Observation of Flaking Process in Rolling Contact Fatigue by Laminography Using Ultra-bright Synchrotron RadiationYoshikazu Nakai, Daiki Shiozawa, Shoichi Kikuch, Hitoshi Saito, Takashi Nishina, Taizo Makino and Yutaka NeishiMATEC Web Conf., 165 (2018) 11002DOI: https://doi.org/10.1051/matecconf/201816511002