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Title:PROUČEVANJE KOROZIJSKE ODPORNOSTI RAZLIČNIH NERJAVNIH JEKEL V KISLEM MEDIJU OB PREPIHOVANJU S CO2 IN N2
Authors:ID Juvan, Janez (Author)
ID Goršek, Andreja (Mentor) More about this mentor... New window
Files:.pdf VS_Juvan_Janez_2011.pdf (622,62 KB)
MD5: 190F06D4308DCF7A808BBB74B0D3BA5B
PID: 20.500.12556/dkum/cf4ec2fe-b39f-498c-831f-47656f6a5d46
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:PROUČEVANJE KOROZIJSKE ODPORNOSTI RAZLIČNIH NERJAVNIH JEKEL V KISLEM MEDIJU OB PREPIHOVANJU S CO2 IN N2 Povzetek V diplomskem delu je opisan eksperimentalni postopek merjenja korozije nerjavnih jekel v kislem mediju H2SO4. Izbrane vzorce jekel smo v paralelnih meritvah potapljali v kislino ter po določenih časovnih intervalih določali izgubo mase posameznega jekla. Prav tako smo poskuse izvajali v kislini z različnimi koncentracijami ter dodatno študirali vpliv prepihovanja s CO2 in N2. Rezultati meritev so pokazali, da korozija poteka različno glede na koncentracijo izbranega medija, kakor tudi glede na prepihovanje z različnimi plini. Prepihovanje korodirnega medija s plini načeloma upočasnjuje korozijo nerjavnih jekel. V našem primeru smo ugotovili, da gravimetrična metoda določanja izgube mase za kratek čas izvajanja poskusov ni najbolj primerna.
Keywords:Ključne besede: korozija, korozijska odpornost jekel, gravimetrična metoda, določanje hitrosti korozije, prepihovanje, plini N2 in CO2
Place of publishing:Maribor
Publisher:[J. Juvan]
Year of publishing:2011
PID:20.500.12556/DKUM-17590 New window
UDC:620.193.4(043.2)
COBISS.SI-ID:15140118 New window
NUK URN:URN:SI:UM:DK:LPJX6FIU
Publication date in DKUM:01.03.2011
Views:2345
Downloads:480
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:ANALYSIS OF CORROSION RESISTIVITY OF DIFFERENT STAINLESS STEELS IN ACID MEDIUM BLOWN WITH CO2 AND N2
Abstract:STUDY OF CORROSION RESISTANCE OF DIFFERENT STAINLESS STEELS IN SULFURIC ACID AT AERATING WITH CARBON DIOXIDE AND NITROGEN Abstract: In this diploma work an experimental procedure of measuring the corrosion of stainless steels in acid solution H2CO4 is described. In parallel measures we immersed selected samples of steels into acid and by defined time intervals we defined loss of mass of individual steel. We also performed experiments in acid with different concentrations and additionally studied an influence of aerating with CO2 and N2. It is evident from the results that corrosion goes differently regarding to concentration of selected acid solution and also regarding to aerating with different gasses. Generally, aerating of corroded solution with gasses reduces corrosion of stainless steels. In our case we found out, that gravimetric method for mass loss determination is not the best one in the case when short corrosion times are studied.
Keywords:corrosion, corrosion resistance of steels, gravimetric method, defining the speed of corrosion, aerating, gasses N2 and CO2.


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