The corrosion behavior of amorphous NiCrP alloys in concentrated hydrofluoric acid
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Cited by (27)
Electrochemical noise and impedance study on the corrosion of electroplated Ni-Cr coatings in HBF<inf>4</inf> aqueous solution
2020, Journal of Electroanalytical ChemistryCitation Excerpt :The corrosion mechanisms, especially in very active environments such as fluoride-containing media, which provide the conditions of both uniform and localized corrosion, have been rarely studied. For example, Zhang et al. [9,10] reported the effect of Cr and P content on the corrosion resistance of amorphous Ni-Cr-P alloys in 47% HF solution and clarified that the corrosion rate of Ni-Cr-19P alloys with 15 at. % or more Cr was decreased up to 2–7×10−3 mm y−1.
Evaluation of Ni-Cr-P coatings electrodeposited on low carbon steel bipolar plates for polymer electrolyte membrane fuel cell
2018, International Journal of Hydrogen EnergyCitation Excerpt :To the best of our knowledge, similar work on BPPs has not been reported thus far. The corrosion properties of bulk Ni–Cr–P alloy have already been evaluated, and the results showed that the chromium present in the bulk alloy forms a stable oxide on the surface, while the phosphorus increases its amorphicity [62–64]. Both of these effects decelerate the corrosion rate of the alloy in acidic media.
Passivity characteristics on Ni(Cr)(Fe)SiB glassy alloys in phosphate solution
2014, Journal of Saudi Chemical SocietyCitation Excerpt :The oxyhydroxides formation may occur due to the following reactions: The average thickness of hydrated chromium oxyhydroxide film on alloy II and III was calculated using Eq. (7), assumed ε to be 30 F m−1 (Hashimoto, 1983a, 1983b; Mitsuhashi et al., 1987; Zhang et al., 1992a,b; Gray et al., 2006; Hashimoto et al., 2007). The average oxide thickness (d) values formed on alloy II and III are calculated at different concentrations of H3PO4 and listed in Table 4.
Electrochemical behavior of non-precious dental alloys in bleaching agents
2004, Electrochimica ActaThe filtering medium properties of electro-less plated metallic glasses
2004, Materials Science and Engineering: ACitation Excerpt :The effect of the Cr addition on the corrosion resistance has been confirmed in the metallic glasses [3–5]. It has been found that metallic glasses containing Cr possess extremely high corrosion resistance to HCl or HF solutions [6,7]. However, it is extremely difficult to achieve good corrosion resistance without degradation of the soft magnetic property for the magnetic filtering media.