Corrosion resistance of structural metals depending on the sample orientation and initial exposure conditions in coastal and rural atmospheres. Part 1. Corrosivity toward structural metals at coastal and rural test sites under various exposure conditions

IF 1.5 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
Yu. M. Panchenko, A. Marshakov, L. Nikolaeva, T. Igonin
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引用次数: 0

Abstract

ABSTRACT Four 1-year tests of metal samples (carbon steel, zinc, copper, aluminum, and D16 alloy) were carried out at locations with coastal and rural atmospheres to determine corrosion losses and the rate of chloride deposition ([Cl-]) on the upper and lower sample sides. [Cl-] were determined for different orientations relative to the sea winds on coastal sites. A methodology for testing metal samples is presented and the values of the first-year corrosion losses of metals (C1) are reported. It is shown that the corrosion of metals is significantly affected by the season of when the samples are installed. The atmosphere corrosivity under each conditions of sample exposure is estimated by the C1 values calculated using the developed dose-response functions (DRFs). It has been shown that the DRFs can be used to predict C1 and estimate the atmosphere corrosivity categories at locations with various types of atmosphere and under various exposure conditions.
结构金属的耐腐蚀性取决于沿海和农村大气中的样品方向和初始暴露条件。第1部分。不同暴露条件下沿海和农村试验场对结构金属的腐蚀性
在沿海和农村大气环境下,对金属样品(碳钢、锌、铜、铝和D16合金)进行了为期一年的四次测试,以确定腐蚀损失和样品上下两侧氯离子沉积([Cl-])的速率。[Cl-]在不同的方向上相对于沿海地区的海风测定。提出了一种测试金属样品的方法,并报告了金属(C1)第一年腐蚀损失的值。结果表明,试样安装时的季节对金属的腐蚀有显著影响。利用开发的剂量响应函数(DRFs)计算C1值,估计样品暴露在每种条件下的大气腐蚀性。结果表明,在不同的大气类型和不同的暴露条件下,DRFs可以用来预测C1和估计大气腐蚀等级。
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来源期刊
Corrosion Engineering, Science and Technology
Corrosion Engineering, Science and Technology 工程技术-材料科学:综合
CiteScore
3.20
自引率
5.60%
发文量
58
审稿时长
3.4 months
期刊介绍: Corrosion Engineering, Science and Technology provides broad international coverage of research and practice in corrosion processes and corrosion control. Peer-reviewed contributions address all aspects of corrosion engineering and corrosion science; there is strong emphasis on effective design and materials selection to combat corrosion and the journal carries failure case studies to further knowledge in these areas.
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