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首页> 外文期刊>NDT & E international >Non-collinear wave mixing for non-linear ultrasonic detection of physical ageing in PVC
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Non-collinear wave mixing for non-linear ultrasonic detection of physical ageing in PVC

机译：非共线混波用于非线性超声检测PVC中的物理老化

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摘要

This work considers the characterization of linear PVC acoustic properties using a linear ultrasonic measurement technique and the non-collinear ultrasonic wave mixing technique for measurement of the physical ageing state in PVC. The immersion pulse-echo measurements were used to evaluate phase velocity dispersion and attenuation of longitudinal waves in PVC test specimens. The suggested non-collinear ultrasonic wave mixing technique measurement technique was verified on measurements of laboratory and field PVC test specimens. The measurement results confirm that the ultrasonic wave mixing technique is suitable to estimate the physical ageing state of PVC.
机译：这项工作考虑了使用线性超声测量技术和非共线超声混合技术测量PVC物理老化状态来表征线性PVC声学特性。浸没脉冲回波测量用于评估PVC试样中的相速度色散和纵向波的衰减。建议的非共线超声波混合技术测量技术在实验室和现场PVC试样的测量中得到了验证。测量结果证实，超声波混合技术适用于估计PVC的物理老化状态。

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  • 来源
    《NDT & E international》 |2012年第2012期|p.34-39|共6页
  • 作者

    A. Demcenko; R. Akkerman; P.B. Nagy; R. Loendersloot;

  • 作者单位

    Faculty of Engineering Technology, University of Twente, 7500AE Enschede, The Netherlands;

    Faculty of Engineering Technology, University of Twente, 7500AE Enschede, The Netherlands;

    School of Aerospace Systems, University of Cincinnati, Cincinnati, OH 45221-0070, USA;

    Faculty of Engineering Technology, University of Twente, 7500AE Enschede, The Netherlands;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PVC; physical ageing; non-linear ultrasonics;

    机译：PVC;身体老化;非线性超声波;

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