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Anil Patnaik

Damage initiation

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A Study Of Cyclic Fatigue, Damage Initiation, Damage Propagation, And Fracture Of Welded Titanium Alloy Plate, Tirumalai Srivatsan, Udaykar Bathini, Anil Patnaik, T. Quick Aug 2015

A Study Of Cyclic Fatigue, Damage Initiation, Damage Propagation, And Fracture Of Welded Titanium Alloy Plate, Tirumalai Srivatsan, Udaykar Bathini, Anil Patnaik, T. Quick

Anil Patnaik

In this paper, the influence of test specimen orientation and microstructure on cyclic stress-amplitude controlled fatigue response, damage initiation, damage propagation and fracture behavior of samples taken from a welded plate of titanium alloy is presented and discussed. Test specimens from the chosen alloy were prepared from an as-welded plate of the material with the stress axis both parallel (longitudinal) and perpendicular (transverse) to the deformed (rolling) direction of the plate. The test specimens were cyclically deformed at different values of maximum stress at a constant load ratio of 0.1, and the resultant cycles-to-failure was recorded. The fracture surfaces ...