Table 2 Comparison of melting temperature (Tm), solidus temperature (Ts), Liquidus temperature (TL), pasty range (ΔT), and fusion enthalpy of fusion (ΔH) for plain and composite solder systems.

From: Enhancing sustainability in soldering: effects of recycled welding slag and rice husk ash on microstructural, thermal, and mechanical properties of Sn–Cu composite solders

Alloy

Tm (°C)

Ts (°C)

TL (°C)

ΔT = TL-Ts (°C)

ΔH (Mw·°C)

Normalized ΔH factor

S0

226.10

216.29

238.41

22.12

561.65

1.00

S1

224.65

214.41

238.55

24.14

521.45

0.93

S2

225.44

214.75

238.22

23.47

349.75

0.62

S3

227.54

217.20

238.93

21.73

597.97

1.07

S4

227.68

214.37

241.41

27.04

605.19

1.08

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