Novel CuxFeMnNiSnTi high entropy alloys: Microstructure, surface chemistry, and corrosion resistance

被引：2

作者：

da Silva, Leandro Santos ^{[1
]}

Ferreira, Tiago Luiz ^{[1
]}

Lopes de Oliveira, Mara Cristina ^{[2
]}

Antunes, Renato Altobelli ^{[2
]}

Galdino da Silva, Ricardo Alexandre ^{[1
]}

机构：

[1] Univ Fed Sao Paulo UNIFESP, Inst Ciencias Ambientais Quim & Farmaceut ICAQF, BR-09910720 Diadema, SP, Brazil

[2] Univ Fed ABC UFABC, Ctr Engn Modelagem & Ciencias Sociais Aplicadas C, BR-09210580 Santo Andre, SP, Brazil

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 26卷

基金：

巴西圣保罗研究基金会;

关键词：

FeMnNiSnTi high entropy alloy; Copper addition; Corrosion; Microstructure; Surface chemistry; GLASS-FORMING ABILITY; CU ADDITION; BEHAVIOR; COATINGS; FILM; CHLORIDE; STEEL;

D O I：

10.1016/j.jmrt.2023.08.229

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CuxFeMnNiSnTi alloys were prepared by electric arc melting. The microstructure was examined by scanning electron microscopy and the crystalline phases were assessed by X-ray diffractometry. The composition of the surface oxide film was analyzed by X-ray photoelectron spectroscopy. The corrosion resistance was studied by electrochemical impedance spectroscopy and potentiodynamic polarization. Depending on the copper content, the microstructures were comprised of (Cu,Mn,Ni)3Sn, Ti(Ni,Fe)2Sn, and (Fe,Mn)2Ti. The oxide films consisted of a complex mixture of different oxide phases. The corrosion resistance was affected by the copper content and was mainly influenced by the alloy microstructure than the composition of the oxide film.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页码：5409 / 5424

页数：16

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