prikaz prve stranice dokumenta Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater
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Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater
In: Mechanical Technologies and Structural Materials 2019 Conference proceedings. Split: Croatian Society For Mechanical Technologies, 2019. pp. 25-31. urn:nbn:hr:115:977236
Dadić, Zvonimir; Gudić, Senka; Vrsalović, Ladislav; Kvrgić, Dario; Ivanić, Ivana; Čatipović, Nikša

Institutional repository: Repository of Faculty of Metallurgy University of Zagreb

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Dadić, Z., Gudić, S., Vrsalović, L., Kvrgić, D., Ivanić, I. & Čatipović, N. (2019). Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater. Mechanical Technologies and Structural Materials 2019 Conference proceedings (pp. 25-31). Split: Croatian Society For Mechanical Technologies. Retrieved from https://urn.nsk.hr/urn:nbn:hr:115:977236

Dadić, Zvonimir, et al. "Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater." Mechanical Technologies and Structural Materials 2019 Conference proceedings, Croatian Society For Mechanical Technologies, 2019, pp. 25-31. https://urn.nsk.hr/urn:nbn:hr:115:977236

Dadić, Zvonimir, Senka Gudić, Ladislav Vrsalović, Dario Kvrgić, Ivana Ivanić and Nikša Čatipović. "Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater." In Mechanical Technologies and Structural Materials 2019 Conference proceedings, 25-31. Split: Croatian Society For Mechanical Technologies, 2019. Accessed 2024 November 26. https://urn.nsk.hr/urn:nbn:hr:115:977236

Dadić, Z., et al. (2019) 'Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater', Mechanical Technologies and Structural Materials 2019 Conference proceedings, Croatian Society For Mechanical Technologies, Split, pp. 25-31. Available at: https://urn.nsk.hr/urn:nbn:hr:115:977236 (Accessed 26 November 2024)

Dadić Z, Gudić S, Vrsalović L, Kvrgić D, Ivanić I, Čatipović N. Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater. Mechanical Technologies and Structural Materials 2019 Conference proceedings. Split: Croatian Society For Mechanical Technologies; 2019. Pp. 25-31. [cited 2024 November 26] Available at: https://urn.nsk.hr/urn:nbn:hr:115:977236

Z. Dadić, S. Gudić, L. Vrsalović, D. Kvrgić, I. Ivanić and N. Čatipović, "Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater", Mechanical Technologies and Structural Materials 2019 Conference proceedings Split: Croatian Society For Mechanical Technologies, 2019. [Online] Available at: https://urn.nsk.hr/urn:nbn:hr:115:977236 [Accessed: 26 November 2024]

Metadata
Title (english)Different corrosion behaviour of CuNi10Fe1Mn alloy condenser tubes in seawater
AuthorZvonimir Dadić
MBZ: 338112
AuthorSenka Gudić
MBZ: 181062
AuthorLadislav Vrsalović
MBZ: 237626
AuthorDario Kvrgić
AuthorIvana Ivanić
MBZ: 335063
AuthorNikša Čatipović
MBZ: 340792
Author's institutionUniversity of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
Author's institutionUniversity of Split
Faculty of Chemistry and Technology
Author's institutionUniversity of Zagreb
Faculty of Metallurgy
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Metallurgy
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Chemical Engineering
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract (english)
Two CuNi10Fe1Mn condenser tube samples from boat heat exchangers were investigated due to their different corrosion behaviour in exploitation. One tube was in exploitation nearly 20 years before significant corrosion damage occurred (sample 1), while second tube of different manufacturer showed corrosion damages in 2 months of exploitation (sample 2). In its working conditions seawater was passing through the pipes and R407C gas around the pipes. Chemical analysis, microstructural and hardness investigations and laboratory electrochemical investigations of corrosion behaviour of samples in sea water were performed in order to determine the main reason for different durability of condenser tubes. After electrochemical investigations the polarization surface damage was verified by SEM analysis. Both samples belong to the CuNi10Fe1Mn alloy system with the significant difference in the mass fraction of iron content (around 30% higher for sample 1). Samples coincide in the structural sense (type and size of grain) and in mechanical properties (hardness of 133 HV1). Fe content in the CuNi10Fe1Mn alloy has the key role in the corrosion behaviour of the tested samples. It has been found that (regardless of the temperature of the heat exchanger) the corrosion resistance of the tested samples increases with increasing Fe content in the alloy. Namely, the corrosion current decreases in same order, while the polarization resistance and properties of surface oxide layer increase. SEM analysis confirmed less damage on the surface of samples with higher Fe content.
Keywords (english)
Languageenglish
Publication typeProfessional paper - Professional paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Publication titleMechanical Technologies and Structural Materials 2019 Conference proceedings
Numberingpp. 25-31
p-ISSN1847-7917
URN:NBNurn:nbn:hr:115:977236
Publication2019
ConferenceTitle: Mechanical technologies and structular materials 2019
Location: Split, Croatia
Start date: 2019-09-26
End date: 2019-09-27
Assembly type: Lecture
Document URLhttp://bib.irb.hr/1023363
Type of resourceText
PublisherCroatian Society For Mechanical Technologies
Publishing placeSplit
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2019-12-16 07:15:49