基于视觉的铁路轮钢双盘滚动接触疲劳评价方法

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS
I. Bodini, C. Petrogalli, A. Mazzù, S. Pasinetti, T. Kato, T. Makino
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引用次数: 4

摘要

摘要开发了一种基于视觉的实验方法,用于监测双圆盘滚动接触试验中试样的表面状态演变,旨在为识别损伤现象提供信息。该系统基于一台高速摄像机和三个用于照射样本表面的激光指示器。采集和处理样本表面的图像,从而可以定义合成表面状态指数以及表面的截面轮廓。该视觉系统被应用于铁路车轮钢试样的干湿交替滚动-滑动接触试验,突出了其在损伤评估中的有效性。显示了截面轮廓重建作为表面拓扑分析工具的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A vision-based approach for rolling contact fatigue evaluation in twin-disc tests on a railway wheel steel
ABSTRACT A vision-based experimental methodology was developed for monitoring the surface state evolution of specimens during twin-disc rolling contact tests, aimed at providing information for identifying the damage phenomena. The system is based on a high-speed camera and three laser pointers for illuminating the specimen surface. Images of the specimen surface are acquired and processed, allowing the definition of synthetic surface state indexes, as well as the section profiles of the surface. The vision system was applied to alternated dry–wet rolling–sliding contact tests on railway wheel steel specimens, highlighting its effectiveness in the damage evaluation. The potential of the section profile reconstruction as a tool for surface topology analysis was shown.
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来源期刊
Tribology - Materials, Surfaces & Interfaces
Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-
CiteScore
2.80
自引率
0.00%
发文量
15
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