Table 2 Crystal structure and misfit of ternary compounds related to Si.
From: Eutectic modification by ternary compound cluster formation in Al-Si alloys
Space group | Lattice parameters | d-spacing (nm) | Misfit δ % | Si structure | ||
|---|---|---|---|---|---|---|
a,b (nm) | c (nm) | |||||
Si | Fd-3m (227) | 0.543 | 0.543 | d(110) = 0.384 | — | — |
Al2Si2Sr63 | P-3m1 (164) | 0.418 | 0.743 | d(0002) = 0.372 | −3.36 | Coral |
AlSiNa64 | P4/nmmO2 (129) | 0.414 | 0.738 | d(002) = 0.369 | −4.07 | Coral |
Al 2 Si 2 Eu 33 | P-3m1 (164) | 0.418 | 0.726 | d(0002) = 0.363 | −5.79 | Coral |
Al2Si2Ca63 | P-3m1 (164) | 0.413 | 0.715 | d(0002) = 0.358 | −7.41 | Mixed |
Al2Si2Ba65 | I4/mmm (139) | 0.423 | 0.698 | d(0002) = 0.349 | −10.03 | Mixed |
Al 2 Si 2 Yb 33 | P-3m1 (164) | 0.414 | 0.695 | d(0002) = 0.348 | −10.50 | Refined plates |
Al2Si2Y66 | P-3m1 (164) | 0.418 | 0.656 | d(0002) = 0.328 | −17.07 | Refined plates |
