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Scanning the Welded Seams of Titanium Alloys by Using Subminiature Eddy Current Transducers

机译：使用超小型涡流传感器扫描钛合金的焊缝

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摘要

The eddy current transformer(EST) of the transformer type is used to construct a sensor for investigating titanium sheets joined by a welded joint. The article provides the key technical information about the eddy current transformer used and describes the methodology of measurements that makes it possible to control defects in the welding seams of titanium alloys. It is capable of automatically changing the filtering cutoff frequency and operating frequency of the device. The designed measuring system eliminates the main drawback of eddy current transformers (the small area of the electromagnetic field), simultaneously significantly reducing the noise level due to the use of high-quality amplifiers and filters, and searches for defects in and alloys of different metals. A measurement procedure that allows one to perform high-accuracy monitoring of flaws in different alloys is described. Experiments were conducted on welded BT1-0 titanium plates. The article contains the results of these measurements. The dependence data facilitates the assessment of the quality of welding seams and helps make an educated conclusion about welding quality.
机译：变压器类型的涡电流互感器（EST）用于构造传感器，以研究通过焊接接头连接的钛板。本文提供了有关所用涡流互感器的关键技术信息，并介绍了测量方法，可以控制钛合金焊缝中的缺陷。它能够自动更改设备的滤波截止频率和工作频率。设计的测量系统消除了涡流互感器的主要缺点（电磁场的面积很小），同时由于使用了高质量的放大器和滤波器而大大降低了噪声水平，并搜索了不同金属的缺陷和合金。描述了一种允许对不同合金中的缺陷执行高精度监视的测量程序。实验是在焊接的BT1-0钛板上进行的。本文包含这些测量的结果。依存关系数据有助于评估焊缝质量，并有助于就焊接质量做出有根据的结论。

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  • 来源
    《Materials science forum》 |2017年第2017期|147-152|共6页
  • 作者

    S. Dmitriev; A. Ishkov; V. Malikov; A. Sagalakov;

  • 作者单位

    Altai State University, Lenina Avenue, 61,656049,Barnaul, Altai Region;

    Altay State Agrarian University, Krasnoarmeyskiy Ave., 98, 656049, Barnaul, Altai Region;

    Altai State University, Lenina Avenue, 61,656049,Barnaul, Altai Region;

    Altai State University, Lenina Avenue, 61,656049,Barnaul, Altai Region;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    welding; titanium alloys;

    机译：焊接;钛合金;

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