测量头的校准方法用于测试金属板中的残余应力,使用巴克豪森方法
Tomasz Garstka1, Piotr Szota1, Sebastian Mróz1
1Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, 42-201 Częstochowa, Poland.
Materials (Basel, Switzerland)
|September 28, 2024
概括
本研究提出了一种用于巴克豪森噪声测量的新校准方法,以准确量化结构钢的残余应力. 该技术可确保对铁磁材料进行可靠和可重复的应力评估.
科学领域:
- 材料科学 材料科学 材料科学
- 非破坏性测试是指非破坏性测试.
- 机械工程 机械工程
背景情况:
- 剩余应力在加工过程中显著影响金属产品的性能,例如激光切割和曲.
- 巴克豪森噪声方法是一种有前途的非破坏性技术,用于评估铁磁材料的残余应力.
- 准确量化和定向评估残余应力对于材料完整性至关重要.
研究的目的:
- 开发和介绍一种实验方法来校准用于巴克豪森噪声分析的测量传感器,以确定残余应力.
- 为了将数值建模与实验性的巴克豪森噪声测量进行相关,以精确量化残余应力.
- 为了验证开发的校准方法对结构钢的适用性.
主要方法:
- 在结构钢样本上进行了实验性曲测试.
- 使用数值建模来模拟曲测试和弹性应力状态.
- 在曲测试期间记录了巴克豪森噪音波形,以捕捉磁场变化.
- 开发并应用了一种新的传感器校准方法,将数值和实验数据关联起来.
主要成果:
- 开发的校准方法成功地将巴克豪森噪声测量与弹性应力状态相关联.
- 通过将数值和实验结果关联起来,精确地确定了钢板残余应力的定量值.
- 该研究表明,拟议的残余应力测量技术的高精度和可重复性.
结论:
- 本文所介绍的巴克豪森噪声传感器校准方法,可以准确且可重复地测量铁磁材料中的残余应力.
- 这种技术对于评估残余应力的状态非常有价值,有助于进一步的金属加工和质量控制.
- 数字建模与实验巴克豪森噪声数据之间的相关性为残余应力量化提供了强大的方法.
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