变形过程的电荷敏感技术研究

IF 0.2 Q4 INSTRUMENTS & INSTRUMENTATION Devices and Methods of Measurements Pub Date : 2022-12-22 DOI:10.21122/2220-9506-2022-13-4-291-301
K. Pantsialeyeu, U. A. Mikitsevich, A. Svistun, R. Vorobey, O. Gusev, A. Zharin
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引用次数: 1

摘要

表面电荷可以作为材料在机械应力作用下状态变化的信息参数。这项工作的目的是开发使用电荷敏感方法研究金属和聚合物材料变形过程的方法。对AMg2级铝合金、08PS级钢、12203-250级高压聚乙烯及其复合材料F4聚四氟乙烯样品进行了拉伸、压缩和冲击载荷作用下的变形过程实验研究。作为一种研究方法,分析了金属的表面电子功函数和聚合物和复合材料的表面静电势的相对值的变化。一种扫描改造的电荷敏感探头被用作测量仪器。对处于应力-应变状态的材料进行了实验研究,结果表明了该方法的有效性。该研究方法可以检测变形区域材料表面电位的局部变化,这是使用标准方法无法在宏观尺度上检测到的。所得结果可作为研究金属和介电材料力学性能的新方法和新技术的发展的基础。
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Charge-Sensitive Technique for Deformation Processes’ Study
Surface charge can be used as an information parameter about the change in the state of the material under the action of mechanical stresses. The aim of the work was to develop methods for studying deformation processes in metallic and polymeric materials using a charge-sensitive method.Experimental studies of deformation processes under tensile, compressive and impact loads were carried out on samples of various materials: aluminum alloy of AMg2 grade, steel of grade 08PS, high-pressure polyethylene of grade 12203-250 and samples of composite materials based on it, F4 polytetrafluoroethylene. As a research method, the analysis of changes in the relative values of the surface electron work function in the case of metals and the surface electrostatic potential in the case of polymers and composite materials is used. A scanning modification of a charge-sensitive probe is used as a measuring instrument.The results of experimental studies of materials in a stress-strain state demonstrate the high efficiency of the proposed method. The research methodology makes it possible to detect local changes in the surface potential of the material in the area of deformations, which are not detected on a macroscopic scale using standard methods. The results obtained can serve as a basis for the development of new methods and techniques for studying the mechanical properties of both metals and dielectric materials. 
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来源期刊
Devices and Methods of Measurements
Devices and Methods of Measurements INSTRUMENTS & INSTRUMENTATION-
自引率
25.00%
发文量
18
审稿时长
8 weeks
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