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A SEM/EDXA study on the chemical attack of aqueous NaOH/KOH solutions on the surface of the metal-metalloid glass (Fe, Cr)80 (P, C, Si)20 and Fe75Cr5P8C10Si2, respectively

Title:
A SEM/EDXA study on the chemical attack of aqueous NaOH/KOH solutions on the surface of the metal-metalloid glass (Fe, Cr)80 (P, C, Si)20 and Fe75Cr5P8C10Si2, respectively
Abstract:
After a treatment of the metal-metalloid glassy alloy (Fe, Cr)80 (P, C, Si)20 and Fe75Cr5P8C10Si2, respectively, by aqueous alkaline solutions of 1.0M NaOH + 1.0M KOH and 2.5M NaOH + 2.5M KOH, respectively, a SEM/EDXA study of the glass surface was performed. The results of the accelerated ageing procedure demonstrate that the glass treated with the 1.0M NaOH + 1.0M KOH solution at room temperature (20 °C) is characterized by a surface state like that of the initial material. For the glass treatment with the 2.5M NaOH + 2.5M KOH solution at 20 °C the surface layer shows a different morphology and is thicker. It can be supposed that the reinforcing property is reduced. The glass treatment at 80 °C with the aqueous solutions 1.0M and 2.5M (NaOH + KOH), respectively, leads to surface layers of different morphology and such a layer is about 5 μm thick. The strength of solid residue of such a treated glass is very low.
Year:
1997
Publication type:
Journal article
Journal:
Microchimica Acta
ISSN:
0026-3672
Number:
1-4
Volume:
125
Pages:
407-413
Language:
English
Document status:
Published
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/1130
Keywords:
scanning electron microscopy (SEM), energy dispersive x-ray analysis (EDXA), metal-metalloid glassy alloy of chemical composition (Fe, Cr)80 (P, C, Si)20, accelerated ageing procedure aqueous alkaline environment of mixed NaOH + KOH
Forkel, K., Born, D., Wihsmann, F., & Stodolski, R. (1997). A SEM/EDXA study on the chemical attack of aqueous NaOH/KOH solutions on the surface of the metal-metalloid glass (Fe, Cr)80 (P, C, Si)20 and Fe75Cr5P8C10Si2, respectively Microchimica Acta. 125 (1-4), 407-413.
@article{1130,
    author           = {Forkel, Klaus and Born, Dietrich and Wihsmann, Fred Gustav and Stodolski, Roland},
    title            = {A SEM/EDXA study on the chemical attack of aqueous NaOH/KOH solutions on the surface of the metal-metalloid glass (Fe, Cr)80 (P, C, Si)20 and Fe75Cr5P8C10Si2, respectively},
    journal          = {Microchimica Acta},
    year             = {1997},
    volume           = {125},
    number           = {1-4},
    pages            = {407-413},
    doi              = {10.1007/BF01246219},
}


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