Figure 2.
Laves phase ∆χ versus VEC maps are shown in (a,b), and (c) is the Laves phase ∆χ versus R<Nb>/R<Cr> map. In (a,b,c), the squares are data for NbCr2 (lavender), Nb(Cr,Si)2 (pink), (Nb,Ti)(Cr,Si)2 (blue), (Nb,Ti)(Cr,Si,Al)2 (red), (Nb,Ti)(Cr,Si,Ge)2 (green) and (Nb,Ti)(Cr,Si,Sn)2 (dark orange). In (b,c) the triangles are data for (Nb,Ti)(Cr,Si,Al,Sn)2 and (Nb,Ti,Mo,Hf)(Cr,Si,Al,Sn)2 (light orange), and (Nb,Ti)(Cr,Si,Al,Ge)2 (light green); the diamonds are data for (Nb,Mo)(Cr,Si,Al)2 (yellow), (Nb,Ti,Ta)(Cr,Si,Al)2, (Nb,Ti,Hf)(Cr,Si,Al)2, (Nb,Ti,Mo,Hf)(Cr,Si,Al)2 (red), (Nb,Ti,Hf)(Cr,Si,Ge)2 (light green), (Nb,Hf)(Cr,Si,Sn)2 and (Nb,Ti,Hf)(Cr,Si,Sn)2 (dark orange), (Nb,Ti,Mo,W,Hf)(Cr,Si,Sn)2 (brown). In (a–c) the black triangle represents the Nb–55Cr–15Si Laves phase.