Search Results for types of corrosion

Fig. 5 Alloy 625 overlay on the waterwall revealing typical pitting type corrosion attack More

Fig. 37 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller's reagent. 500× More

Fig. 37 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller’s reagent. Original More

Fig. 10 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller’s reagent. Original More

Fig. 7 Various types of intergranular corrosion. (a) Interdendritic corrosion in a cast structure. (b) Interfragmentary corrosion in a wrought, unrecrystallized structure. (c) Intergranular corrosion in a recrystallized wrought structure. All etched with Keller's reagent. Original More

Fig. 7 Corrosion of three types of steels in an industrial atmosphere. Shaded areas indicate range for individual specimens. More

Fig. 64 Schematic diagrams showing three types of corrosion fatigue behavior. Source: A. McEvily and R. Wei, Fracture Mechanics and Corrosion Fatigue, Proceeding—International Conference on Corrosion Fatigue, NACE, 1971, p 381–395 More

Fig. 9 Anaerobic digester types. Courtesy of Corrosion Probe, Inc. More

Fig. 8 Types of sustained hot corrosion of a pure metal. Site I is the oxide-salt interface, and site II is the salt-gas interface. Source: Ref 15 More

Fig. 13 General types of tests related to stress-corrosion cracking (SCC), hydrogen embrittlement, and corrosion fatigue. (a) Smooth specimen SCC testing for determination of a stress threshold, σ th . (b) Slow-strain-rate (SSR) testing for strain-rate controlled evaluation of σ th and time More

Fig. 6 Corrosion loss of zinc plates exposed for five years in different types of atmospheres under sheltered and unsheltered conditions. Source: Ref 21 More

Fig. 1 Various types of high-temperature corrosion attack as a function of temperature for (a) chromia-forming alloys and (b) alumina-forming alloys. Corrosion rates are given in arbitrary units (a.u). More

Fig. 19 Localized corrosion of asbestos-gasketed flanged joints in a type 304 stainless steel piping system. (a) Single remaining biodeposit adjacent to resulting corrosion on the flange. Numerous other similar deposits were dislodged in opening the joint. (b) Closeup of gouging-type corrosion More

Fig. 22 Schematic diagram of shipboard engine corrosion rates of type I and type II hot corrosion versus temperature in a marine environment compared with the Arrhenius oxidation rate versus temperature. LTHC, low-temperature hot corrosion; HTHC, high-temperature hot corrosion. Courtesy of U.S More

Fig. 38 Corrosion pits and stress-corrosion cracking in type 316 stainless steel evaporator tubes. (a) View of the rust-stained and pitted area near the top of the evaporator tube. A myriad of fine, irregular cracks is discernible visually, although it is not clear in the photograph. (b) View More

Fig. 14 Corrosion resistance of selected metal finishes relative to type of phosphate coating applied. (a) Black stain. (b) Corrosion-preventing oil. (c) Black stain and oil. Source: Ref 7 More

Fig. 3 External stress-corrosion cracking of a type 304 stainless steel, 100 mm (4 in.) schedule 40 pipe. The piping system was insulated with calcium silicate insulation and operated at temperatures between 50 and 100 °C (120 and 212 °F). More

Fig. 2 Effect of hexavalent Cr 6+ contamination on the corrosion rate of type 304 stainless steel in HNO 3 . Source: Ref 4 More

Fig. 8 Laboratory corrosion rates of type 316 stainless steel (S31600) in acetic-acid/acetic-anhydride mixtures More

Fig. 11 Corrosion rates for type 304 stainless steel and carbon steel in static anhydrous hydrogen fluoride vapor. Type 304 corrosion rates are erratic above 100 °C (210 °F). More