Study of relationships of surface relief changing of specimens from aluminum-lithium alloys by laser microscopy method

Morozova L.V., Iskhodzhanova I.V.
UDC
669.01
DOI
10.18577/2307-6046-2014-0-10-8-8
Article PDF (Russian) (1.13 MB)
How to cite
Morozova L.V., Iskhodzhanova I.V. Study of relationships of surface relief changing of specimens from aluminum-lithium alloys by laser microscopy method // Proceedings of VIAM. 2014. No. 10. DOI: 10.18577/2307-6046-2014-0-10-8-8. URL: https://test.viam.ru/en/journal/2014/10/8
Abstract

By method of laser scanning confocal microscopy a study of relief changing (surface roughness(Ra), depth of corrosion pittings) of specimens tested under extension till frac-ture both without corrosion environment and under corrosion attack was carried out. 3D-models were drawn up and a quantitative evaluation of surface relief by statistical data processing of roughness, using standard software of LSCM Olympus Lext OLS3100 was carried out. It was shown, that a surface roughness (Ra), as approaching to the fracture location was increasing in 1,5 (for 1441alloy specimens) or in 3 times (for V-1469 alloy specimens) that indicates of more expressed localization of deformation in 1441 alloy.

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