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ASTM F1160 Shear and Bending Fatigue testing of Coatings for Calcium Phosphate and Metallic

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ASTM F1160 Standard Test Method for Shear and Bending Fatigue Testing of Calcium Phosphate and Metallic Medical and Composite Calcium Phosphate/Metallic Coatings;


Rotating beam fatigue testing generates higher frequencies than traditional high cycle fatigue (HCF) methods. UnitedTest testing services provide critical data about coatings and metallic surface treatments to ISO 1143, ASTM F1160 standards. 


Rotating beam fatigue testing, Shear and Bending Fatigue testing. 

Rotating beam fatigue testing is a mechanical test method used to evaluate the fatigue properties of materials. In this test, a beam specimen is subjected to cyclic loading, which induces repeated bending causing failure over time. The specimen is mounted on a rotating apparatus, which allows for the cyclic load to be applied at constant amplitude and frequency.

During the test, the beam specimen is rotated at a constant speed while a loading force is applied to it. The force causes the beam to bend, and as the beam rotates, it undergoes cyclic bending stress that can induce fatigue failure.

The data generated can be used to design and optimize materials for use in applications where fatigue failure is a concern, such as the Aerospace and Automotive industries.

Shear and bend fatigue testing determines the coating's adhesive or cohesive properties. Bend fatigue testing also provides information on the effects of the coating on the metallic substrate.

ASTM F1160 Shear and Bending Fatigue testing of Coatings for Calcium Phosphate and Metallic

ASTM F1160 Equipment and Sample Preparation

Specimen Details: The ASTM F1160 specimens used are calcium phosphate metallic, or composite coatings containing calcium phosphate and metallic layers.

Specimen dimensions: The acceptable specimen size varies with the testing requirements.

Specimen Preparation: The ASTM F1160 specimens are cleaned and prepared as per requirements.

Related Standard

ISO 1143 Rotating bar bending fatigue test by rotating rod bending

ISO 1143:2021 is a standard for fatigue testing of metal materials by rotating rod bending, which specifies in detail how to design and perform rotating rod bending fatigue tests to evaluate the fatigue performance of metal materials.


Test objective: To evaluate the fatigue performance of metal materials under rotational bending conditions.

Scope of application: Suitable for various metal materials, including steel, aluminum alloys, etc. Testing principle: The specimen is rotated at a specified speed and subjected to bending load on the testing machine until it fractures or reaches the preset number of cycles.

This standard provides a detailed description of the construction and operation methods of testing equipment, including rotary bending testing machines, specimen fixtures, loading systems, and measurement systems.

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