20.500.12556/DKUM-11428 ŠTUDIJA PROTIKOROZIJSKE ZAŠČITE NERJAVNEGA JEKLA "1.4057" z različnimi inhibitorji STUDY OF CORROSION CONTROL OF STAINLESS STEEL "1.4057" with different inhibitors Preučevali smo korozijsko obnašanje nerjavnega jekla W. Nr. 1.4057 v raztopini H2SO4, s koncentracijo, c = 0.075 mol/L, ob dodatkih inhibitorjev različnih koncentracij. Uporabili smo štiri različne inhibitorje (Na3PO4, NaNO2, Na2O7Si3, Na2B4O7) in kombinacijo dveh (NaNO2/Na2B4O7). Poskuse smo opravili z gravimetrično metodo v skladu z ASTM G31 standardom. Določali smo izgubo mase, iz katere smo izračunali hitrost korozije in učinkovitost inhibitorjev. Opravili smo tudi elektrokemijske meritve, ob dodatku inhibitorja NaNO2 različnih koncentracij. Z analizo rezultatov smo ugotovili, da se z večanjem ustrezne koncentracije inhibitorja, zmanjša korozijski proces izbranega jekla. We have studied corrosion behaviour of stainless steel W. Nr. 14057 in a solution of H2SO4, with a concentration, c = 0,075 mol/L, with additions of various concentrations of inhibitors. We used four different inhibitors (Na3PO4, NaNO2, Na2O7Si3, Na2B4O7) and a combination of two ones (NaNO2/Na2B4O7). We performed experiments by the gravimetric method in accordance with ASTM G31 standards. We determine the loss of mass from which we calculate rate of corrosion and effectiveness of corrosion inhibitors. We also perform electrochemical measurements, using inhibitor NaNO2 with different concentrations. By analyzing the results, we found out that with increasing the adequate concentration of inhibitors, the corrosion process of the selected steel is reduced. korozija nerjavno jeklo inhibitorji gravimetrična metoda hitrost korozije učinkovitost inhibitorjev. corrosion stainless steel inhibitors gravimetric method rate of corrosion effectiveness of inhibitors. true true false [I. Vogel] Slovenski jezik Angleški jezik Diplomsko delo 2009-08-24 13:17:31 2009-12-22 09:33:24 2022-04-11 23:50:33 2022-04-18 03:12:00 2009 0 Maribor 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 620.193.4(043.2) 13908502 URN:SI:UM:DK:NQIYZUZU VS_Vogel_Ina_2009.pdf VS_Vogel_Ina_2009.pdf 1 B2C0275DE0F9FE747EA71F2D570568FD 90e76f2a01c49bcdf93b6894fccfa09187410c2768bac301fe0cca62441ed344 1e548cfe-7c03-11eb-bb7a-00155d0001ca 20.500.12556/dkum/78d60621-1365-48b7-81e3-ca0ca6739c8e https://dk.um.si/Dokument.php?lang=slv&id=10568 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0