小径薄壁管座角焊缝典型缺陷的超声相控阵CIVA仿真研究

doi:10.3969/j.issn.1004-132X.2022.09.007

中国机械工程 ›› 2022, Vol. 33 ›› Issue (09): 1065-1072.DOI: 10.3969/j.issn.1004-132X.2022.09.007

小径薄壁管座角焊缝典型缺陷的超声相控阵CIVA仿真研究

何慈武^1,2, 杨萌萌², 龙晋桓², 韩军², 陈志荣³

1. 厦门理工学院电气工程与自动化学院, 厦门, 361000;
2. 中国科学院福建物质结构研究所泉州装备制造研究中心, 泉州, 362000;
3. 华电电力科学研究院有限公司, 杭州, 310030

收稿日期:2021-07-20 出版日期:2022-05-10 发布日期:2022-05-17
通讯作者: 韩军(通信作者),男,1983年生,研究员。研究方向为无损检测及评价方法与装置。E-mail:junhan@fjirsm.ac.cn。
作者简介:何慈武,男,1996年生,硕士研究生。研究方向为智能检测与控制。E-mail:504885826@qq.com。
基金资助:
中国科学院对外重点合作项目(121835KYSB20180062);中国科学院区域重点项目(KFJ-STS-QYZX-110);福建省科技计划(2019T3025);泉州市科技计划(2019STS07);莆田市科技计划(2020HJSTS004)

Ultrasonic Phased Array CIVA Simulation of Typical Defects in Fillet Welds of Small-diameter Thin-walled Tube Bases

HE Ciwu^1,2, YANG Mengmeng², LONG Jinhuan², HAN Jun², CHEN Zhirong³

1. School of Electrical Engineering and Automation, Xiamen University of Technology, Xiamen, Fujian, 361000;
2. Quanzhou Institute of Equipment Manufacturing, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Quanzhou, Fujian, 362000;
3. Huadian Electric Power Research Institute Co., Ltd., Hangzhou, 310030

Received:2021-07-20 Online:2022-05-10 Published:2022-05-17

摘要/Abstract

摘要： 在电厂安放式小径薄壁管座角焊缝超声检测技术中，检测结果易受到管径小、检测位置结构复杂等因素影响，因此，采用CIVA软件对焊缝模型进行超声相控阵声场仿真，得到未熔合、未焊透、裂纹和夹渣4种典型缺陷在不同检测位置曲率下的缺陷响应。对比分析仿真缺陷图谱，研究检测位置曲率对缺陷成像和声压幅值的影响，结合优化后的仿真参数和检测方法形成了检测工艺。实验结果表明，提出的检测工艺可有效检出不同检测位置曲率下的焊缝缺陷。

关键词: 小径薄壁管, 焊缝缺陷, 超声相控阵, CIVA仿真

Abstract: In the ultrasonic testing measures of small-diameter thin-walled tube base fillet welds in power plant, the detection results were easy to be affected by the features of testing part with small diameter and complex structure of detection position. Therefore, simulation of the ultrasonic phased array acoustic field of the weld model was proposed using CIVA software. Defect responses of four typical defects including incomplete fusion, incomplete penetration, crack and inclusion were obtained at different detecting position curvatures. Then, the simulated defect maps were compared and analyzed to study the influences of detecting postion curvatures on the defect imaging and the sound pressure amplitude. Finally, the detection technology was developed by combining optimized simulation parameters and detection methods. Experimental results show that the detection technology herein may effectively detect weld defects at various detection position curvatures.

Key words: small-diameter thin-wall tube, weld defect, ultrasonic phased array, CIVA simulation

中图分类号:

何慈武, 杨萌萌, 龙晋桓, 韩军, 陈志荣. 小径薄壁管座角焊缝典型缺陷的超声相控阵CIVA仿真研究[J]. 中国机械工程, 2022, 33(09): 1065-1072.

HE Ciwu, YANG Mengmeng, LONG Jinhuan, HAN Jun, CHEN Zhirong. Ultrasonic Phased Array CIVA Simulation of Typical Defects in Fillet Welds of Small-diameter Thin-walled Tube Bases[J]. China Mechanical Engineering, 2022, 33(09): 1065-1072.

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小径薄壁管座角焊缝典型缺陷的超声相控阵CIVA仿真研究

Ultrasonic Phased Array CIVA Simulation of Typical Defects in Fillet Welds of Small-diameter Thin-walled Tube Bases

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