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2013, vol. 54, iss. 2, pp. 125-129
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Investigation of the inhibitors effect on the corrosion behavior of austenitic manganese steel castings in aqueous solutions
Ispitivanje efekta inhibitora na koroziono ponašanje austenitnog manganskog čeličnog liva u vodenim rastvorima
aMetalurško-tehnološki fakultet, Podgorica, Crna Gora
bFarmaceutski fakultet, Podgorica, Crna Gora
Abstract
Production of spare parts for mills and crushers as an indispensable material is austenitic manganese steel casting. In the course of this material is subjected to abrasive wear and impact load. In addition to the application of austenitic manganese steels can be used as materials in aqueous corrosive environment conditions. Abrasive wear is often increased by the presence of corrosive materials, among which counts water, since the corrosion effects are much more pronounced mechanical removal of material. Corrosion products usually have a low resistance to abrasion. Practice has shown that the wear rate of coating mills for wet grinding of cement is much higher compared to the rate of wear of lining dry milling. The aim of this paper was to investigate the influence of different inhibitors on the corrosion behavior of austenitic manganese steel, which is composed of different relationships aluminum and molybdenum. The results will show the effect of the used inhibitors.
Sažetak
Za izradu rezervnih djelova mlinova i drobilica kao nezamjenljiv materijal koristi se austenitni manganski čelični liv. U toku rada ovaj materijal je izložen abrazivnom habanju i udarnom opterećenju. Osim ove primjene austenitno manganski čelici mogu biti korišćeni i kao materijali u uslovima vodene korozione sredine. Abrazivno habanje je često uvećano prisustvom korozionih materijala, među kojima se može ubrajati i voda, obzirom da je djelovanje korozije znatno izraženije mehaničkim odnošenjem materijala. Najčešće proizvodi korozije imaju malu otpornost na habanje. Iz prakse je poznato da je brzina habanja obloga kod mlinova za mokro mljevenje cementa mnogo veća u odnosu na brzinu habanja obloga kod suvog mljevenja. Cilj ovog rada je da pokaže uticaj različitih inhibatora na koroziono ponašanje austenitnog manganskog čeličnog liva, koji u svom sastavu ima različit odnos aluminijuma i molibdena. Dobijeni rezultati će pokazati efekat korišćenih inhibitora.
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