On the phase angle role in the shear response of ZK60 Mg alloys under multiaxial fatigueSeyyed Mohamad Hasan Karparvarfard, Seyed Behzad Behravesh, Sugrib Kumar Shaha and Hamid JahedMATEC Web Conf., 300 (2019) 08005DOI: https://doi.org/10.1051/matecconf/201930008005