| 超声相控阵角度偏转极限测试方法探讨 |
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| 引用本文： | 强天鹏,孙忠波,肖雄,郑凯,刘晓睿. 超声相控阵角度偏转极限测试方法探讨[J]. 无损检测, 2012, 0(6): 21-24,61 |
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| 作者姓名： | 强天鹏 孙忠波 肖雄 郑凯 刘晓睿 |
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| 作者单位： | [1]江苏省特种设备安全监督检验研究院,南京210003 [2]天津诚信达金属检测有限公司,天津300384 [3]江苏中特创业设备检测有限公司,南京210014 [4]南昌航空大学无损检测技术教育部重点试验室,南昌330063 |
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| 基金项目： | 质检公益性行业科研专项（200910268） |
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| 摘 要： | 理论分析了ASTM E2491中对超声相控阵声束偏转极限角度的测试方法的实质,提出了相控阵声束偏转极限角度的声压下降的测试方法,并通过试验验证了所提方法的可行性,与理论吻合较好。
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| 关 键 词： | 相控阵 偏转极限角度 声压下降法 ASTM E2491 |
Discussion on Method of Determination of Phased-Array Beam Steering Limits |
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| QIANG Tian-Peng,SUN Zhong-Bo,XIAO Xiong,ZHENG Kai,LIU Xiao-Rui. Discussion on Method of Determination of Phased-Array Beam Steering Limits[J]. Nondestructive Testing, 2012, 0(6): 21-24,61 |
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| Authors: | QIANG Tian-Peng SUN Zhong-Bo XIAO Xiong ZHENG Kai LIU Xiao-Rui |
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| Affiliation: | 1. Special Equipment Safety Supervision Inspection Insitute of Jiangsu Province, Nanjing 210003, China; 2. Tianjin Chengxinda Metal-Testing Technology Co Ltd, Tianjin 300384, China; 3. Jiangsu Zhongtechuangye Equipment Inspection Co Ltd, Nanjing 210014, China; 4. Key Laboratory of NDT, Ministry of Education, Nanchang Hangkong University, Nanchang 330063, China) |
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| Abstract: | By theoretical analysis, the essence of determination of phased array beam steering limits in ASTM E2491 was discussed. A dB drop method was therefore proposed and the new method was feasible and corresponding with the theory better as shown by a series of experiments. |
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| Keywords: | phased array Beam steering limits Sound pressure drop method |
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