Considerations on the Study of the Mechanism of Delamination of a Steel Plate Reinforced with Carbon Nanotubes during the Pull-Out Test

Q3 Engineering Russian Engineering Research Pub Date : 2024-06-26 DOI:10.3103/s1068798x24700928
G. I. Kriven’, E. S. Senina, D. S. Shavelkin
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Abstract

The study investigates the process of delamination of a steel plate from the matrix during the pull-out test. Experimental results are obtained for two types of specimens—unreinforced and reinforced steel plates. The reinforced plate is coated with a thin layer of carbon nanotubes on one of its surfaces. The results of the experiment reveal that the load under which the reinforced plate delaminates from the matrix block is over 150% greater than that value for the unreinforced plate. The load-displacement curves demonstrate several characteristic phases preceding complete delamination—elastic strain phase, fracture phase, and friction sliding phase. Considerations on determining the interfacial strength, as well as effective properties of the reinforced plate and catastrophic delamination lengths, are presented.

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对碳纳米管增强钢板在拉拔试验中分层机理研究的思考
摘要 本研究探讨了钢板在拉拔试验过程中与基体分层的过程。实验结果针对两种类型的试样--未加固钢板和加固钢板。加固钢板的一个表面涂有一薄层碳纳米管。实验结果表明,加固钢板从基体块脱落的荷载比未加固钢板的荷载大 150%以上。载荷-位移曲线显示了完全脱层之前的几个特征阶段--弹性应变阶段、断裂阶段和摩擦滑动阶段。本文介绍了在确定界面强度、增强板的有效特性和灾难性分层长度方面的考虑因素。
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来源期刊
Russian Engineering Research
Russian Engineering Research Engineering-Industrial and Manufacturing Engineering
CiteScore
1.20
自引率
0.00%
发文量
226
期刊介绍: Russian Engineering Research is a journal that publishes articles on mechanical and production engineering. The journal covers the development of different branches of mechanical engineering, new technologies, and tools for machine and materials design. Emphasis is on operations research and production-line layout, industrial robots and manipulators, quality control and process engineering, kinematic analysis of machine assemblies, and computerized integrated manufacturing systems.
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