Figure 4. Wetting behavior in Al/coating/Al2O3 system. (a-top) A comparison between Cr-42Si-9W monolithic substrate and Al2O3 substrate coated with thin films (~1.2 mm) of Cr-42Si-9W and the effect of coating materials (NiCoP, CoP, Ti, and Cr-42Si-9W) on wettability at (b-bottom) 953 K and (c-middle) 1,023 K.251
 

Figure 4a

Figure 4b
Figure 4c

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This figure is a component of the on-line article "Wettability, Spreading, and Interfacial Phenomena in High-Temperature Coatings", which appears in the January 2000 Issue of JOM-e.