Skip to main content
# Table 2 Equilibrium values calculated at 453 K and 101 kPa with the nominal composition given in Table 1. The Al matrix and the precipitate β″ were considered as the only active phases

From: Mixed-mode growth of a multicomponent precipitate in the quasi-steady state regime

Molar fraction of Mg in the precipitate: \( {\boldsymbol{c}}_{\boldsymbol{\beta}, \boldsymbol{Mg}}^{\ast} \) | 0.4545 |

Molar fraction of Si in the precipitate: \( {\boldsymbol{c}}_{\boldsymbol{\beta}, \boldsymbol{Si}}^{\ast} \) | 0.5105 |

Molar fraction of Al in the precipitate: \( {\boldsymbol{c}}_{\boldsymbol{\beta}, \boldsymbol{Al}}^{\ast} \) | 0.0350 |

Molar fraction of Mg in the matrix:\( {\boldsymbol{c}}_{\boldsymbol{eq},\boldsymbol{Mg}}^{\boldsymbol{\infty}} \) | 7.06E-5 |

Molar fraction of Si in the matrix: \( {\boldsymbol{c}}_{\boldsymbol{eq},\boldsymbol{Si}}^{\boldsymbol{\infty}} \) | 8.61E-3 |

Coefficient of diffusion of Mg in the matrix (m^{2}/s)
| 2.01E-19 |

Coefficient of diffusion of Si in the matrix (m^{2}/s)
| 1.35E-19 |

Molar volume of the precipitate (m^{3}/mol)
| 1.048E-5 |