| 焊缝超声波检测时DAC曲线的制作与应用 |
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| 引用本文： | 范雪峰,卢卫平,戴树亭,张道峰,刘常庆,曹书林.焊缝超声波检测时DAC曲线的制作与应用[J].无损检测,2012(5):65-66,83. |
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| 作者姓名： | 范雪峰 卢卫平 戴树亭 张道峰 刘常庆 曹书林 |
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| 作者单位： | 渤海石油装备华油钢管公司,青县062650 |
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| 摘 要： | 分析了传统焊缝超声波检测在灵敏度调节与缺陷定量上的不足,介绍了N5刻槽DAC曲线的两种制作方法,使不同声程处的缺陷都有自己的定量依据,简化了超声检测人员灵敏度调节和缺陷定量的步骤,减少了人员工作量。
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| 关 键 词： | 超声波检测 DAC曲线 缺陷定量 评定依据 |
The DAC Curve Drawing and Application of Weld Seam N5 Notch for Ultrasonic Testing |
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| FAN Xue-Feng,LU Wei-Ping,DAI Shu-Ting,ZHANG Dao-Feng,LIU Chang-Qing,CAO Shu-Lin.The DAC Curve Drawing and Application of Weld Seam N5 Notch for Ultrasonic Testing[J].Nondestructive Testing,2012(5):65-66,83. |
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| Authors: | FAN Xue-Feng LU Wei-Ping DAI Shu-Ting ZHANG Dao-Feng LIU Chang-Qing CAO Shu-Lin |
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| Affiliation: | (Huayou Steel Pipe Co Ltd of Bohai Petroleum Equipment Corporation,Qingxian 062050,China) |
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| Abstract: | The insufficiency of traditional ultrasonic detection sensitivity adjustment and defect quantifying for weld seam were analyzed,and two making methods of DAC curve for notches and holes were described.It provided quantitative basis for defects with different acoustic soundpath,to simplify procedure of sensitivity adjustment and defect quantifying,and reduce the work of UT inspector. |
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| Keywords: | Ultrasonic testing DAC curves Defect quantitative Quantitative basis |
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