By Brenda J. Little, Jason S. Lee
Microbially stimulated Corrosion offers a robust review of the subject. For engineers and microbiologists new to the subject, it is a tremendous survey. like several monograph that makes an attempt to hide a space of analysis during which new info is turning into on hand, readers who've been protecting present in MIC examine will locate the data a section dated. notwithstanding, the superb tables and photomicrographs do an excellent activity of illustrating MIC strategies should you should not conscious of the variety of results that microbes may have on infrastructure integrity. remedy of a various variety of fabrics - together with concrete and polymer-fiber composites (AKA Fiberglass) - is especially priceless for these folks who spend massive time explaining than MIC of metals is just a part of the story.
The tome is definitely written, and good illustrated.
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Additional resources for Microbiologically Influenced Corrosion
The critical biofilm thickness required to produce anaerobic conditions depends on availability of oxygen and the respiration rates of organisms in the biofilm. The metabolic activity of SRB causes accumulation of sulfide near metal surfaces. Sulfate-reducing bacteria have been the focus of many investigations involving MIC, and several corrosion mechanisms have been attributed to SRB, including cathodic depolarization by the enzyme dehydrogenase, anodic depolarization, production of iron sulfides, release of exopolymers capable of binding metal ions, sulfide-induced stress corrosion cracking, and hydrogen-induced cracking or blistering.
Both high- and low-temperature polytypes of chalcocite (Cu2S), digenite (Cu9S5), djurleite (Cu193S-Cu197S), anilite (Cu7S4), spionkopite (Cu39S28), geerite (Cu8S5), and covellite (CuS, generally blue-remaining) have been reported. In long-term corrosion where waters contain significant iron, chalcopyrite is a common product (Daubree, 1862; de Gouvernain, 1875; McNeil and Mohr, 1993). While chalcopyrite films can be formed abiotically in high sulfur concentrations (Cuthbert, 1962), chalcopyrite and most other copper sulfides are not generally found as products of abiotic corrosion.
Below line (c) metallic silver is stable, except for the wedge-shaped areas pointing down and to the right indicating regions of stability for monoclinic acanthite (Ag2s). The region between the diagonal lines bounding the upper-hatched region approximates the effective oxidizing behavior of near-surface, fully aerated seawater (Garrels and Christ, 1965). Most shallow sea chemistries fall into this region. Conditions in shallow land burials where the major source of groundwater is rain or surface water percolating through soils are near this region.