NDI Techniques Supporting Steel Pipe Products

IIZUKA Yukinori; NAGAMUNE Akio; MASAMURA Katsumi

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NDI Techniques Supporting Steel Pipe Products

机译：支持钢管产品的NDI技术

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This paper describes JFE original ultrasonic testing (UT) technologies in Non-destructive inspection (NDI) systems that assure quality of JFE Steel pipe products. To enhance signal-to-noise ratio of UT, the high-speed digital signal processing techniques of synchronous averaging and chirp pulse compression have been developed and installed in ultrasonic flaw detectors of welding pipe. In order to improve detectability of flaws located at middle of wall thickness of weld, the normal incident beam technique for UOE pipe and the multi-probe technique for ERW pipe have been developed respectively. The analysis technique of ultrasonic field and that of ultrasonic wave propagation are applied as basic technology for the developments.

机译：本文介绍了可确保JFE钢管产品质量的无损检测（NDI）系统中的JFE原始超声测试（UT）技术。为了提高UT的信噪比，已经开发了同步平均和线性调频脉冲压缩的高速数字信号处理技术，并将其安装在焊管的超声波探伤仪中。为了提高位于焊缝壁厚中间的缺陷的可检测性，分别开发了UOE管的法向入射光束技术和ERW管的多探针技术。超声波场的分析技术和超声波传播的分析技术被用作发展的基础技术。

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来源
《JFE technical report》 |2006年第7期|p.44-49|共6页
作者
IIZUKA Yukinori; NAGAMUNE Akio; MASAMURA Katsumi;
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Instrument and Control Engineering Dept.;

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原文格式 PDF
正文语种 eng
中图分类工业技术;钢铁冶炼（黑色金属冶炼）（总论）;
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NDI Techniques Supporting Steel Pipe Products

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