Final Report - Strategic Environmental Research and Development ...

Figure 5.4.
Figures 5.5.
Apparatus and approach for through-plane water vapor transport
measurement in primers.
(a) Experimental set-up for in-situ measurement of lateral water (vapor)
transport, (b) Tested film specimen configuration.
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212
Figure 5.6. Two-compartment cell for inhibitor transport studies. 213
Figure 5.7 Solubility of calcium silicate at various conditions. 217
Figure 5.8 Predicted calcium speciation in chloride environments. 218
Figure 5.9: Pr speciation in the presence of CO 2 (OLI Stream Analyzer). 220
Figure 5.10. Pourbaix diagram for Ce in the presence of CO 2 . 222
Figure 5.11. Pr speciation in the presence of calcium sulfate (OLI Stream Analyzer). 226
Figure 5.12.
EDXS Inhibitor Mapping of Deft 44GN098 primer before (above) and
after (below) 2000-hour ASTM B117 salt spray test.
226
Figure 5.13. Statistical treatment of inhibitor spatial maps. 227
Figure 5.14.
Figure 5.15.
Figure 5.16.
Figure 5.17.
Figure 5.18.
Element interactions produced in Deft 44GN098 primer by 2000-hour
salt spray test (r 2 analysis)
Element Interactions produced in Deft 44GN098 Primer by 2000-hour
salt spray test (slope analysis).
Distribution of Calcium Silicate produced by Salt Spray Exposure of
Hentzen16708/ 709 Primer.
Through-film association of chlorine and titanium in Hentzen16708/709
primer following salt spray exposure.
Inhibitor maps from Ecotuff® -inhibited primer samples after 1-year
salt spray exposure: inhibitor package including strontium tungstate
(top), without strontium tungstate (bottom).
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228
229
229
230
Figure 5.19. Instability of zinc molybdate in the presence of strontium. 231
Figure 5.20. Through-plane transport of water vapor through primer films. 232
Figure 5.21.
(a) Schematic representation of a tested primer film, (b) Equivalent
circuit model for the film during in-plane water transport.
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