This short communication serves to report the results of fatigue testing which was conducted on single-edge-notched rectangular bar specimens machined from the head of a length of virgin head-hardened heavy haul railway rail, manufactured using an ingot route. An increasing load technique was employed for threshold determination with small positive stress ratio R. The tests resulted in a fatigue threshold of 11.4+/-0.4 MPa m1/2 for R = 0.11. This is slightly lower than the established fatigue threshold for standard carbon raid steel of 12-14 MPa m1/2.


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    Title :

    Mode I fatigue threshold for head hardened rail steel


    Contributors:

    Published in:

    Publication date :

    1998


    Size :

    3 Seiten, 8 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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