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Normas BSI – AENOR
20/30361190 DC

20/30361190 DC

BS ISO 22407. Metallic materials. Fatigue testing. Axial plane bending method

2020-01-13 /Definitive
Equivalencias internacionales:

ISO/DIS 22407


This International Standard specifies the conditions for conducting plane bending fatigue test on axial machine, constant-amplitude, force or displacement controlled, at room temperature (ideally between 10°C and 35°C) on metallic specimens, without deliberately introduced stress concentrations. This International standard does not include reversed/partially loading test. The purpose of test while using this International Standard is to provide relevant results, such as the relation between applied stress and number of cycles to failure for a given material condition, expressed by hardness and microstructure, at various stress ratios.

Although the shape, preparation and testing of specimens of rectangular and beveled cross-section are specified; component testing and other specialized forms of testing are included in this International Standard.


Fatigue tests on notched specimens are not covered by this International Standard since the shape and size of notched test pieces have not been specified in any standard so far. Guidelines are given in Annex A. However, it is permitted to use the fatigue-test procedures described in this standard for testing of such notched specimens.


There is a possibility of getting the results of a fatigue test be affected by atmospheric conditions, and where controlled conditions are required, subclause 2.1 of ISO 554 applies.

Testing, Axial, Planes, Bending, Metals
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