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Fatigue Ultrasonic Testing Machine / Equipment For Complex Material Evaluation

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Fatigue Ultrasonic Testing Machine / Equipment For Complex Material Evaluation

Brand Name : HC-SONIC
Model Number : HC-NS20
Place of Origin : CHINA
Price : negotiation
Payment Terms : T/T, Western Union, MoneyGram, PAYPAL
Supply Ability : 500 SETS PER MONTH
Delivery Time : 3DAYS
Packaging Details : FOAM AND CARTON
Name : Ultrasonic fatigue strength
Frequency : 20KHZ
Power : 100w
Type : test equipment
orn end face amplitude : ±10 to ±50 µm
Application : engine blades for aircraft/shipping propellers
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20Khz implements materials fatigue testing Ultrasonic fatigue strength equipment


The fatigue testing machine is used to measure the fatigue characteristics, fatigue life, pre-cracking and crack propagation test of tensile, compressive or tensile-pressure alternating loads of metals, alloy materials and their components at room temperature. While demanding high performance, people are increasingly demanding working conditions for structures and parts, and fatigue research has not been satisfied with life spans of tens of thousands of times.

Ultrasonic fatigue is caused by acoustic, aerodynamic or mechanical operation. Its high frequency, small amplitude, high cycle time but short duration can lead to fracture damage of aviation, spacecraft and other mechanical structures. The fatigue testing machine has various forms due to the structure of the load, and the ultrasonic fatigue testing machine is mainly used for the tensile compression fatigue test.

Ultrasonic virbrate 20000 time in 1 second, for some aerospace material , it need fatigue test at million times, if test it by human, it needs about 20years. but by ultrasonic, it need only minutes. By our special desgin ,the output of the horn will be enlarge times, so the strength will not less than the human test too.

Ultrasonic fatigue strength test, where it had been difImplements materials fatigue testing at 20 kHz. Consequently, it is possible to evaluate ficult to obtain data before. Also, data for 107 cycles can be obtained in about ten minutes.

The ultrasonic fatigue testing system presented here gives the opportunity of evaluating the fatigue lifetime curve, the cyclic stress-strain curve, the course of the plastic strain amplitude versus the number of loading cycles, the fatigue lifetime curves in Manson and Coffin representation, factors of a new fatigue lifetime curve etc, for different metals. The full complex data are shown for carbon steel.

Test frequency

20 kHz ±500 Hz (recommended test range 20 kHz ±30 KHz) * The test frequency is determined by the resonance

frequency of the specimen.

Horn end face amplitude±10 to ±50 µm
Test stress range

Stress when the specimen undergoes ±10 to ±50 µm

displacement *The stress value depends on the specimen

shape and physical properties.

Power requirements200 V 3-phase: 2 kVA (air compressor)
200 V 1-phase: 3.5 kVA (ultrasonic fatigue testing system)
100 V 1-phase: 1 kVA (including PC, displacement recorder, air drier)


  • Accelerated evaluation of the fatigue life of metals and materials is possible at 20 kHz cycle speed. Even 1010 cycle tests are completed in a mere six days.
  • Significant stress can be produced by testing under resonance conditions, and furthermore is economical.
  • Constant stress amplitude control is possible via the controller (provided) with the PC.
  • Optimal for long-life evaluation of materials and high-speed vibration replication experiments.
  • The test system is extremely compact, allowing it to be installed anywhere.
  • The Windows software provided can be used for easy testing from design of resonance specimens through to actual testing.


Ultrasonic fatigue test method is mainly used in aerospace, high-speed rail vehicles and nuclear power plants, and carries out (super) high-cycle fatigue performance tests of various metal materials such as alloy steel, aluminum alloy and titanium alloy, and carbon fiber composite materials. Compared with the conventional fatigue test method, the test time can be shortened by more than 90%, and the test cost is greatly saved.

The recently increased interest in very high cycle fatigue properties of materials has led to extended use and further development of the ultrasonic fatigue testing technique. Specimens are stimulated to resonance vibrations at ultrasonic frequency, where the high frequency allows collecting lifetime data of up to 1010 cycles and measuring crack propagation rates down to 10−12 m per cycle within reasonable testing times. New capabilities and methods of ultrasonic testing and outstanding results obtained since the year 1999 are reviewed. Ultrasonic tests at load ratios other than R = −1, variable amplitude tests, cyclic torsion tests and methods for in situ observation of fatigue damage are described. Advances in testing at very high temperatures or in corrosive environments and experiments with other than bulk metallic materials are summarized. Fundamental studies with copper and duplex steel became possible and allowed new insights into the process of very high cycle fatigue damage. Higher cyclic strength of mild steels measured at ultrasonic frequency because of plastic strain rate effects are described. High‐strength steels and high‐alloy steels are less prone to frequency influences. Environmental effects that can lead to prolonged lifetimes in some aluminium alloys and possible frequency effects in titanium and nickel and their alloys are reviewed.

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