| 电磁超声传感器检测不同材质钢管的试验研究 |
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| 引用本文： | 刘卓然,朱红秀.电磁超声传感器检测不同材质钢管的试验研究[J].无损检测,2006,28(7):355-357. |
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| 作者姓名： | 刘卓然 朱红秀 |
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| 作者单位： | [1]天津钢管集团有限公司质量保证部,天津300301 [2]中国矿业大学（北京）,北京100083 |
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| 摘 要： | 通过试验确定了不同材质钢管的磁致伸缩曲线，得到了不同材质钢管缺陷检测的电磁超声传感器（EMAT）直流电磁铁的励磁电流与超声波幅值的关系，确定了最佳励磁电流，并得出其变化规律与磁致伸缩曲线变化趋势一致的结论。为电磁超声传感器设计和开发提供了依据。
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| 关 键 词： | 电磁超声传感器 钢管 磁致伸缩曲线 |
| 文章编号： | 1000-6656（2006）07-0355-03 |
| 收稿时间： | 2006-03-27 |
| 修稿时间： | 2006年3月27日 |
The experimental Study on the Electromagnetic Acoustic Transducer for Testing Different Material Steel Pipes |
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| LIU Zhuo-ran, ZHUHong-xiu, Beijing , China.The experimental Study on the Electromagnetic Acoustic Transducer for Testing Different Material Steel Pipes[J].Nondestructive Testing,2006,28(7):355-357. |
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| Authors: | LIU Zhuo-ran ZHUHong-xiu Beijing China |
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| Affiliation: | 1. Quality Guarantee Department, Tianjin Steel Tube Company, Tianjin 300301, China; 2. China University of Mining and Technology(Beijing |
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| Abstract: | The magnetostrictive curve of different material steel pipes was determined by experiments,the relation between the amplitude of the ultrasonic waves and the excitation current of the electro-magnetic field in electromagnetic acoustic transducer(EMAT) testing the defects in different material steel pipe was identified by experiments,the optical excitation current was determined,and the vary rule was resembled with vary trendent of pipe's magnetostrictive curve.The provided basis for EMAT product's design and explorement. |
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| Keywords: | Electromagnetic acoustic transducer Steel pipe Magnetostrictive curve |
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