Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution

To study the effect of weld and defects on the corrosion behavior of nickel aluminum bronze (UNS C95810) in 3.5% NaCl solution, the weight loss, X-ray diffraction, optical microscope, scanning electron microscope and electrochemical test of the specimen with weld and defects were investigated. The r...

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Main Authors:	Xu Zhao, Yuhong Qi, Jintao Wang, Tianxiang Peng, Zhanping Zhang, Kejiao Li
Format:	Article
Language:	English
Published:	MDPI AG 2020-09-01
Series:	Metals
Subjects:	nickel aluminum bronze weld defect electrochemical corrosion microstructure
Online Access:	https://www.mdpi.com/2075-4701/10/9/1227

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spelling	doaj-ce2c546e8d3348759642ad5562844e402020-11-25T03:42:23ZengMDPI AGMetals2075-47012020-09-01101227122710.3390/met10091227Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl SolutionXu Zhao0Yuhong Qi1Jintao Wang2Tianxiang Peng3Zhanping Zhang4Kejiao Li5Department of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaDepartment of Materials Science and Engineering, Dalian Maritime University, Dalian 116026, ChinaTo study the effect of weld and defects on the corrosion behavior of nickel aluminum bronze (UNS C95810) in 3.5% NaCl solution, the weight loss, X-ray diffraction, optical microscope, scanning electron microscope and electrochemical test of the specimen with weld and defects were investigated. The results show that the presence of weld and defects increases the corrosion rate of bronze. Weld does not change the structure of the corrosion product film, but defects induce a lack of the protective outermost corrosion product in bronze. Weld makes the corrosion product film in the early stage more porous. Defects always produce an increase in the dissolution rate of the bronze.https://www.mdpi.com/2075-4701/10/9/1227nickel aluminum bronzewelddefectelectrochemical corrosionmicrostructure
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Xu Zhao Yuhong Qi Jintao Wang Tianxiang Peng Zhanping Zhang Kejiao Li
spellingShingle	Xu Zhao Yuhong Qi Jintao Wang Tianxiang Peng Zhanping Zhang Kejiao Li Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution Metals nickel aluminum bronze weld defect electrochemical corrosion microstructure
author_facet	Xu Zhao Yuhong Qi Jintao Wang Tianxiang Peng Zhanping Zhang Kejiao Li
author_sort	Xu Zhao
title	Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution
title_short	Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution
title_full	Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution
title_fullStr	Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution
title_full_unstemmed	Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution
title_sort	effect of weld and surface defects on the corrosion behavior of nickel aluminum bronze in 3.5% nacl solution
publisher	MDPI AG
series	Metals
issn	2075-4701
publishDate	2020-09-01
description	To study the effect of weld and defects on the corrosion behavior of nickel aluminum bronze (UNS C95810) in 3.5% NaCl solution, the weight loss, X-ray diffraction, optical microscope, scanning electron microscope and electrochemical test of the specimen with weld and defects were investigated. The results show that the presence of weld and defects increases the corrosion rate of bronze. Weld does not change the structure of the corrosion product film, but defects induce a lack of the protective outermost corrosion product in bronze. Weld makes the corrosion product film in the early stage more porous. Defects always produce an increase in the dissolution rate of the bronze.
topic	nickel aluminum bronze weld defect electrochemical corrosion microstructure
url	https://www.mdpi.com/2075-4701/10/9/1227
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Effect of Weld and Surface Defects on the Corrosion Behavior of Nickel Aluminum Bronze in 3.5% NaCl Solution

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