Fig 1.
Sample compositions and isopleth sections (A: xCu: xLi = 0.5; B: xCu: xSn = 0.5; C: xLi: xSn = 0.5; D: xSn = 0.1; E: xLi = 0.1; F: xCu = 0.1; G: xSn = 0.2; H: xLi = 0.2; I: xCu = 0.2).
Table 1.
Heat treatment and quenched phases of Cu-Li-Sn samples at annealing temperatures.
Table 2.
DTA results of all samples.
Fig 2.
Isopleth A.
Fig 3.
Isopleth B including section from xLi = 0.05–0.20 / T = 184–192°C.
Fig 4.
Isopleth C including both sections from xCu = 0–0.18 / T = 300–600°C and xCu = 0.18–0.30 / T = 100–300°C.
Fig 5.
Isopleth D including section from xLi = 0–0.10 / T = 300–600°C.
Fig 6.
Isopleth E including section from xSn = 0.10–0.30 / T = 400–800°C.
Fig 7.
Isopleth F including section from xSn = 0.20–0.40 / T = 400–800°C.
Fig 8.
Isopleth G including section from xLi = 0–0.20 / T = 500–800°C.
Fig 9.
Isopleth H.
Fig 10.
Isopleth I including sections from xSn = 0.20–0.35 / T = 600–800°C and xSn = 0.25–0.40 / T = 400–600°C.
Fig 11.
Liquidus projection including section of Li-rich corner.
Table 3.
Invariant ternary reactions: Temperatures and reactions in dotted and italic lines are approximated.
Table 4.
Invariant reactions of the binary subsystems.
Table 5.
Three-phase equilibria in Cu-Li-Sn directly derived from experiments.
Fig 12.
Reaction scheme T < 400°C.
Fig 13.
Reaction scheme T = 400–600°C.
Fig 14.
Reaction scheme T > 600°C.