Many products and material components, some of which are used in aviation and automotive industries, require fatigue and endurance testing data prior to being used as intended.

Innovative Test Solutions is ISO/IEC 17025 accredited to perform high cycle fatigue (HCF) and low cycle fatigue (LCF) testing to ASTM standards E606 and E466 from -320 degrees Fahrenheit to 2,000 degrees Fahrenheit.

Fatigue testing methods are utilized to characterize material properties and/or component behavior during the fatigue testing procedure.  

Our fatigue testing procedure is one of the most crucial elements of research and development, product safety, and material component verification programs. 

Importance of the Fatigue Testing Procedure 

Fatigue testing measures how cyclic forces will impact a product or material over the course of time.  

Using varying loads, speeds, and environmental conditions to monitor material behavior, fatigue testing machines simulate real-world behaviors and scenarios.  

In many applications, materials are subjected to oscillating forces. The materials tested behave differently under these conditions as compared to a static load.  

Because of this, engineers are faced with predicting the fatigue life of the material. Fatigue life can be defined as the total number of cycles to failure under specified loading conditions.

How is Fatigue Testing Performed? 

Fatigue testing is typically performed using servo-hydraulic testing machines.  

ITS has over 30 digitally controlled Servo-Hydraulic Test Frames. Our frames are outfitted with a state-of-the-art fixturing and data acquisition system.

While a portion of fatigue tests are performed to plot stress against the number of cycles it takes for the item or material to fail, fatigue tests can also be used to simulate specific scenarios to assist with investigating real-world failures.

Scenarios include, but are not limited to, testing engine airfoil and gas turbine components to determine the expected life of the material.

ITS customizes methodologies and procedures for each specific product and material to ensure the highest-quality result is achieved.

Low Cycle Fatigue Testing Services

Low cycle fatigue (LCF) typically tests the material at low frequency in conjunction with large loads/strains. Stress levels are usually above the yield strength of the material.

Components are subjected to mechanical cyclic plastic strains, which cause fatigue failure within a short number of cycles.

ITS provides low cycle fatigue tests in accordance with industry specifications, including ASTM standards.

High Cycle Fatigue Testing Services

High cycle fatigue (HCF) achieves a large number of cycles with stress levels typically below the yield strength of the material. The tests are typically force-controlled and can run through one million cycles or more.

During high cycle fatigue testing, samples will experience a range of frequencies that are dependent upon material types and environmental conditions. ITS will continue to test the specimen until a predetermined number of cycles or if specimen failure occurs

For more information regarding fatigue testing and testing to ASTM standards, please request a quote today. 

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