are set up through the user-friendly software that allows the combination of various loading modes in sequences and in loops.

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