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Electrochemical and pitting corrosion resistance of AISI 4145 steel subjected to massive laser shock peening treatment with different coverage layers.
- Source :
-
Optics & Laser Technology . Feb2017, Vol. 88, p250-262. 13p. - Publication Year :
- 2017
-
Abstract
- The effects of massive laser shock peening (LSP) treatment with different coverage layers on residual stress, pitting morphologies in a standard corrosive solution and electrochemical corrosion resistance of AISI 4145 steel were investigated by pitting corrosion test, potentiodynamic polarisation test, and SEM observations. Results showed massive LSP treatment can effectively cause an obvious improvement of pitting corrosion resistance of AISI 4145 steel, and increased coverage layer can also gradually improve its corrosion resistance. Massive LSP treatment with multiple layers was shown to influence pitting corrosion behaviour in a standard corrosive solution. [ABSTRACT FROM AUTHOR]
- Subjects :
- *PITTING corrosion
*CORROSION resistance
*STEEL
*LASER peening
*RESIDUAL stresses
Subjects
Details
- Language :
- English
- ISSN :
- 00303992
- Volume :
- 88
- Database :
- Academic Search Index
- Journal :
- Optics & Laser Technology
- Publication Type :
- Academic Journal
- Accession number :
- 120146834
- Full Text :
- https://doi.org/10.1016/j.optlastec.2016.09.025