Development and Characterization of Silicon Nitride and Synthesized Graphene Oxide Reinforced Cu/GO/xSi3N4 Composites

IF 2.8 3区材料科学 Q3 CHEMISTRY, PHYSICAL Silicon Pub Date : 2024-11-06 DOI:10.1007/s12633-024-03192-5

N. Kalidas, P. M. Gopal, V. Kavimani

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Abstract

The intent of the proposed research is to analyze the effect of Silicon Nitride (Si₃N₄) and synthesized Graphene Oxide (GO) on the physical, wear and corrosive characteristics of the copper. The copper hybrid composite having constant GO and varying weight % of Si₃N₄ is prepared through powder metallurgy. The GO is synthesized from graphite through modified hummers method and its formation is confirmed through SEM, XRD, Raman and FTIR analysis. The SEM analysis of developed Cu/0.3rGO/xSi₃N₄ confirms the presence of reinforcements and density analysis confirms the reduction density. The microhardness is found increasing with GO and Si₃N₄ addition. Wear rate of the copper found decreases with reinforcement addition due to self-lubricating nature of GO and hardness of Si₃N₄ ceramic. Worn surface confirms the transition of severe wear to mild wear with Si₃N₄ addition. The corrosion results suggest that the composite reinforced with 0.3% GO and 15% Si₃N₄ yielded better corrosion resistance than the other developed composites. Corroded surface analysis confirms the reduction in surface damage with reinforcement addition that shows increase in corrosion resistance of copper with hybrid reinforcement addition.

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氮化硅和合成氧化石墨烯增强Cu/GO/xSi3N4复合材料的研制与表征

本研究的目的是分析氮化硅（Si3N4）和合成氧化石墨烯（GO）对铜的物理、磨损和腐蚀特性的影响。采用粉末冶金法制备了氧化石墨烯恒定、氮化硅含量变化的铜杂化复合材料。以石墨为原料，采用改进hummers法合成了氧化石墨烯，并通过SEM、XRD、Raman和FTIR分析证实了氧化石墨烯的形成。Cu/0.3rGO/xSi3N4的SEM分析证实了增强的存在，密度分析证实了还原密度的存在。显微硬度随氧化石墨烯和氮化硅的加入而增加。由于氧化石墨烯的自润滑特性和Si3N4陶瓷的硬度，铜的磨损率随着增强剂的加入而降低。随着氮化硅的加入，磨损表面由重度磨损向轻度磨损转变。腐蚀结果表明，添加0.3%氧化石墨烯和15%氮化硅的复合材料具有较好的耐蚀性。腐蚀表面分析证实，加筋可以减少表面损伤，表明混合加筋可以提高铜的耐蚀性。

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来源期刊

Silicon CHEMISTRY, PHYSICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.90

自引率

20.60%

发文量

685

审稿时长

>12 weeks

期刊介绍： The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.