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首页> 外文会议>ASME international pipeline conference 2008 >MAPPING STRESS CORROSION CRACKS USING EDDY CURRENT ARRAY SENSORS
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MAPPING STRESS CORROSION CRACKS USING EDDY CURRENT ARRAY SENSORS

机译：使用涡流阵列传感器测绘应力腐蚀裂纹

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Rapid and reliable in-the-ditch characterizing and assessment of SCC on natural gas and hazardous liquids pipelines, identified through Integrity Assessment methods or through integrity rehabilitation and maintenance work, continues to be a challenge.rnDetermining SCC severity and making reliable remaining pipe strength predictions requires as a minimum, crack length and crack depth be known. Detailed assessment of crack colonies also requires knowledge of the spacing and relationship of one crack to another.rnThis paper describes the results of a Joint Industry Project (JIP) that comprised of a comparative study of the performance of the Eddy Current Array Sensors relative to the current industry standard of Magnetic Particle Inspection (MPI) for the detection of Stress Corrosion Cracks (SCC) in pipeline steel. The purpose of this study was to qualify the eddy current sensor as an applicable alternative to current practices, given the increasing need for quantifiable results and for analytical capabilities to assess SCC indications.
机译：通过完整性评估方法或完整性修复和维护工作来确定天然气和有害液体管道上SCC的快速可靠的沟内特性和评估仍然是一项挑战.rn确定SCC严重程度并做出可靠的剩余管道强度预测至少需要知道裂缝的长度和裂缝的深度。对裂纹菌落的详细评估还需要了解一个裂纹与另一个裂纹的间距和关系。本文描述了联合工业项目（JIP）的结果，该项目包括对涡流阵列传感器相对于电涡流阵列传感器性能的比较研究。用于检测管线钢中应力腐蚀裂纹（SCC）的磁粉检查（MPI）的当前行业标准。鉴于对可量化结果和评估SCC适应症的分析能力的需求日益增长，本研究的目的是使涡流传感器有资格作为当前实践的替代方案。

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