Can Dynamic Bubble Templating Play a Role in Corrosion Product Morphology?
- EPA
Dynamic templating as a result of cathodic hydrogen gas production is suggested as a possible mechanism for the formation of tube-like corrosion products on an unlined cast iron pipe in a drinking water distribution system. Mounds of corrosion product, with protruding tubes and freestanding tubes, were observed within a single 30 cm section of piping. Internal morphologies for all shapes were texturally complex although mineralogically simple, composed of two iron oxide/oxyhydroxides minerals: {alpha}-FeOOH (goethite) and Fe{sub 3}O{sub 4} (magnetite). Static templating by either microorganisms or minerals was rejected as a possible mechanism for tube formation in this study.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- DOE - BASIC ENERGY SCIENCES
- OSTI ID:
- 1036894
- Journal Information:
- Corros. Sci., Vol. 68, Issue (2) ; 2012; ISSN 0010-9312
- Country of Publication:
- United States
- Language:
- ENGLISH
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OSTI ID:1036894