Observation of fretting fatigue cracks by micro-computed-tomography using ultrabright synchrotron radiation

Yoshikazu Nakai; Daiki Shiozawa; Takayuki Kurimura; Kentaro Kajiwara

doi:10.1117/12.851541

14 April 2010 Observation of fretting fatigue cracks by micro-computed-tomography using ultrabright synchrotron radiation

Yoshikazu Nakai, Daiki Shiozawa, Takayuki Kurimura, Kentaro Kajiwara

Author Affiliations +

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75224B (2010) https://doi.org/10.1117/12.851541
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

Micro computed-tomography (μCT) using ultrabright synchrotron radiation was applied to observe the shape of fretting fatigue cracks in a titanium alloy. Three dimensional shape and coalescence of fretting fatigue cracks could be observed, and the shapes of the cracks obtained by the imaging agreed well with that obtained by the stereogram analysis of fracture surface using scanning electron microscopy. Transition of crack propagation mode inside specimen in fretting fatigue also could be observed nondestructively.

Citation Download Citation

Yoshikazu Nakai, Daiki Shiozawa, Takayuki Kurimura, and Kentaro Kajiwara "Observation of fretting fatigue cracks by micro-computed-tomography using ultrabright synchrotron radiation", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75224B (14 April 2010); https://doi.org/10.1117/12.851541

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