水浸探头对1Cr21Ni5Ti钢棒材底波监控的影响
Effect of Selecting Immersion Probes on Back-wall Echo Monitor of 1Cr21Ni5Ti Steel Bars
摘 要
分析了水浸探头对1Cr21Ni5Ti不锈钢棒材底波监控的影响因素, 采用了不同频率和不同聚焦类型的水浸探头, 设置了不同距离的水程, 利用LS200B型设备对被检棒材进行超声检测, 使用PROCESS图像评估软件对C扫描图像进行分析。结果表明, 1Cr21Ni5Ti棒材在圆周方向底波波幅是变化的;探头频率、聚焦类型和水程距离都会影响被检棒材的底波波幅水平。
底波监控
C扫描
Immersion probe
Back-wall echo monitor
C-scan
Abstract
In order to discuss the factors of immersion probes impact on the back-wall echo monitor of 1Cr21Ni5Ti stainless steel bars, different frequency or types of focus probes and different water paths settings were usd. Also, LS200B type equipment was employed for the ultrasonic test of the bars.Then, the PROCESS image evaluation software was utilized to analyze the C-scan images. The results show that the back-wall echo amplitude of 1Cr21Ni5Ti bars circumferential direction is varied. The probe frequency, focus type and water paths will affect the amplitude level of the back-wall echo.
中图分类号 TG115.28
所属栏目 实践经验
基金项目
收稿日期 2014/4/3
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备注罗经晶(1982-), 男, 工程师, 主要从事金属材料的无损检测工作。
引用该论文: LUO Jing-jing,WANG Yong-ling,JIANG Yi-min. Effect of Selecting Immersion Probes on Back-wall Echo Monitor of 1Cr21Ni5Ti Steel Bars[J]. Nondestructive Testing, 2014, 36(12): 82～86
罗经晶,王勇灵,姜毅敏. 水浸探头对1Cr21Ni5Ti钢棒材底波监控的影响[J]. 无损检测, 2014, 36(12): 82～86
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参考文献
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【2】中国特种设备检验协会编写. 超声检测[M]. 北京：中国劳动社会保障出版社, 2008.
【3】AMS-STD-2154A—(2012) Inspection, Ultrasonic, Wrought Metals, Process For [S].
【4】Mike K, Thadd P. Inspection Development for Titanium Billet-Engine Titanium Consortium PhaseⅡ[R]. [s.1] [s.n].2005.
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