Scanning Kelvin Probe Force Microscopy as a means for comparative quantification of cold-rolling and visualizing the surface susceptibility to galvanic cells; compared to neutron diffraction and EBSD

Madjid Sarvghad; Theodore A. Steinberg; Geoffrey Will

doi:10.1016/j.progsurf.2020.100594

$Scanning Kelvin Probe Force Microscopy as a means for comparative quantification of cold-rolling and visualizing the surface susceptibility to galvanic cells; compared to neutron diffraction and EBSD$

Journal article

Peer reviewed

Scanning Kelvin Probe Force Microscopy as a means for comparative quantification of cold-rolling and visualizing the surface susceptibility to galvanic cells; compared to neutron diffraction and EBSD

Madjid Sarvghad, Theodore A. Steinberg and Geoffrey Will

Progress in Surface Science, Vol.95(3), pp.1-11

2020

DOI: https://doi.org/10.1016/j.progsurf.2020.100594

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Abstract

atomic force microscopy (AFM)

Kelvin probe microscopy

neutron diffraction

electron backscatter diffraction (EBSD) lattice defects

Volta potential

High-Resolution Neutron Diffraction (HRND), Electron Back-Scatter Diffraction (EBSD) and Scanning Kelvin Probe Force Microscopy (SKPFM) techniques were used to comparatively characterize the surface electrical properties of Inconel 690 and stainless steel 316L alloys in cold -rolled and unrolled (annealed) conditions. Results indicated that a direct relation exists between the density of lattice defects (measured by HRND and EBSD) and heterogeneity of surface potential (measured by SKPFM). Mapping of the Volta potential and deconvolution of the corresponding histogram plots of the acquired data were utilized to visualize and comparatively quantify crystal lattice defects and estimate the surface susceptibility to the formation of micro/ nano-galvanic cells. SKPFM was found as a reliable alternative to electron and neutron scattering techniques for comparative evaluation of energy states on alloys' surfaces.

Details

Title: Scanning Kelvin Probe Force Microscopy as a means for comparative quantification of cold-rolling and visualizing the surface susceptibility to galvanic cells; compared to neutron diffraction and EBSD
Authors: Madjid Sarvghad (Corresponding Author) - Queensland University of Technology
Theodore A. Steinberg (Author) - Queensland University of Technology
Geoffrey Will (Author) - Queensland University of Technology
Publication details: Progress in Surface Science, Vol.95(3), pp.1-11
Publisher: Elsevier Ltd
DOI: 10.1016/j.progsurf.2020.100594
ISSN: 1878-4240
Grant note: Queensland University of Technology (QUT) Australian Institute of Nuclear Science and Engineering (AINSE Ltd)
Organisation Unit: School of Science, Technology and Engineering
Language: English
Record Identifier: 99737993502621
Output Type: Journal article

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