Modeling of microporosity formation and hydrogen concentration evolution during solidification of an Al

Modeling of microporosity formation and hydrogen concentration evolution during solidification of an Al–Si alloy

Zhang Qingyu^{1, 2, †}, Sun Dongke³, Zhang Shunhu¹, Wang Hui⁴, Zhu Mingfang^{2, ‡}

Simulated curves of (a) porosity percentage (f_g) and (b) mean normalized concentration of hydrogen in residue melt ( C¯H ) versus time t and temperature T for different initial hydrogen concentrations C_H0 in the cases of Fig. 5.