Solute atom mediated Hall-Petch relations for magnesium binary alloys

The solute atom mediated Hall-Petch relations for Mg-Y, Mg-Al, Mg-Gd and Mg-Zn alloys were reported at an equivalent nominal solute content of 0.35 at.%, namely, the obviously lower Hall-Petch slope k for Mg-Y (220 MPa μ m 1/2) and Mg-Gd (285 MPa μ m 1/2) than that for Mg-Al (324 MPa μ m 1/2) and Mg-Zn (322 MPa μ m 1/2) under compression along the extrusion direction (ED). The addition of Zn or Al forms a strong basal texture, which will lead …