Effect of Stress Ratio(R) and Stress Concentration Factor (Kt) on Fatigue Properties of WSTi6211 Titanium AlloyHao Fang, Feng Yong, Du Yuxuan, Wang Yue, Xu Enen, Wang Kaixuan and Tian YanwenMATEC Web Conf., 321 (2020) 11065DOI: https://doi.org/10.1051/matecconf/202032111065