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Effect of shot peening on the strength and corrosion properties of 6082-T651 aluminium alloy [Elektronski vir]Ravnikar, Dunja ; Šturm, Roman, 1965- ; Žagar, Sebastjan, strojnikThis paper investigated the effect of shot peening on the strength and corrosion properties of 6082-T651 aluminium alloy. The microstructure, surface roughness, microhardness, residual stresses, and ... corrosion behaviour were investigated and compared with those of untreated aluminium alloy. Cracks and delaminations in the surface layer could only be seen on the treated specimens at a working pressure of 4 bar and 8 bar, while no such effect was observed at a working pressure of 1.6 bar. The surface roughness was increased more than 15 times after shot peening at a working pressure of 8 bar. Shot peening resulted in an increase in microhardness of 27% and a deeper layer with higher compressive residual stresses compared to the untreated specimens. All treated specimens exhibited improved corrosion resistance with a lower degree of anodic dissolution. The current density of the treated specimen with the lowest surface roughness was more than two-fold lower than that of the untreated specimen.Source: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 16, iss. 14, 2023, str. 1-15)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 158842371
Author
Ravnikar, Dunja |
Šturm, Roman, 1965- |
Žagar, Sebastjan, strojnik
Topics
udarno utrjevanje |
aluminijeva zlitina |
hrapavost površine |
trdota po Vickersu |
zaostale napetosti |
odpornost proti koroziji |
shot peening |
aluminium alloy |
surface roughnes |
Vickers hardness |
residual stresses |
corrosion resistance
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ravnikar, Dunja | 32078 |
Šturm, Roman, 1965- | 13026 |
Žagar, Sebastjan, strojnik | 30568 |
Source: Personal bibliographies
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