Calculation and Differentiation of First Minor Lobe Beam in Ultrasonic Field
摘 要
超声波声场中存在主声束和副瓣声束, 在特定情况下第一副瓣声束会引起超声波检测结果的误判。通过对第一副瓣声束相关参数的计算, 得出横波斜探头第一副瓣声束的位置, 并作了相应的试验验证。提出了对副瓣引起的干扰回波的鉴别方法。
Abstract
The first minor lobe beam could result in some wrong judgment under unusual condition. Through calculating the corresponding parameters of the first minor lobe beam, its location was obtained and further verified by related experiment. The differentiation method of the disturbing echo caused by minor lobe beam was proposed.
中图分类号 TG115.28
所属栏目 试验研究
基金项目
收稿日期 2009/12/13
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备注张军辉(1983-), 男, 硕士研究生, 主要从事锅炉及压力容器等无损检测方面工作。
引用该论文: ZHANG Jun-Hui,TAN Yun-Hua,CHEN Zhen-Yao. Calculation and Differentiation of First Minor Lobe Beam in Ultrasonic Field[J]. Nondestructive Testing, 2010, 32(12): 951~953
张军辉,谭云华,陈振尧. 超声波声场中第一副瓣声束的计算与鉴别[J]. 无损检测, 2010, 32(12): 951~953
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