While certain progress has been achieved in the development of different techniques for residual stress measurement, a considerable effort is still required to develop efficient and cost-effective methods of residual stress measurement and analysis. A new ultrasonic computerized complex UltraMARS was developed recently that can be used for non-destructive measurement of applied and residual stresses in laboratory samples and real parts and structural elements in many applications for a wide range of materials. The system was used in measurements of residual stresses in the rim of a railway wheel that was in service without intensive drag braking. The measurements showed that depth of compressive hoop stresses is 26mm from the rolling surface with a maximum value of −60 MPa. Similar measurements of residual stresses in the rim of railway wheel with intensive drag braking showed that the hoop residual stresses in rolling surface layers are tensile.


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    Title :

    Non-destructive measurement of residual stresses in railway wheels by ultrasonic method


    Contributors:


    Publication date :

    2016-11-01


    Size :

    2204632 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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