利用反距离插值技术绘制印度东南部钢铁大气腐蚀图

IF 1.1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Pub Date : 2024-05-22 DOI:10.5006/4535

J. Daniel Ronald Joseph, M. Ashok

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引用次数: 0

摘要

钢筋混凝土和钢结构构件会过早退化并失去强度，这主要是由于腐蚀造成的。腐蚀是一种电化学现象，其严重程度取决于多种环境因素。有关钢材腐蚀的实验数据对于提高民用基础设施使用寿命的工程决策非常重要。文献中没有关于印度沿海环境下大气钢腐蚀的最新数据集，因此本研究试图填补部分文献空白。本文介绍了为确定暴露在实际沿海和内陆地区一年的 TMT、高铬钢 (CRS) 和不锈钢螺纹钢的腐蚀速率而进行的实验研究。研究地点位于印度泰米尔纳德邦东南部。在第一年腐蚀率的基础上，根据 ISO 9224 建议确定了长期暴露（10 年）后的腐蚀率。使用反距离插值技术绘制了泰米尔纳德邦大气钢腐蚀图。微观结构研究表明，在沿海地区采集的锈蚀产物中形成了鳞片钙钛矿（γ-FeOOH）相组成。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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MAPPING OF ATMOSPHERIC CORROSION OF STEEL IN SOUTHEAST INDIA USING INVERSE DISTANCE INTERPOLATION TECHNIQUE

Reinforced concrete and steel structural elements undergo premature degradation and lose strength primarily due to corrosion. Corrosion is an electrochemical phenomenon and its severity depends on number of environmental factors. Experimental data on corrosion of steel is important for making engineering decisions towards improving the service life of civil infrastructures. No recent dataset on atmospheric steel corrosion under Indian coastal environment is found to be available in the literature, and hence this research attempts to address some of the literature gap. This paper presents experimental study conducted to determine the corrosion rate of TMT, high-chromium steel (CRS) and stainless steel rebars exposed in actual coastal and inland regions for a period of one year. The site locations were located in southeastern parts of Tamilnadu state in India. Based on the first-year corrosion rate, the corrosion rate after extended exposure (10-years) was determined based on ISO 9224 recommendations. Atmospheric steel corrosion map of Tamilnadu state was developed using inverse distance interpolation technique. Microstructural studies indicated the formation of lepidocrocite (γ-FeOOH) phase composition in the rust products collected from coastal region.

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来源期刊

Corrosion MATERIALS SCIENCE, MULTIDISCIPLINARY-METALLURGY & METALLURGICAL ENGINEERING

CiteScore

2.80

自引率

12.50%

发文量

审稿时长

3 months

期刊介绍： CORROSION is the premier research journal featuring peer-reviewed technical articles from the world’s top researchers and provides a permanent record of progress in the science and technology of corrosion prevention and control. The scope of the journal includes the latest developments in areas of corrosion metallurgy, mechanisms, predictors, cracking (sulfide stress, stress corrosion, hydrogen-induced), passivation, and CO2 corrosion. 70+ years and over 7,100 peer-reviewed articles with advances in corrosion science and engineering have been published in CORROSION. The journal publishes seven article types – original articles, invited critical reviews, technical notes, corrosion communications fast-tracked for rapid publication, special research topic issues, research letters of yearly annual conference student poster sessions, and scientific investigations of field corrosion processes. CORROSION, the Journal of Science and Engineering, serves as an important communication platform for academics, researchers, technical libraries, and universities. Articles considered for CORROSION should have significant permanent value and should accomplish at least one of the following objectives: • Contribute awareness of corrosion phenomena, • Advance understanding of fundamental process, and/or • Further the knowledge of techniques and practices used to reduce corrosion.