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Pregled bibliografske jedinice broj: 130866

Jamičasta korozija nehrđajućeg čelika s oksidima nastalim u temperaturnom gradijentu


Alar, Vesna; Esih , ivan; Juraga, Ivan
Jamičasta korozija nehrđajućeg čelika s oksidima nastalim u temperaturnom gradijentu // EUROCORR 2003
Budapest, 2003. (poster, međunarodna recenzija, cjeloviti rad (in extenso), ostalo)


Naslov
Jamičasta korozija nehrđajućeg čelika s oksidima nastalim u temperaturnom gradijentu
(Pitting of stainless steel with oxides formed in temperature gradient)

Autori
Alar, Vesna ; Esih , ivan ; Juraga, Ivan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), ostalo

Izvornik
EUROCORR 2003 / - Budapest, 2003

Skup
EUROCORR 2003

Mjesto i datum
Budapest, Hungary, 28.9. - 2. 10. 2003

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Jamičasta korozija; nehrđajući čelik; oksidi; temperaturni gradient
(Pitting; stainless steel; oxides; temperature gradient)

Sažetak
Oxide layers were prepared on the surface of specimens, made from stainless steel AISI 316L, by heating in temperature gradient. X-ray diffraction analysis was performed in order to determine superficial oxide and metallic phases. The changes of metal grains sizes were determined by optical micrography. From several specimens oxide layers were removed in HNO3 + HF solution. Thereafter, pitting corrosion susceptibility was tested in FeCl3 solution according to ASTM G 48-92. 8 topographic pitting evaluation criteria were determined. In general, the presence of oxide layers affects pitting liability harmfully. The removal of oxides is favourable for several criteria but for some others is ineffective. An attempt to interpret the results is carried out in the Discussion.

Izvorni jezik
Engleski



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