Dealloying behavior of Mn-30Cu alloy in acetic acid solution

被引：18
|
作者：
An, Shenshen [1 ]
Zhang, Shichao [1 ]
Liu, Wenbo [1 ,2 ]
Fang, Hua [1 ]
Zhang, Mulin [1 ]
Yu, Yuan [1 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[2] Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Peoples R China
来源：
CORROSION SCIENCE | 2013年 / 75卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Alloy; Copper; XRD; SEM; De-alloying; Acid corrosion; MONOLITHIC NANOPOROUS COPPER; PORE-SIZE DISTRIBUTIONS; MG-CU ALLOYS; EVOLUTION; MICROSTRUCTURE; FABRICATION; RIBBONS;
D O I：
10.1016/j.corsci.2013.06.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dealloying behavior of single-phase Mn-30Cu sheets in acetic acid solutions with varying concentrations ranging from 1 vol.% to 60 vol.% and morphological evolution of nanoporosity have been investigated. The results show that the concentration of acetic acid solution has a key influence on the dealloying process and microstructure of nanoporous copper. It can be well explained as a consequence of the competition between association and ionization of acetic acid molecules. Additionally, the formation rate of porous structure in organic acid solution is remarkably lower than that in inorganic acid due to the limited H+ concentration from the competitive effect. (c) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：256 / 261
页数：6
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