不锈钢管材中弯曲模态导波试验
The Experiment on Flexural Guided Waves in Stainless Steel Pipes
摘 要
使用单探头激励法在管壁中激励弯曲模态的导波, 以频散曲线为切入点, 研究了弯曲模态导波在不锈钢管材中的传播规律以及对缺陷检测的可行性。根据频散曲线选定F(n, 3)及L(0, 2) 模态, 进而确定激励频率和入射角。得到弯曲模态导波可对> 1 mm(含 1 mm)的通孔进行有效检测的结论。
导波
弯曲模态
频散曲线
Stainless steel pipes
Guided waves
Flexural modes
Dispersion curves
Abstract
The flexural guided waves in pipe wall were excited by the single transducer excitation method. According to the dispersion curves, the propagation of flexural guided waves in stainless steel pipes and the feasibility of defect inspection were studied. F(n, 3)and L(0, 2) modes were chosen, then the exciting frequency and the incidence angle were determined. Under this experimental condition in the present work, it was concluded that via hole with the diameter larger than 1 mm(including 1 mm) could be effectively detected.
中图分类号 TG115.28
所属栏目 科研成果与学术交流
基金项目
收稿日期 2009/3/15
修改稿日期
网络出版日期
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备注顾 军(1983-), 男, 硕士研究生, 主要从事管中导波研究。
引用该论文: GU Jun,LIN Li,HOU Yun-Xia,LI Xi-Meng. The Experiment on Flexural Guided Waves in Stainless Steel Pipes[J]. Nondestructive Testing, 2010, 32(2): 103～106
顾 军,林 莉,侯云霞,李喜孟. 不锈钢管材中弯曲模态导波试验[J]. 无损检测, 2010, 32(2): 103～106
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参考文献
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【2】Lowe M J S, Alleyne D N, Cawley P. The mode conversion of a guided wave by a part-circumferential notch in a pipe[J]. Journal of Applied Mechanics, 1998, 65(9): 649-656.
【3】Hyeon Jae Shin, Joseph L Rose. Guided waves by axisymmetric and non-axisymmetric surface loading on hollow cylinders[J]. Ultrasonics, 1999(37): 355-363.
【4】他得安, 王威琪, 汪源源, 等.管道导波检测中激发频率的选择及灵敏度分析[J].无损检测, 2005, 27(2): 83-86.
【5】王秀彦, 王智, 焦敬品, 等.超声导波在管中传播的理论分析与试验研究[J].机械工程学报, 2004, 40(1): 11-16.
【6】他得安, 刘镇清, 田春光.超声导波在管材中的传播特性[J].声学技术, 2001, 20(3): 131-134.
【7】罗斯J L, 著.何存富, 吴斌, 王秀彦, 译.固体中的超声波[M].北京: 科学出版社, 2005.
【8】Haines N F, Bell J C, Mclntyre P J. The application of broadband ultrasonic spectroscopy to the study of layered media[J]. The Journal of the Acoustical Society of America, 1978, 64(6): 1645-1651.
【2】Lowe M J S, Alleyne D N, Cawley P. The mode conversion of a guided wave by a part-circumferential notch in a pipe[J]. Journal of Applied Mechanics, 1998, 65(9): 649-656.
【3】Hyeon Jae Shin, Joseph L Rose. Guided waves by axisymmetric and non-axisymmetric surface loading on hollow cylinders[J]. Ultrasonics, 1999(37): 355-363.
【4】他得安, 王威琪, 汪源源, 等.管道导波检测中激发频率的选择及灵敏度分析[J].无损检测, 2005, 27(2): 83-86.
【5】王秀彦, 王智, 焦敬品, 等.超声导波在管中传播的理论分析与试验研究[J].机械工程学报, 2004, 40(1): 11-16.
【6】他得安, 刘镇清, 田春光.超声导波在管材中的传播特性[J].声学技术, 2001, 20(3): 131-134.
【7】罗斯J L, 著.何存富, 吴斌, 王秀彦, 译.固体中的超声波[M].北京: 科学出版社, 2005.
【8】Haines N F, Bell J C, Mclntyre P J. The application of broadband ultrasonic spectroscopy to the study of layered media[J]. The Journal of the Acoustical Society of America, 1978, 64(6): 1645-1651.
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