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Table 2 PF widths, contact angles, and thermodynamic parameters for various systems

From: Formation Mechanism of Precursor Films at High Temperatures: A Review

Metal/Metal system [64] θe (°) Width λ
(kJ/mol)
\(\varepsilon_{Zr - sub}^{*}\)
(kJ/mol)
Zr55Cu30Al10Ni5/Ta
at 1113–1213 K
0 2 mm 11 − 1317
Zr55Cu30Al10Ni5/Nb
at 1113–1213 K
2–3 1 mm 4 − 1259
Zr55Cu30Al10Ni5/Mo*
at 1113–1213 K
4–7 500 μm − 25 − 1215
Zr55Cu30Al10Ni5/W
at 1123–1173 K
4–11 ~100 μm − 36.5 − 1416
Zr55Cu30Al10Ni5/Fe
at 1113–1213 K
14–24 0 − 101.5 − 1015
Metal/Ceramic system θe (°) Width \(\Delta G_r^0(1\space{\text{mol}})\)
(kJ/mol)
 
Zr55Cu30Al10Ni5/ZrO2 [64]
at 1133–1473 K
46–83 0 0  
Zr55Cu30Al10Ni5/Y2O3 [64] 30–41 0 0  
Zr55Cu30Al10Ni5/SiO2 [64]
at 1133–1253 K
32–50 0 0  
Zr55Cu30Al10Ni5/SiC [64]
at 1133–1253 K
3 0 0  
Zr55Cu30Al10Ni5/B4C [64]
at 1133–1253 K
30 0 − 180.610  
Zr55Cu30Al10Ni5/TiC [64]
at 1133–1253 K
10–14 0 − 8.053  
Zr55Cu30Al10Ni5/WC# [64]
at 1133–1253 K
11–19 <100 μm − 75.457  
Zr55Cu30Al10Ni5/Al2O3 [64]
at 1133–1193 K
0 >100 μm − 5.869  
Zr55Cu30Al10Ni5/ZrC [70] 0 ~2 mm 0  
Zr50Cu40Al10/ZrC [70] 2 ~1 mm  
Zr50Cu50/ZrC [70] 14 0  
  1. *PF appearance only at an experimental temperature of 1113 K; #PF above the ZrC reaction layer