Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1998-12-02
2000-11-07
Tudor, Harold J.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73760, 73781, G01N 320
Patent
active
H00019070
ABSTRACT:
Apparatus is disclosed for initiating fatigue related damage on a circumferential surface of a rotatable member resultant from application of a tensile stress condition and a superimposed contact stress condition. The apparatus includes structure for supporting the member for axial rotation, structure for applying a load to the member during the rotation thereof to create a bending moment at a predetermined axial location along the member and a resultant tensile stress condition on a circumferential surface thereof at a corresponding location. The apparatus further includes structure for creating a contact stress on the circumferential surface of the member at the predetermined location.
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Cameron Alastair
Cusac David A.
Hanard, II Marcel R.
Caterpillar Inc.
Glastetter Calvin E.
Ryan Kathleen M.
Tudor Harold J.
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