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Improvement of ultrasonic inspection devices for high speed heavy rail
Pages: 48-50+54
Year: Issue:  6
Journal: Research on Iron and Steel

Keyword:  high speed heavy railultrasonic inspection stationprobe;
Abstract: To solve the problem of low detecting efficiency,high misjudgment ratio in SONOTRONTM ultrasonic inspection station,new probe materials and square probe were developed and home-made successfully.In addition,the method of online follow-up detecting was initiated.Results show that by using the domestic probe,failure time of ultrasonic inspection devices reduced by 83.3%,probe service life extended by 6.5times,probe price lowered by half,online replacement and adjustment time was shortened by 2/3,detecting recurrence rate of heavy rail defects was no less than 99.55%,and the detecting landing gear can be applied to various specifications of heavy rail.
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