在深度共晶溶剂中通过热扩散涂层Me5Zn8（Me=Ag，Cu）的脱合金在银和铜表面上形成纳米多孔层

IF 2.4 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS

Surface Engineering Pub Date : 2023-02-01 DOI:10.1080/02670844.2023.2203440

A. I. Kondina, D. Rozhentsev, N. Shurov, N. Tkachev

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引用次数: 0

摘要

摘要预镀锌表面的选择性阳极溶解用于在铜和银样品上获得约10微米厚的纳米多孔层。为了实现Cu5Zn8和Ag5Zn8的单相均匀热扩散层，我们使用了在熔融共晶（KCl–NaCl–ZnCl2）中以Т = 370°С。这些涂层在深共晶溶剂（氯化胆碱/尿素）中的脱合金 + 0.1 mol/l ZnCl2）在T = 133°C产生了典型的孔和韧带的双连续结构（100 nm）。图形摘要

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Formation of a nanoporous layer on the surface of silver and copper by dealloying of thermal diffusion coatings Me5Zn8 (Me=Ag, Cu) in a deep eutectic solvent

ABSTRACT Selective anodic dissolution of pre-galvanized surfaces was used to obtain nano-porous layers of approximately 10 microns thick on copper and silver specimens. To achieve single-phase homogeneous thermal diffusion layers of Cu5Zn8 and Ag5Zn8, we used a zinc plating process carried out in molten eutectic (KCl–NaCl–ZnCl2) at Т = 370°С. Dealloying of these coatings in a deep eutectic solvent (choline chloride/urea + 0.1 mol/l ZnCl2) at T = 133°C produced a typical bi-continuous structure of pores and ligaments (100 nm) on the surface of the silver and the copper. GRAPHICAL ABSTRACT

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来源期刊

Surface Engineering 工程技术-材料科学：膜

CiteScore

5.60

自引率

14.30%

发文量

审稿时长

2.3 months

期刊介绍： Surface Engineering provides a forum for the publication of refereed material on both the theory and practice of this important enabling technology, embracing science, technology and engineering. Coverage includes design, surface modification technologies and process control, and the characterisation and properties of the final system or component, including quality control and non-destructive examination.