基于巴克豪森噪声事件数分析的铁磁钢硬度评估

Evaluation of Ferromagnetic Steel Hardness Based on an Analysis of the Barkhausen Noise Number of Events.

作者信息

Roskosz Maciej, Fryczowski Krzysztof, Schabowicz Krzysztof

机构信息

Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, aleja Mickiewicza 30, 30-059 Kraków, Poland.

Faculty of Energy and Environmental Engineering, Silesian University of Technology, ul. Akademicka 2A, 44-100 Gliwice, Poland.

出版信息

Materials (Basel). 2020 Apr 29;13(9):2059. doi: 10.3390/ma13092059.

DOI:10.3390/ma13092059

PMID:32365574

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7254334/

Abstract

Measurements are carried out of the Barkhausen noise (BN) and hardness on specimens where changes in hardness were obtained due to strain hardening (S235 and DC01 steels) and due to thermochemical treatment (AMS 6414 steel). A method is presented of processing the recorded BN signal to extract diagnostic information. The BN number of events is selected as the signal characteristic property to develop relevant correlations. A new methodology is presented for the development of correlations between the Barkhausen noise number of events and hardness. A possibility is indicated of developing correlations with a high R2 determination coefficient. The method limitations are specified.

摘要

对因应变硬化（S235和DC01钢）以及热化学处理（AMS 6414钢）而导致硬度发生变化的试样进行了巴克豪森噪声（BN）和硬度测量。提出了一种处理记录的BN信号以提取诊断信息的方法。选择事件的BN数作为信号特征属性以建立相关关系。提出了一种用于建立事件的巴克豪森噪声数与硬度之间相关性的新方法。指出了建立具有高R2决定系数的相关性的可能性。明确了该方法的局限性。