Corrosion and inhibition studies on AISI 316 with AISI 410 fiber laser welded joints

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Bulletin of the Chemical Society of Ethiopia Pub Date : 2024-03-12 DOI:10.4314/bcse.v38i3.20

Sathish Rengarajan, A. Sathish Kumar, R. Ashok Kumar

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Abstract

In this investigation, the corrosion study was conducted on fiber laser welded joints of AISI 410 and 316L stainless steel plates using hydrochloric acid, basic, and salt medium, behavior in three different pH. The effects of three different corrosive atmospheres were examined using the weight loss method. The test sample which was exposed to 1 N hydrochloric acid medium for 48 Hours resulted in 0.006 g of weight loss. The maximum amount of corrosion was found in the acidic medium whereas the least was observed in the salt medium. The effectiveness of three distinct derivatives of 1H-indole-2,3-dione, each replaced with hydroxyl groups in various positions, in inhibiting corrosion. Among the three derivatives examined, it was observed that those with ortho and para hydroxyl group substitutions exhibited superior inhibitory properties. KEY WORDS: Fiber laser welding, Traverse speed, Corrosion study, Isatin Schiff base, Inhibitors Bull. Chem. Soc. Ethiop. 2024, 38(3), 811-823. DOI: https://dx.doi.org/10.4314/bcse.v38i3.20

查看原文本刊更多论文

AISI 316 与 AISI 410 光纤激光焊接接头的腐蚀和抑制研究

在这项研究中，使用盐酸、碱性和盐介质对 AISI 410 和 316L 不锈钢板的光纤激光焊接接头进行了腐蚀研究。使用失重法检测了三种不同腐蚀环境的影响。在 1 N 盐酸介质中暴露 48 小时的测试样品的重量损失为 0.006 克。酸性介质中的腐蚀量最大，而盐性介质中的腐蚀量最小。1H -吲哚-2,3-二酮的三种不同衍生物（每种衍生物在不同位置都被羟基取代）在抑制腐蚀方面的效果。在所研究的三种衍生物中，正羟基和对羟基取代的衍生物表现出更优越的抑制特性。关键词：光纤激光焊接、移动速度、腐蚀研究、Isatin 希夫碱、抑制剂 Bull.Chem.Soc.2024, 38(3), 811-823. DOI: https://dx.doi.org/10.4314/bcse.v38i3.20

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.