高钨含量Ni-W合金镀层的内应力

IF 2.4 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS

Surface Engineering Pub Date : 2023-06-03 DOI:10.1080/02670844.2023.2257855

Yingjun Xu, Deyong Wang, Minqi Sheng, Huihua Wang

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引用次数: 0

摘要

摘要本文研究了电流密度对柠檬酸盐电沉积Ni-W合金显微组织、成分和内应力的影响。通过XRD、SEM、EDS、TEM和XPS分析发现，在Ni-W FCC(111)取向结构中，钨作为溶质存在。增大电流密度可提高钨含量和电流效率。2-丁烯-1,4-二醇的加入改变了碳含量，通过促进晶界附近碳化物的形成显著降低了内应力，从而防止了氢逸出时涂层的收缩。这种碳富集提高了合金的耐腐蚀性。关键词:电沉积ni - w合金内应力碳含量高钨含量纳米晶非晶材料电化学腐蚀披露声明作者未报告潜在利益冲突。本研究由国家自然科学基金资助:[批准号52174280];江苏省科技支撑计划项目[批准号:SYG202022]。

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Internal stress of high tungsten content Ni-W alloy coatings

ABSTRACTThis study investigates the impact of current density on the microstructure, composition, and internal stress of Ni-W alloys electrodeposited in a citrate system. Using XRD, SEM, EDS, TEM, and XPS, it was found that tungsten serves as a solute in a Ni-W FCC structure oriented in the (111) direction. Increasing current density led to higher tungsten content and current efficiency. The addition of 2-Butyne-1,4-diol altered the carbon content, significantly reducing internal stress by promoting carbide formation near grain boundaries, which prevented coating shrinkage during hydrogen escape. This carbon enrichment improved the alloy's corrosion resistance.KEYWORDS: ElectrodepositionNi-W alloyinternal stresscarbon contenthigh tungsten contentnanocrystallineAmorphous materialsElectrochemical corrosion Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was supported by National Natural Science Foundation of China: [Grant Number 52174280]; Science and Technology Support Program of Jiangsu Province: [Grant Number SYG202022].

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来源期刊

Surface Engineering 工程技术-材料科学：膜

CiteScore

5.60

自引率

14.30%

发文量

审稿时长

2.3 months

期刊介绍： Surface Engineering provides a forum for the publication of refereed material on both the theory and practice of this important enabling technology, embracing science, technology and engineering. Coverage includes design, surface modification technologies and process control, and the characterisation and properties of the final system or component, including quality control and non-destructive examination.