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FME Transactions
2012, vol. 40, br. 3, str. 145-151
jezik rada: engleski
vrsta rada: neklasifikovan

Korozija topa 75/27, model 1911. deport iz kolekcije Vojnog muzeja u Beogradu
aInstitut Goša, Beograd
bCentral Institute for Conservation, Belgrade
cUniverzitet u Beogradu, Građevinski fakultet

e-adresa: borejegdic@yahoo.com

Projekat

Istraživanje i optimizacija tehnoloških i funkcionalnih performansi ventilacionog mlina termoelektrane Kostolac B (MPNTR - 34028)

Sažetak

U ovom radu analizirano je stanje francuskog topa 75/27 model 1911 Déport izrađenog od čelika. Za određivanje količine nekorodiralog materijala, prisustva prslina i drugih defekata u eksponatu korišćena je radiografska metoda. Sastav korozionih produkata je analiziran metodom difrakcije rendgenskih zraka (XRD). Pored getita, α-FeO(OH), lepidokrokita, γ-FeO(OH) i magnetita, Fe3O4, na eksponatima je uočeno prisustvo akaganita koje ukazuje na aktivnu koroziju osnovnog metala. Metodom jonske hromatografije je određen sadržaj hloridnih i drugih anjona u korozionim produktima. Na osnovu izvedenih eksperimenata nameće se zaključak o neophodnosti tretmana topa u odgovarajućim rastvorima što je moguće pre u cilju uklanjanja hloridnih i drugih koroziono aktivnih jona.

Ključne reči

corrosion; akaganeite; XRD method; radiography; ion chromatography

Reference

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