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

IF 8.7 2区工程技术 Q1 CHEMISTRY, PHYSICAL

Progress in Surface Science Pub Date : 2020-08-01 DOI:10.1016/j.progsurf.2020.100594

Madjid Sarvghad, Theodore A. Steinberg, Geoffrey Will

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引用次数: 2

Abstract

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.

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扫描开尔文探针力显微镜作为冷轧对比定量和可视化表面对原电池敏感性的手段;与中子衍射和EBSD相比较

采用高分辨率中子衍射(HRND)、电子背散射衍射(EBSD)和扫描开尔文探针力显微镜(SKPFM)技术对比表征了冷轧和展开(退火)条件下Inconel 690和不锈钢316L合金的表面电学性能。结果表明，晶格缺陷密度(HRND和EBSD测量)与表面电位的非均匀性(SKPFM测量)之间存在直接关系。利用获得的数据的相应直方图的伏特电位映射和反褶积来可视化和比较量化晶格缺陷，并估计微/纳米原电池形成的表面敏感性。SKPFM被认为是一种可靠的替代电子和中子散射技术，用于合金表面能量状态的比较评估。

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来源期刊

Progress in Surface Science 工程技术-物理：凝聚态物理

CiteScore

11.30

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Progress in Surface Science publishes progress reports and review articles by invited authors of international stature. The papers are aimed at surface scientists and cover various aspects of surface science. Papers in the new section Progress Highlights, are more concise and general at the same time, and are aimed at all scientists. Because of the transdisciplinary nature of surface science, topics are chosen for their timeliness from across the wide spectrum of scientific and engineering subjects. The journal strives to promote the exchange of ideas between surface scientists in the various areas. Authors are encouraged to write articles that are of relevance and interest to both established surface scientists and newcomers in the field.