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油气管道 AUT 检测技术应用现状及存在问题
Current conditions and existing problems in application of AUT in oil/
gas pipelines
oil/gas pipeline
; automated ultrasonic testing (AUT); qualification of operator; equipment modification; test specimen; technical standard全自动超声波检测 (Automated Ultrasonic Testing , AUT) 在国内油气管道上应用多年, 国内逐步开展了设备及部件的国产化工作, 并制订了相应的技术标准。通过对 AUT 检测技术在检测人员资质认证及培训、 设备与校准试块应用以及技术标准等方面的应用现状进行分析, 指出其在实际使用过程中面临诸多问题:在检测人员资质认证及培训方面存在培训教材缺失、 受训人员技术门槛偏低、 高校专业培训不到位等;在设备发展方面存在进口设备后续维修保养费用高, 国产 AUT 设备质量、 性能等参数还需现场应用检验的问题;在试块加工与验收方面, 存在不能对试块的实际加工精度做出最终的判定以及业主的批准认可的实际应用意义不大等。针对上述问题, 提出了相应的改进措施。
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