| 管道环缝相控阵超声探伤技术的应用——国外超声检测动态 |
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| 引用本文： | 李衍. 管道环缝相控阵超声探伤技术的应用——国外超声检测动态[J]. 无损检测, 2002, 24(9): 386-390 |
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| 作者姓名： | 李衍 |
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| 作者单位： | 无锡华光锅炉公司,无锡,214028 |
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| 摘 要： | 介绍20世纪末国外相控阵超声探伤瓣技术在管道环焊缝检测上的成功应用。通过多压电元件相控阵探头纵向电子扫描和对管子的周向机械扫查，可对管道环焊缝作快速检验，为保证相控阵探头在主要性上等效于普通斜探头，用聚苯乙烯作楔块材料，用高分子聚合物作换能器材料，并用曲面声透镜改善探头在管子轴向和周向的声束特性。
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| 关 键 词： | 超声检验 相控阵探头 管道 焊缝 |
| 文章编号： | 1000-6656(2002)09-0386-05 |
| 修稿时间： | 2001-12-03 |
APPLICATION OF PHASED ARRAY TECHNOLOGY TO INSPECTION OF THE GIRTH WELDS IN PIPELINES: TREND OF ULTRASONIC TESTING ABROAD |
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| LI Yan. APPLICATION OF PHASED ARRAY TECHNOLOGY TO INSPECTION OF THE GIRTH WELDS IN PIPELINES: TREND OF ULTRASONIC TESTING ABROAD[J]. Nondestructive Testing, 2002, 24(9): 386-390 |
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| Authors: | LI Yan |
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| Abstract: | Overseas successful application of ultrasonic phased array technology to inspecting the circumferential welds in pipelines was described. By electrical scanning in axial direction of the pipe and mechanical scanning in circumferential direction, a girth weld could be inspected rapidly. It was shown that using polystyrene as wedge material, high polymer as transducer material and curved wedge as an acoustic lens was the key point of application effectiveness for phased array system. |
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| Keywords: | Ultrasonic testing Phased array probe Pipeline Weld |
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