Eksperimentalna analiza atmosferske korozije čelika S235JR u industrijskoj sredini Naučni rad
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U ovom radu ispitana je atmosferska korozija konstrukcionog čelika S235JR u industrijskoj sredini. Opšta ispitivanja korozije vršena su u blizini fabrike sumporne kiseline, u postrojenju za elektrolitičku rafinaciju i pored automatske stanice za praćenje kvaliteta vazduha u Boru u periodu od 6 meseci. Za ispitivanje međusobnog dejstva korozije i zagađenja industrijske sredine, korišćen je čelik S235JR, a njegove mehaničke karakteristike su dobijene ispitivanjem zatezanjem. Određeni su i meteorološki parametri, kao i zagađujuće materije u atmosferi (uglavnom SO2). Rendgenska difrakciona analiza (engl. X-ray diffraction, XRD) je korišćena za identifikaciju minerološkog sastava produkata korozije. XRD analiza može ukazati na vezu između gubitka nosivosti i vrste sredine u kojoj se korozija razvija. Na osnovu dobijenih rezultata vrši se dalje predviđanje degradacije materijala usled korozije u industrijski agresivnoj sredini. Istraživanja u okviru ovog rada su omogućila bolje razumevanje ponašanja konstrukcionog čelika S235JR u kom je došlo do redukcije nosivosti usled korozije. Utvrđeno je da su produkti korozije različita jedinjenja u zavisnosti od sadržaja zagađujućih materija u atmosferi i lokacije čeličnih elemenata.
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Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Grant numbers 451-03-66/2024-03/200052;200092;451-03-66/2024-03/200287
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