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使用EMAT非线性声学在钢结构中的定量余应力分析
Kaleeswaran Balasubramaniam1, Borja Nuevo Ortiz1, Álvaro Pallarés Bejarano1
1Innerspec Technologies, Calle Sanglas 13, 28890 Madrid, Spain.
Sensors (Basel, Switzerland)
|November 27, 2025
概括
使用电磁声学传感器 (EMAT) 的非线性超声波提供了在钢中详细的残余应力分析,优于传统的X射线衍射和强制力方法. 这种先进的技术提高了钢铁制造业的质量控制.
科学领域:
- 材料科学 材料科学 材料科学
- 非破坏性测试 不破坏性测试
- 固体力学 固体力学是什么
背景情况:
- 剩余应力对钢材的耐用性和结构完整性产生重大影响,需要进行准确的评估以防止缺陷.
- 像X射线衍射 (XRD) 和强制力测量等既有方法具有局限性,特别是在地下应力分析方面.
- 有效的残余应力分析对于确保在关键应用中钢材质量和性能至关重要.
研究的目的:
- 提出和评估一种新的方法,用于分析钢中的残余应力,使用基于电磁声学传感器 (EMAT) 的非线性超声波.
- 为了比较EMAT非线性超声波的有效性与传统技术,如X射线衍射 (XRD) 和强制力测量.
- 验证非线性超声波技术的工业适用性和准确性,用于钢铁制造业的残余应力监测.
主要方法:
- 利用基于电磁声学传感器 (EMAT) 的非线性超声波进行残余应力分析.
- 对已建立的技术进行比较分析:X射线衍射 (XRD) 和强制力测量.
- 在工业钢样品和生产现场实施和验证EMAT非线性技术.
主要成果:
- 非线性超声波为应力分布提供了更详细的见解,特别是在地下区域,超过了XRD的限制.
- 与强制力测量相比,EMAT非线性超声波对压力诱导的微观结构变化表现出更高的灵敏度.
- 在非线性超声波结果与XRD和强制力测量结果之间观察到正相关性,证实了准确性.
结论:
- 非线性超声波,特别是基于EMAT的方法,是一种强大,快速和补充的工具,用于全面监测钢件的残余应力.
- 该技术提供了增强的理论理解和实际的工业应用,正如其在STEELAR项目中成功实施所证明的那样.
- 这项研究证实非线性超声波是提高钢铁制造业质量控制和性能保证的可靠方法.
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