Figure 8
From: Formation Mechanism of Precursor Films at High Temperatures: A Review
(a) Top view of macroscopic appearance for Cu-20Sn-1Cr/Cgraphite after wetting, (b) Cross-sectional interfacial microstructures at close of triple line, (c) Top view of details at close of triple line, (d) Detailed microstructures of PF in (c), (e) microstructures at close of triple line and (e-1) Top view of macroscopic appearance for half of Cu-50Sn-1Cr/Cgraphite sample, (f) image of drop for surface tension evaluation