基于流变模型的冲击微压痕法评价沥青保温材料性能

IF 2.1 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Mechanics of Time-Dependent Materials Pub Date : 2025-01-30 DOI:10.1007/s11043-025-09763-2

Alexander Kren, Alexander Machikhin

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引用次数: 0

摘要

我们解决沥青绝缘材料的无损检测。提出了一种新的原位监测方法。它是基于单冲击微压痕。为了描述沥青涂层的应变过程，我们分析了Maxwell和Voigt流变模型。实验表明，麦克斯韦模型很适合这一任务。测量了涂层刚度系数随环境温度的变化。研究表明，基于微压痕的方法是评估绝缘老化的有效方法。通过热老化实验和实测验证了该方法的适用性。

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Evaluation of properties in bitumen insulation by impact microindentation on the base of rheological models

We address a non-destructive testing of bitumen insulations. A new approach to its in situ monitoring is proposed. It is based on single impact microindentation. To describe the straining process of a bitumen coating, we analyzed Maxwell and Voigt rheological models. It is shown experimentally that Maxwell model suits well for this task. Temporal changes of the rigidity coefficient in the coating depending on the ambient temperature were measured. It has been established that microindentation-based method is effective for the assessment of the insulation aging. Thermal aging experiments and measurements were carried out to confirm the applicability of the proposed approach.

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来源期刊

Mechanics of Time-Dependent Materials 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

8.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mechanics of Time-Dependent Materials accepts contributions dealing with the time-dependent mechanical properties of solid polymers, metals, ceramics, concrete, wood, or their composites. It is recognized that certain materials can be in the melt state as function of temperature and/or pressure. Contributions concerned with fundamental issues relating to processing and melt-to-solid transition behaviour are welcome, as are contributions addressing time-dependent failure and fracture phenomena. Manuscripts addressing environmental issues will be considered if they relate to time-dependent mechanical properties. The journal promotes the transfer of knowledge between various disciplines that deal with the properties of time-dependent solid materials but approach these from different angles. Among these disciplines are: Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Rheology, Materials Science, Polymer Physics, Design, and others.