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Cover Picture: Laser Surface Modification of a Crystalline Al‐Co‐Ce Alloy for Enhanced Corrosion Resistance (Adv. Eng. Mater. 9/2005)
Author(s) -
Hoekstra J. G.,
Qadri S. B.,
Scully J. R.,
FitzGerald J. M.
Publication year - 2005
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200590017
Subject(s) - materials science , corrosion , alloy , amorphous metal , amorphous solid , layer (electronics) , metal , laser , metallurgy , surface layer , composite material , surface (topology) , optics , crystallography , chemistry , physics , geometry , mathematics
The cover shows secondary electron images of corroded laser surface modified Al 84 Co 7.5 Ce 8.5 . It is clear that a large portion of the LSM surface layers remain, leading to speculation that the corrosion is preferentially occurring at cracks in the sample surface. More on this topic can be found in the article by J. G. Hoekstra et al. on page 805. The surfaces of Al‐Co‐Ce bulk crystalline alloys have been successfully laser processed resulting in amorphous‐like surface layer formation with enhanced corrosion characteristics. The material system, Al 84 Co 7.5 Ce 8.5 , is one of several next generation alloy compositions scientifically designed to form a metallic glass under the proper processing conditions. This material system exhibits both local composition changes and enhanced corrosion resistance in comparison to their native counterparts.