A two-parameter analysis of surface fatigue crack growth behavior of fine-grained WC-Co cemented carbide at different stress ratiosHiroko Mikado, Sotomi Ishihara, Noriyasu Oguma and Shingo KawamuraMATEC Web Conf., 165 (2018) 07009DOI: https://doi.org/10.1051/matecconf/201816507009