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激光超声波用于复合材料和结构的非破坏性测试:一篇综述

Alireza Zarei¹, Srikanth Pilla²

¹Department of Automotive Engineering, Clemson University, Greenville, SC 29607, United States.

|September 25, 2023

概括

激光超声波测试 (LUT) 提供了一种非接触式方法来检查复合材料. 尽管存在诸如低信号噪声比等挑战,但其多功能性显示出对工业应用的希望.

科学领域:

材料科学材料科学材料科学
非破坏性测试是一种非破坏性测试.
光学工程是指光学工程.

背景情况:

激光超声波测试 (LUT) 是一种非接触式,非破坏性技术,使用激光产生和检测超声波.
复合材料由于异构性和复杂的损伤模式,存在独特的检查挑战.
现有的检查方法在恶劣的工业环境中可能受到限制.

研究的目的:

提供激光超声波测试 (LUT) 原则和复合材料应用的全面概述.
评估LUT用于复合材料检查的优点,缺点和局限性.
确定在工业环境中推进LUT的潜力,挑战和研究缺口.

主要方法:

详细解释LUT的工作原理,包括波浪生成和检测机制.
评估LUT的性能特征,如准确性,多功能性和速度.
审查LUT的当前和潜在应用,特别是复合材料.

主要成果:

LUT 能够在没有身体接触的情况下进行准确,多功能,方便和快速的材料检查.
挑战包括低信号噪声比 (SNR) 和特定材料的复杂性 (例如,低除值,复合材料的高衰减).
尽管面临挑战,但LUT的非接触式实时功能对智能行业和恶劣环境具有前景.

结论:

激光超声波测试 (LUT) 对复合材料的先进检查具有重大潜力.
解决SNR和材料复杂性等挑战对于广泛采用至关重要.
LUT非常适合未来在苛刻的工业环境和智能制造中实施.

关键词:

复合材料复合材料是一种复合材料.损坏检测检测损坏检测损坏检测激光超声波的使用方法材料的特征描述非破坏性测试是一种非破坏性测试.树脂固化监测和监测树脂固化过程

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