Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 161, Issue 1, Pages D44-D47Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.039401jes
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This study presents a multifractal approach to characterize the structural complexity of 3D surface roughness of electrodeposited Ni-P (10.65 at% P) coatings thermally treated at three temperatures (400 degrees C, 500 degrees C and 600 degrees C), obtained with atomic force microscopy (AFM) analysis. 3D surface roughness was studied in air (ex-situ), on square areas of 2.5 mu m x 2.5 mu m. The singularity spectrum f(alpha) provided quantitative values data to characterize the local scale properties of Ni-P coatings surface geometry at nanometer scale. The results showed that the Ni-P coatings (10.6 at% P) that were thermally treated at 500 degrees C possessed the best surface finish. Multifractal analysis provides different yet complementary information to that offered by traditional surface statistical parameters. (C) 2013 The Electrochemical Society.
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