Institute of Physics of Materials AS CR, v. v. i. > Laboratories > Laboratories of fatigue of materials

Laboratories of fatigue of materials


Virtual toor

Take a Tour

The fatigue damage of materials is studied at IPM in the groups of Low-cycle fatigue and High-cycle fatigue. We investigate a crack initiation and propagation under number of load cycles from tens to billions.

MTS 809 axial – torsional test system

Contact: Ing. Jiří Man, Ph.D.
Servohydraulic MTS 809 axial – torsional test system allowing us to perform isothermal fatigue testing with independent bi-axial loading at temperatures from 24°C up to 1400°C.

INSTRON E3000 with linear motor technology

Contact: doc. Ing. Pavel Hutař, Ph.D.
Electrodynamic testing instrument INSTRON with closed control loop for static or dynamic testing from very small to high frequencies (200 Hz and more). Maximal load is of ±3000 N for dynamic testing and ±2100 N for static testing. The system is equipped with temperature controlled chamber INSTRON 3119-605 with a temperature range from -100°C in LN2 atmosphere (-70 °C in CO2) to 350 °C and the internal dimensions of 485×240×230 mm.

Resonant system Amsler 10 HFP 1478, 100 kN, push-pull

Contact: doc. Ing. Pavel Hutař, Ph.D.
Resonant pulsator dedicated mainly for fatigue tests at high temperatures. The testing device is equipped by furnace with possible heating up to 1000 °C. Work resonant frequency is controlled by electromagnetic actuator. Test frequency is adjustable and is usually in range of 100 to 130 Hz. Movable crosshead of the pulsator enables application of mean force loads, i.e. asymmetrical fatigue tests.

Resonant system Amsler 2 HFP, 20 kN, push-pull, temperature up to 600 °C

Contact: doc. Ing. Pavel Hutař, Ph.D.
Resonant electromagnetic pulsator equipped by accessories for testing of compact tensile specimens and 3 point bending test dedicated mainly for fatigue crack propagation measurements. Therefore, the pulsator is upgraded by pair of camera system for fine measurement of actual crack length. Maximum dynamic force 25 kN predetermines this testing device for small specimen testing. Test frequency can be in range of 35 to 300 Hz.

Resonant system Schenck PVQ, 60 kN, push-pull

Contact: doc. Ing. Pavel Hutař, Ph.D.
Resonant pulsator with mechanical actuator. Possible test frequencies are from 12 to 83 Hz. Test machine is suitable for force controlled fatigue tests of larger samples thanks to the size and stiffness of frame. Dynamic load can be up to 30 kN and mean load up to 36 kN. The pulsator is dedicated for fatigue crack propagation tests of flat specimens (push/pull or push/push tests) or 3 point bending test specimens.

Servohydraulic system Zwick/Roell Amsler HC25, push-pull

Contact: doc. Ing. Pavel Hutař, Ph.D.
Compact table model of servo-hydraulic pulsator dedicated for static and dynamic material testing. Pulsator is capable to load the specimen by forces up to 25 kN. Maximum stroke of grips is 250 mm. Testing device is able to control mechanical tests in control regime of force or displacement. Electronic controlling system enables tailoring of a course of the mechanical test according to operator needs. Zwick/Roell Amsler HC25 is mainly determined for fatigue tests with low frequencies and with needs of fine level of control.

MTS 810 servo-hydraulic testing machine for fatigue loading at temperature range from -196°C up to 350°C

Contact: Ing. Jiří Man, Ph.D.
Testing system allowing us to perform isothermal fatigue loading at temperature 24°C or when equipped with cryostat at low temperature from -196°C or equipped with environmental chamber in temperature range from -70°C up to 350°C.

MTS 810 servo-hydraulic testing machine for fatigue loading at temperature from 24°C up to 1000°C

Contact: Ing. Jiří Man, Ph.D.
Testing system allowing us to perform isothermal fatigue loading at temperatures from 24°C up to 1000°C.

MTS 880 servo-hydraulic testing machine for thermo-mechanical fatigue

Contact: Ing. Jiří Man, Ph.D.
MTS 880 servo-hydraulic testing system allowing us to perform an independent mechanical and thermal cyclic loading in the temperature range from 24°C to 1200°C.

Schenck PVQ

Contact: doc. Ing. Pavel Hutař, Ph.D.
Resonant pulsator equipped with mechanical actuator. Possible test frequencies are from 12 to 83 Hz. Test machine is suitable for force controlled fatigue tests of larger samples thanks to the size and stiffness of frame. Dynamic load can be up to 30 kN and mean load up to 36 kN. The pulsator is dedicated for fatigue crack propagation tests of flat specimens (push/pull or push/push tests) or 3 point bending test specimens.

Ultrasonic system for very high cycle fatigue measurements

Contact: doc. Ing. Jan Klusák, Ph.D.
Ultrasonic fatigue system pulsating at frequency of 20 kHz. This allows real-time measurement of very high cycle fatigue properties of materials at the number of cycles between 10 million to 10 billion. Measurement is possible under tension/compression and tension/tension conditions. It enables the measurement of SN (Wöhler) curves and fatigue crack propagation rates.

Resonant system Cracktronic 8024, 70N/m, bending

Contact: doc. Ing. Pavel Hutař, Ph.D.
Resonant table machine used for bending stress application and for precracking of impact test specimens. Maximum static bending moment reaches 70 Nm and dynamic 35 Nm. Test frequency can be up to 200 Hz according to the specimen shape.

Resonant system Fractronic 7801, 100 kN, push-pull, temperature up to 800°C

Contact: doc. Ing. Pavel Hutař, Ph.D.
Electromagnetic resonant pulsator mainly for fatigue tests at high temperatures. Movable crosshead with possible recording of its position enables to measure cyclic creep curves and also conducting tests with periodical changes of mean load (i.e. suitable for combined cyclic tests). Test frequency ranges from 100 to 130 Hz.

Servohydraulic system Shimadzu 10kN

Contact: doc. Ing. Pavel Hutař, Ph.D.
Servo-hydraulic pulsator equiped with device for hysteresis loop recording. Testing device is suitable for fatigue tests in area of low cycle fatigue and shorter high cycle fatigue because of low test frequencies (0,1 – 10 Hz).