Internal-oxidation kinetics of ag-cd alloys
Abstract
The oxidation kinetics of the Ag-Cd alloys with different Cd contents in mass fractions (9.5, 11, 12 and 16) % at (670, 750 and 795) degrees C during the production of Ag-CdO electrical-contact materials was investigated. It was found that the internal oxidation of the investigated Ag-Cd alloys generally follows the parabolic-rate law for all the applied oxidation times (5, 9.5, 20.5, 36 and 48) h. The parabolic-rate-law constant for the measured oxide-thickness gain was evaluated at every examined temperature and the Arrhenius-type equations were determined in order to describe the temperature dependence of the rate constants. Microstructures of the obtained Ag-CdO electrical-contact materials were investigated using a SEM-EDS analysis and the microstructure of a sample produced under the optimum process conditions is illustrated with the corresponding micrographs and chemical compositions.
Keywords:
Ag-Cd oxidation kinetics / internal oxidation / electrical-contact materials / microstructureSource:
Materiali in Tehnologije, 2013, 47, 4, 447-452Publisher:
- Institute of Metals and Technology
Funding / projects:
- Advanced multicomponent metal systems and nanostructured materials with diverse functional properties (RS-172037)
Collections
Institution/Community
IHTMTY - JOUR AU - Balanović, Ljubiša AU - Ćosović, Vladan AU - Talijan, Nadežda M. AU - Živković, Dragana PY - 2013 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/1212 AB - The oxidation kinetics of the Ag-Cd alloys with different Cd contents in mass fractions (9.5, 11, 12 and 16) % at (670, 750 and 795) degrees C during the production of Ag-CdO electrical-contact materials was investigated. It was found that the internal oxidation of the investigated Ag-Cd alloys generally follows the parabolic-rate law for all the applied oxidation times (5, 9.5, 20.5, 36 and 48) h. The parabolic-rate-law constant for the measured oxide-thickness gain was evaluated at every examined temperature and the Arrhenius-type equations were determined in order to describe the temperature dependence of the rate constants. Microstructures of the obtained Ag-CdO electrical-contact materials were investigated using a SEM-EDS analysis and the microstructure of a sample produced under the optimum process conditions is illustrated with the corresponding micrographs and chemical compositions. PB - Institute of Metals and Technology T2 - Materiali in Tehnologije T1 - Internal-oxidation kinetics of ag-cd alloys VL - 47 IS - 4 SP - 447 EP - 452 UR - https://hdl.handle.net/21.15107/rcub_cer_1212 ER -
@article{ author = "Balanović, Ljubiša and Ćosović, Vladan and Talijan, Nadežda M. and Živković, Dragana", year = "2013", abstract = "The oxidation kinetics of the Ag-Cd alloys with different Cd contents in mass fractions (9.5, 11, 12 and 16) % at (670, 750 and 795) degrees C during the production of Ag-CdO electrical-contact materials was investigated. It was found that the internal oxidation of the investigated Ag-Cd alloys generally follows the parabolic-rate law for all the applied oxidation times (5, 9.5, 20.5, 36 and 48) h. The parabolic-rate-law constant for the measured oxide-thickness gain was evaluated at every examined temperature and the Arrhenius-type equations were determined in order to describe the temperature dependence of the rate constants. Microstructures of the obtained Ag-CdO electrical-contact materials were investigated using a SEM-EDS analysis and the microstructure of a sample produced under the optimum process conditions is illustrated with the corresponding micrographs and chemical compositions.", publisher = "Institute of Metals and Technology", journal = "Materiali in Tehnologije", title = "Internal-oxidation kinetics of ag-cd alloys", volume = "47", number = "4", pages = "447-452", url = "https://hdl.handle.net/21.15107/rcub_cer_1212" }
Balanović, L., Ćosović, V., Talijan, N. M.,& Živković, D.. (2013). Internal-oxidation kinetics of ag-cd alloys. in Materiali in Tehnologije Institute of Metals and Technology., 47(4), 447-452. https://hdl.handle.net/21.15107/rcub_cer_1212
Balanović L, Ćosović V, Talijan NM, Živković D. Internal-oxidation kinetics of ag-cd alloys. in Materiali in Tehnologije. 2013;47(4):447-452. https://hdl.handle.net/21.15107/rcub_cer_1212 .
Balanović, Ljubiša, Ćosović, Vladan, Talijan, Nadežda M., Živković, Dragana, "Internal-oxidation kinetics of ag-cd alloys" in Materiali in Tehnologije, 47, no. 4 (2013):447-452, https://hdl.handle.net/21.15107/rcub_cer_1212 .