A laboratory study of the effect of NO2 on the atmospheric corrosion of zinc

Castaño, Juan G.; Fuente, Daniel de la; Morcillo, M.

doi:10.1016/j.atmosenv.2007.07.022

Cited by 25 publications

(35 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…• C and showed that simonkolleite, (Zn 5 (OH) 8 Cl 2 · H 2 O), was the dominant corrosion product. In addition, traces of hydrozincite, Zn 5 (CO 3 ) 2 (OH) 6 , and another zinc hydroxy carbonate, Zn 4 (CO 3 )(OH) 6 H 2 O were detected.…”

Section: Gravimetric Measurements-mentioning

confidence: 99%

“…[5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] • C. Lowering the exposure temperature to −4…”

Section: Gravimetric Measurements-mentioning

confidence: 99%

“…Svensson et al 36 reported an inverse temperaturedependence for the atmospheric corrosion of Zn in the presence of traces of SO 2 in the range [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] • C, the highest corrosion rate being registered at the lowest temperature. According to Henriksen et al,37 Zn suffered corrosion in an outdoor environment (the northern parts of Norway) at temperatures well below 0…”

mentioning

confidence: 99%

“…When zinc is exposed to the atmosphere in the presence of chloride, the main corrosion products are reported to be simonkolleite (Zn 5 (OH) 8 Cl 2 H 2 O) and hydrozincite (Zn 5 (CO 3 ) 2 (OH) 6 ). [14][15][16][17][18] Zinc hydroxy sulfates, e.g., ZnSO 4 3Zn(OH) 2 · 4H 2 O, often occur in environments containing traces of SO 2 .…”

mentioning

confidence: 99%

“…Also, rolled Zn (<1% Cu), die-cast Zn-Al (4% Al), and brass (Cu + 20-40% Zn) have numerous applications in e.g., infrastructure and engineering sectors, [1][2][3][4] where environmental degradation is often an issue. Thus, Zn corrosion has been studied by means of atmospheric corrosion exposures in the field, [5][6][7] and in the laboratory, [8][9][10] as well as, in the presence of an aqueous media using droplets, 11,12 and bulk electrolyte exposures. 13 Various aspects of Zn corrosion have been studied in the works cited above and other reports.…”

mentioning

confidence: 99%

See 4 more Smart Citations

Evidence for an Unusual Temperature Dependence of the Atmospheric Corrosion of Zinc

Esmaily

Mortazavi

Svensson

et al. 2016

J. Electrochem. Soc.

View full text Add to dashboard Cite

The atmospheric corrosion behavior of zinc in the presence of NaCl has been investigated using well-controlled laboratory exposures in 95% RH air at ten different temperatures in the range −4 to 22 • C. Results show that a critical temperature (∼ −0.5 • C) exists in zinc corrosion above which the rate of corrosion is constant/independent of temperature, and, below which there is a positive correlation between temperature and corrosion rate. The corrosion products formed above and below −0.5 • C are also entirely different. While simonkolleite, hydrozincite and zinc carbonate hydroxide are the main corrosion products at T ≥ −0.5 • C, the same compounds are absent at T < −0.5 • C. Instead, sodium zinc carbonate (Na 2 Zn 3 (CO 3 ) 4 .3H 2 O) is the dominant corrosion product at low temperature, together with Na 2 ZnCl 4 · 3H 2 O and sweetite (Zn(OH) 2 ). The results are interpreted in terms of two distinct corrosion modes prevailing at "high" and "low" temperature, respectively.

show abstract

Section: Gravimetric Measurements-mentioning

confidence: 99%

“…[5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] • C. Lowering the exposure temperature to −4…”

Section: Gravimetric Measurements-mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Evidence for an Unusual Temperature Dependence of the Atmospheric Corrosion of Zinc

Esmaily

Mortazavi

Svensson

et al. 2016

J. Electrochem. Soc.

View full text Add to dashboard Cite

show abstract

Atmospheric corrosion patterns of electrogalvanized mild steel at east southern coastal areas of CPEC

Jamil

Bano

Castaño

et al. 2018

Materials & Corrosion

View full text Add to dashboard Cite

The primary goal of the study was to establish corrosivity category in accordance with ISO 9223 norm of the two test stations located at National Institute of Oceanography (NIO) and Karachi Port Trust (KPT) along the east southern coastal route of China Pakistan Economic Corridor (CPEC) project in Pakistan. Electrogalvanized mild steel test coupons were exposed for a period of 12 months from May 2014 to May 2015. Results indicated that for both NIO and KPT test stations the corrosivity category in term of corrosion rate (C5+) was not in agreement with the corrosivity category (C5) established by using the pollution category and time of wetness. Corrosion kinetic parameters n and correlation coefficient (R2) obtained for NIO were 1.58 and 0.98 and for KPT 1.43 and 0.95 respectively. Scanning electron microscopy/energy dispersive X‐ray spectroscopy (SEM/EDS) showed the presence of simonkolleite at NIO while zincite and hydrozincite at KPT. Fourier transform infrared (FTIR) spectroscopy showed that the typical corrosion products formed on both test stations were simonkolleite and hydrozincite. XRD showed the presence of zincite at both test stations and hydrozincite only at KPT.

show abstract

Atmospheric corrosion kinetics and dynamics of electrogalvanized mild steel in southeastern coastal area of China–Pakistan Economic Corridor

Jamil

Bano

Castaño

et al. 2020

Materials & Corrosion

View full text Add to dashboard Cite

This study aims to examine atmospheric corrosivity, corrodants, and corrosion products of southeastern coastal area of China–Pakistan Economic Corridor as per ISO protocols 9223 and 9225, and ASTM standards G1, G50, G140‐02, D4458‐94, and D2010. Test sites are located at National Institute of Oceanography (NIO) and Karachi Port Trust (KPT) at the banks of the Arabian Sea. Electrogalvanized mild steel test coupons were exposed, and levels of corrodants (sulfur dioxide, chloride, and time of wetness) were measured for a period of 24 months, from May 2014 to May 2016. Corrosivity category C5+ is established in terms of the corrosion rate for both NIO and KPT test stations, which does not coincide with the corrosivity category C5 ascertained by employing environmental characteristics and atmospheric corrodants. Corrosion kinetic parameter “n” and correlation coefficient (R2) are 0.71 and 0.97 for NIO and 0.96 and 0.97 for KPT, respectively. Scanning electron microscopy/energy‐dispersive spectroscopy, Fourier‐transform infrared spectroscopy, and X‐ray diffraction spectroscopy have corroborated the presence of simonkolleite and hydrozincite, zinc oxide, zinc hydroxychloride, and zinc in corrosion products at both test sites.

show abstract

A laboratory study of the effect of NO2 on the atmospheric corrosion of zinc

Cited by 25 publications

References 30 publications

Evidence for an Unusual Temperature Dependence of the Atmospheric Corrosion of Zinc

Evidence for an Unusual Temperature Dependence of the Atmospheric Corrosion of Zinc

Atmospheric corrosion patterns of electrogalvanized mild steel at east southern coastal areas of CPEC

Atmospheric corrosion kinetics and dynamics of electrogalvanized mild steel in southeastern coastal area of China–Pakistan Economic Corridor

Contact Info

Product

Resources

About