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[I-74] Effect of Fatigue Test Conditions on the Stress Reduction of the Semicircular Notch Method

*Koyo Takata¹, Kengo Mori¹, Koichi Sugioka¹, Syuji Yamamoto², Shinsuke Akamatsu², Naoki Matsumoto³, Toshiyuki Ishikawa³ (1. Hanshin Expressway, 2. Hanshin Expressway Research Institute for Advanced Technology, 3. Kansai University)

Keywords:Fatigue crack, semicircular notch method, FEM, stress concentration