High frequency laboratory

Equipment

2 ultrasonic fatigue testing machines (f ≈ 20 kHz)

• High frequency fatigue testing up to 10⁸ – 10¹⁰ load cycles
• Material specific sample geometries (round or flat samples)
• Already tested geometries: 100Cr6, Ti-Leg., Ni based alloys, Al alloys, various steels

2 electromagnetic resonance pulsators (f ≈ 1.000 Hz)

• Technical data: F_max ≤ 50 kN
• Testing of material samples and components
• Operational test conditions (temperature, oil bath, salt fog, etc.)

1 electromagnetic resonance pulsator (40 Hz ≤ f ≤ 250 Hz)

• Technical data: F_max ≤ 100 kN
• Testing of material samples and components
• Operational test conditions (temperature, oil bath, salt mist, etc.)

Application

• High frequency fatigue testing of material samples and components in the HCF and VHCF range (load cycles up to 10¹⁰)
• Determination of fatigue strength under operational test conditions of different states, manufacturing parameters etc. by means of HF fatigue testing
• Single stage testing, bloc-program testing
• Load increase tests, staircase tests, fatigue tests with holding times
• Tension/compression tests
• Fatigue crack growth, da/dN, determination of fracture toughness